/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:19:50,664 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 19:19:50,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:19:50,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:19:50,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:19:50,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:19:50,790 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:19:50,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:19:50,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:19:50,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:19:50,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:19:50,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:19:50,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:19:50,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:19:50,792 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:19:50,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:19:50,793 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:19:50,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:19:50,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:19:50,795 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:19:50,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:19:50,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:19:50,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:19:50,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:19:50,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:19:50,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:19:50,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:19:50,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:19:50,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:19:50,798 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:19:50,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:19:51,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:19:51,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:19:51,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:19:51,051 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:19:51,052 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:19:51,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-05-04 19:19:51,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feeed6073/85754b550eda48dcb145329c1e344fcf/FLAG434aab3b6 [2023-05-04 19:19:51,690 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:19:51,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2023-05-04 19:19:51,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feeed6073/85754b550eda48dcb145329c1e344fcf/FLAG434aab3b6 [2023-05-04 19:19:51,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feeed6073/85754b550eda48dcb145329c1e344fcf [2023-05-04 19:19:51,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:19:51,865 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:19:51,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:19:51,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:19:51,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:19:51,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:19:51" (1/1) ... [2023-05-04 19:19:51,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411e6ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:51, skipping insertion in model container [2023-05-04 19:19:51,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:19:51" (1/1) ... [2023-05-04 19:19:51,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:19:51,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:19:52,358 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/queue_ok_longest.i[43280,43293] [2023-05-04 19:19:52,372 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/queue_ok_longest.i[43553,43566] [2023-05-04 19:19:52,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:19:52,397 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:19:52,433 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/queue_ok_longest.i[43280,43293] [2023-05-04 19:19:52,435 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/queue_ok_longest.i[43553,43566] [2023-05-04 19:19:52,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:19:52,490 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:19:52,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52 WrapperNode [2023-05-04 19:19:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:19:52,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:19:52,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:19:52,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:19:52,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,559 INFO L138 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 204 [2023-05-04 19:19:52,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:19:52,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:19:52,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:19:52,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:19:52,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:19:52,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:19:52,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:19:52,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:19:52,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (1/1) ... [2023-05-04 19:19:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:19:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:52,666 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) [2023-05-04 19:19:52,671 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 [2023-05-04 19:19:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 19:19:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 19:19:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 19:19:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:19:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:19:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:19:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:19:52,700 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 19:19:52,863 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:19:52,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:19:53,181 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:19:53,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:19:53,190 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 19:19:53,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:19:53 BoogieIcfgContainer [2023-05-04 19:19:53,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:19:53,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:19:53,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:19:53,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:19:53,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:19:51" (1/3) ... [2023-05-04 19:19:53,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553c2428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:19:53, skipping insertion in model container [2023-05-04 19:19:53,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:19:52" (2/3) ... [2023-05-04 19:19:53,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553c2428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:19:53, skipping insertion in model container [2023-05-04 19:19:53,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:19:53" (3/3) ... [2023-05-04 19:19:53,200 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2023-05-04 19:19:53,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:19:53,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:19:53,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 19:19:53,215 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:19:53,314 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 19:19:53,425 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:53,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:19:53,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:53,428 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) [2023-05-04 19:19:53,438 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 [2023-05-04 19:19:53,468 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:19:53,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:19:53,497 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;@a918138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:53,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 19:19:53,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:19:53,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash 402386676, now seen corresponding path program 1 times [2023-05-04 19:19:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:53,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335970554] [2023-05-04 19:19:53,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:53,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:53,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:53,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335970554] [2023-05-04 19:19:53,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335970554] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:19:53,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:19:53,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 19:19:53,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297593937] [2023-05-04 19:19:53,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:19:53,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 19:19:53,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 19:19:53,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 19:19:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:53,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:53,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:19:53,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:54,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 19:19:54,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 19:19:54,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 19:19:54,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:19:54,237 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-04 19:19:54,241 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2023-05-04 19:19:54,248 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:54,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:19:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:54,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 19:19:54,295 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:19:54,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2023-05-04 19:19:54,299 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;@a918138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:19:54,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 19:19:54,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-05-04 19:19:54,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:54,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:54,400 INFO L85 PathProgramCache]: Analyzing trace with hash -437689534, now seen corresponding path program 1 times [2023-05-04 19:19:54,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:54,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751041323] [2023-05-04 19:19:54,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:54,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:54,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:54,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751041323] [2023-05-04 19:19:54,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751041323] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:19:54,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:19:54,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 19:19:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569777732] [2023-05-04 19:19:54,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:19:54,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 19:19:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:54,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 19:19:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 19:19:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:54,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:54,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 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) [2023-05-04 19:19:54,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:54,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 19:19:54,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:54,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:54,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2072780808, now seen corresponding path program 1 times [2023-05-04 19:19:54,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:54,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219464008] [2023-05-04 19:19:54,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:54,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:55,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:55,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219464008] [2023-05-04 19:19:55,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219464008] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:19:55,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:19:55,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 19:19:55,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714896232] [2023-05-04 19:19:55,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:19:55,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 19:19:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:55,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 19:19:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-05-04 19:19:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:55,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:55,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 12 states have internal predecessors, (139), 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) [2023-05-04 19:19:55,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:55,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:55,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:55,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 19:19:55,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:55,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:55,991 INFO L85 PathProgramCache]: Analyzing trace with hash 958426774, now seen corresponding path program 1 times [2023-05-04 19:19:55,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:55,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221684859] [2023-05-04 19:19:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:55,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:56,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:56,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221684859] [2023-05-04 19:19:56,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221684859] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:19:56,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:19:56,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 19:19:56,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530131667] [2023-05-04 19:19:56,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:19:56,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 19:19:56,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:56,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 19:19:56,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 19:19:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:56,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 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) [2023-05-04 19:19:56,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:56,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:56,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 19:19:56,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:56,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:56,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1318358379, now seen corresponding path program 1 times [2023-05-04 19:19:56,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:56,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218700219] [2023-05-04 19:19:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:56,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:56,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218700219] [2023-05-04 19:19:56,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218700219] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:19:56,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:19:56,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 19:19:56,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702158178] [2023-05-04 19:19:56,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:19:56,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 19:19:56,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:56,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 19:19:56,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 19:19:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:56,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2023-05-04 19:19:56,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:56,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:56,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:56,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 19:19:56,539 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash 954573940, now seen corresponding path program 1 times [2023-05-04 19:19:56,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:56,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102748487] [2023-05-04 19:19:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:56,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:56,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:56,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102748487] [2023-05-04 19:19:56,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102748487] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:19:56,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765812963] [2023-05-04 19:19:56,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:56,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:19:56,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:56,701 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) [2023-05-04 19:19:56,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 19:19:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:56,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 19:19:56,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:19:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:56,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:19:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:57,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765812963] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:19:57,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:19:57,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 19:19:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008943924] [2023-05-04 19:19:57,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:19:57,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 19:19:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 19:19:57,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 19:19:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:57,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:57,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.5) internal successors, (255), 10 states have internal predecessors, (255), 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) [2023-05-04 19:19:57,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:57,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:57,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:57,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:57,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:19:57,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 19:19:57,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:19:57,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash 666795028, now seen corresponding path program 2 times [2023-05-04 19:19:57,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:57,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097807807] [2023-05-04 19:19:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:57,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:57,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097807807] [2023-05-04 19:19:57,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097807807] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:19:57,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011342593] [2023-05-04 19:19:57,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 19:19:57,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:19:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:57,741 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) [2023-05-04 19:19:57,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 19:19:57,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 19:19:57,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:19:57,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 19:19:57,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:19:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:58,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:19:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:58,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011342593] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:19:58,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:19:58,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-05-04 19:19:58,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541352294] [2023-05-04 19:19:58,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:19:58,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-04 19:19:58,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:19:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-04 19:19:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-05-04 19:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:58,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:19:58,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 21.944444444444443) internal successors, (395), 18 states have internal predecessors, (395), 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) [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:19:58,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:19:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:19:58,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 19:19:58,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:19:58,720 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:19:58,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:19:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash 344621908, now seen corresponding path program 3 times [2023-05-04 19:19:58,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:19:58,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892777157] [2023-05-04 19:19:58,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:19:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:19:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:19:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:19:59,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:19:59,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892777157] [2023-05-04 19:19:59,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892777157] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:19:59,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586474522] [2023-05-04 19:19:59,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 19:19:59,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:19:59,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:19:59,389 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) [2023-05-04 19:19:59,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 19:20:17,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 19:20:17,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:20:17,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 19:20:17,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:20:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:18,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:20:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:18,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586474522] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:20:18,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:20:18,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-05-04 19:20:18,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936548284] [2023-05-04 19:20:18,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:20:18,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 19:20:18,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:20:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 19:20:18,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 19:20:18,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:18,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:20:18,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 19.852941176470587) internal successors, (675), 34 states have internal predecessors, (675), 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) [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:20:18,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:20:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:20:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:20:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 19:20:19,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 19:20:19,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:20:19,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:20:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:20:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash 723775956, now seen corresponding path program 4 times [2023-05-04 19:20:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:20:19,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414748959] [2023-05-04 19:20:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:20:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:20:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:20:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 0 proven. 3690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:21,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:20:21,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414748959] [2023-05-04 19:20:21,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414748959] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:20:21,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407193866] [2023-05-04 19:20:21,626 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 19:20:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:20:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:20:21,629 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) [2023-05-04 19:20:21,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 19:20:24,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 19:20:24,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:20:24,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-04 19:20:24,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:20:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 0 proven. 3690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:25,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:20:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 0 proven. 3690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:26,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407193866] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:20:26,741 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:20:26,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2023-05-04 19:20:26,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863704793] [2023-05-04 19:20:26,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:20:26,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-04 19:20:26,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:20:26,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-04 19:20:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2023-05-04 19:20:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:26,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:20:26,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 18.71212121212121) internal successors, (1235), 66 states have internal predecessors, (1235), 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) [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 19:20:26,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:20:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:20:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:20:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:20:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:20:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 19:20:28,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-05-04 19:20:28,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 19:20:28,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:20:28,861 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:20:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:20:28,861 INFO L85 PathProgramCache]: Analyzing trace with hash -182694188, now seen corresponding path program 5 times [2023-05-04 19:20:28,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:20:28,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455228420] [2023-05-04 19:20:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:20:28,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:20:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:20:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16306 backedges. 0 proven. 16306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:20:34,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:20:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455228420] [2023-05-04 19:20:34,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455228420] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:20:34,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668192970] [2023-05-04 19:20:34,958 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 19:20:34,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:20:34,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:20:34,961 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) [2023-05-04 19:20:34,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Received shutdown request... [2023-05-04 19:34:23,429 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:34:23,430 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:34:23,430 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:34:23,430 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:34:24,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-05-04 19:34:24,507 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 [2023-05-04 19:34:24,507 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 [2023-05-04 19:34:24,632 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2023-05-04 19:34:24,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2023-05-04 19:34:24,664 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 19:34:24,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:34:24,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2023-05-04 19:34:24,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377217497] [2023-05-04 19:34:24,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-04 19:34:24,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 19:34:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:24,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 19:34:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 19:34:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:24,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:24,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 18.907692307692308) internal successors, (1229), 65 states have internal predecessors, (1229), 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) [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-05-04 19:34:24,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:24,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 19:34:24,670 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-04 19:34:24,670 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 19:34:24,672 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2023-05-04 19:34:24,672 INFO L307 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (2/2) [2023-05-04 19:34:24,673 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:34:24,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:34:24,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:34:24 BasicIcfg [2023-05-04 19:34:24,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:34:24,676 INFO L158 Benchmark]: Toolchain (without parser) took 872810.74ms. Allocated memory was 175.1MB in the beginning and 626.0MB in the end (delta: 450.9MB). Free memory was 150.4MB in the beginning and 540.3MB in the end (delta: -390.0MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,676 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:34:24,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.83ms. Allocated memory is still 175.1MB. Free memory was 150.3MB in the beginning and 129.2MB in the end (delta: 21.1MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.08ms. Allocated memory is still 175.1MB. Free memory was 129.2MB in the beginning and 126.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,677 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 175.1MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,677 INFO L158 Benchmark]: RCFGBuilder took 573.53ms. Allocated memory is still 175.1MB. Free memory was 123.9MB in the beginning and 103.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,677 INFO L158 Benchmark]: TraceAbstraction took 871481.00ms. Allocated memory was 175.1MB in the beginning and 626.0MB in the end (delta: 450.9MB). Free memory was 102.1MB in the beginning and 540.3MB in the end (delta: -438.2MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2023-05-04 19:34:24,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 624.83ms. Allocated memory is still 175.1MB. Free memory was 150.3MB in the beginning and 129.2MB in the end (delta: 21.1MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.08ms. Allocated memory is still 175.1MB. Free memory was 129.2MB in the beginning and 126.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 175.1MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 573.53ms. Allocated memory is still 175.1MB. Free memory was 123.9MB in the beginning and 103.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 871481.00ms. Allocated memory was 175.1MB in the beginning and 626.0MB in the end (delta: 450.9MB). Free memory was 102.1MB in the beginning and 540.3MB in the end (delta: -438.2MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5067, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 187, dependent conditional: 153, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4923, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4923, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 9, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4749, independent: 4715, independent conditional: 0, independent unconditional: 4715, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4749, independent: 4713, independent conditional: 0, independent unconditional: 4713, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4932, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 4749, unknown conditional: 0, unknown unconditional: 4749] , Statistics on independence cache: Total cache size (in pairs): 4749, Positive cache size: 4715, Positive conditional cache size: 0, Positive unconditional cache size: 4715, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 1, Independence queries for same thread: 144 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 128, Number of trivial persistent sets: 112, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4867, independent: 4833, independent conditional: 0, independent unconditional: 4833, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5067, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 187, dependent conditional: 153, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4923, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4923, independent: 4880, independent conditional: 47, independent unconditional: 4833, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 9, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4932, independent: 4880, independent conditional: 0, independent unconditional: 4880, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4749, independent: 4715, independent conditional: 0, independent unconditional: 4715, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4749, independent: 4713, independent conditional: 0, independent unconditional: 4713, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4932, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 4749, unknown conditional: 0, unknown unconditional: 4749] , Statistics on independence cache: Total cache size (in pairs): 4749, Positive cache size: 4715, Positive conditional cache size: 0, Positive unconditional cache size: 4715, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 1, Independence queries for same thread: 144 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11878, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 863, dependent conditional: 828, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11055, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11055, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 10, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 5, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 5, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7897, independent: 7861, independent conditional: 0, independent unconditional: 7861, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7897, independent: 7858, independent conditional: 0, independent unconditional: 7858, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 76, dependent conditional: 3, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11065, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 7897, unknown conditional: 1, unknown unconditional: 7896] , Statistics on independence cache: Total cache size (in pairs): 7897, Positive cache size: 7861, Positive conditional cache size: 0, Positive unconditional cache size: 7861, Negative cache size: 36, Negative conditional cache size: 1, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 2, Independence queries for same thread: 823 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 288, Number of trivial persistent sets: 237, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8347, independent: 8312, independent conditional: 0, independent unconditional: 8312, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11878, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 863, dependent conditional: 828, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11055, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11055, independent: 11015, independent conditional: 2703, independent unconditional: 8312, dependent: 40, dependent conditional: 5, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 10, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 5, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11065, independent: 11015, independent conditional: 0, independent unconditional: 11015, dependent: 50, dependent conditional: 5, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7897, independent: 7861, independent conditional: 0, independent unconditional: 7861, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7897, independent: 7858, independent conditional: 0, independent unconditional: 7858, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 76, dependent conditional: 3, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11065, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 7897, unknown conditional: 1, unknown unconditional: 7896] , Statistics on independence cache: Total cache size (in pairs): 7897, Positive cache size: 7861, Positive conditional cache size: 0, Positive unconditional cache size: 7861, Negative cache size: 36, Negative conditional cache size: 1, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 2, Independence queries for same thread: 823 - PositiveResult [Line: 1049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 347 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 347 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 870.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 191, 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: 0.2s SsaConstructionTime, 21.8s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 4788 NumberOfCodeBlocks, 4788 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6257 ConstructedInterpolants, 0 QuantifiedInterpolants, 14302 SizeOfPredicates, 52 NumberOfNonLiveVariables, 3162 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 0/29929 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown