/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:17:17,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:17:17,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:17:17,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 22:17:17,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 22:17:17,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 22:17:17,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 22:17:17,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 22:17:17,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 22:17:17,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 22:17:17,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 22:17:17,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 22:17:17,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 22:17:17,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 22:17:17,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 22:17:17,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 22:17:17,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 22:17:17,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 22:17:17,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 22:17:17,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 22:17:17,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 22:17:17,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 22:17:17,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 22:17:17,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 22:17:17,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 22:17:17,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 22:17:17,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 22:17:17,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 22:17:17,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 22:17:17,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 22:17:17,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 22:17:17,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 22:17:17,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 22:17:17,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 22:17:17,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 22:17:17,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 22:17:17,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 22:17:17,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 22:17:17,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:17:17,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:17:17,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:17:17,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:17:17,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:17:17,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:17:17,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:17:17,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:17:17,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:17:17,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:17:17,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:17:17,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:17:17,387 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:17:17,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:17:17,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:17:17,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:17:17,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:17:17,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:17:17,390 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:17:17,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:17:17,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:17:17,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:17:17,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:17:17,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:17:17,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:17:17,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2022-11-15 22:17:17,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cbd6844/70ed92492e2048afbdcca68e49caa52f/FLAG9e1d4b971 [2022-11-15 22:17:18,049 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:17:18,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2022-11-15 22:17:18,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cbd6844/70ed92492e2048afbdcca68e49caa52f/FLAG9e1d4b971 [2022-11-15 22:17:18,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74cbd6844/70ed92492e2048afbdcca68e49caa52f [2022-11-15 22:17:18,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:17:18,380 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:17:18,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:17:18,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:17:18,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:17:18,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ada6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18, skipping insertion in model container [2022-11-15 22:17:18,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:17:18,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:17:18,748 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43284,43297] [2022-11-15 22:17:18,756 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43491,43504] [2022-11-15 22:17:18,757 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43772,43785] [2022-11-15 22:17:18,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:17:18,766 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:17:18,791 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43284,43297] [2022-11-15 22:17:18,792 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43491,43504] [2022-11-15 22:17:18,794 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i[43772,43785] [2022-11-15 22:17:18,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:17:18,831 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:17:18,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18 WrapperNode [2022-11-15 22:17:18,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:17:18,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:17:18,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:17:18,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:17:18,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,867 INFO L138 Inliner]: procedures = 274, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2022-11-15 22:17:18,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:17:18,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:17:18,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:17:18,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:17:18,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:17:18,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:17:18,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:17:18,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:17:18,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (1/1) ... [2022-11-15 22:17:18,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:17:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:17:18,917 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) [2022-11-15 22:17:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-15 22:17:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-15 22:17:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:17:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:17:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:17:18,960 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:17:18,936 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 [2022-11-15 22:17:19,075 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:17:19,076 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:17:19,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:17:19,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:17:19,350 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-15 22:17:19,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:17:19 BoogieIcfgContainer [2022-11-15 22:17:19,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:17:19,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:17:19,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:17:19,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:17:19,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:17:18" (1/3) ... [2022-11-15 22:17:19,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70051852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:17:19, skipping insertion in model container [2022-11-15 22:17:19,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:18" (2/3) ... [2022-11-15 22:17:19,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70051852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:17:19, skipping insertion in model container [2022-11-15 22:17:19,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:17:19" (3/3) ... [2022-11-15 22:17:19,357 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.i [2022-11-15 22:17:19,362 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:17:19,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:17:19,368 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-15 22:17:19,368 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:17:19,477 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 22:17:19,514 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:19,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:17:19,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:17:19,516 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) [2022-11-15 22:17:19,518 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 [2022-11-15 22:17:19,543 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:17:19,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2022-11-15 22:17:19,558 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;@29859f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:19,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 22:17:19,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:19,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:19,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1206326688, now seen corresponding path program 1 times [2022-11-15 22:17:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:19,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492890705] [2022-11-15 22:17:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:19,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:19,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492890705] [2022-11-15 22:17:19,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492890705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:19,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:19,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 22:17:19,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339618238] [2022-11-15 22:17:19,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:19,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 22:17:19,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:19,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 22:17:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 22:17:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:19,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:19,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-11-15 22:17:19,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:20,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:17:20,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:20,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:20,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1496802387, now seen corresponding path program 1 times [2022-11-15 22:17:20,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:20,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743332576] [2022-11-15 22:17:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:21,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:21,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743332576] [2022-11-15 22:17:21,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743332576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:21,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:21,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-15 22:17:21,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999801970] [2022-11-15 22:17:21,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:21,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 22:17:21,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:21,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 22:17:21,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-15 22:17:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:21,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:21,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 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) [2022-11-15 22:17:21,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:21,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:21,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:21,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:17:21,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:21,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1206457166, now seen corresponding path program 1 times [2022-11-15 22:17:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:21,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065693768] [2022-11-15 22:17:21,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:21,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:24,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:24,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065693768] [2022-11-15 22:17:24,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065693768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:24,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:24,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-15 22:17:24,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949246851] [2022-11-15 22:17:24,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:24,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-15 22:17:24,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:24,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-15 22:17:24,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-11-15 22:17:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:24,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:24,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.666666666666667) internal successors, (126), 27 states have internal predecessors, (126), 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) [2022-11-15 22:17:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:24,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:25,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:25,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:17:25,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:17:25,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash -967720526, now seen corresponding path program 1 times [2022-11-15 22:17:25,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:25,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410450713] [2022-11-15 22:17:25,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:25,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:25,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:25,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410450713] [2022-11-15 22:17:25,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410450713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:25,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:25,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 22:17:25,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685419592] [2022-11-15 22:17:25,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:25,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 22:17:25,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:25,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 22:17:25,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 22:17:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:25,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:25,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 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) [2022-11-15 22:17:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:17:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:25,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 22:17:25,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:25,644 INFO L85 PathProgramCache]: Analyzing trace with hash 674282551, now seen corresponding path program 1 times [2022-11-15 22:17:25,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:25,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784727919] [2022-11-15 22:17:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:25,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:27,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:27,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784727919] [2022-11-15 22:17:27,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784727919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:27,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:27,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-11-15 22:17:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675805944] [2022-11-15 22:17:27,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:27,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-15 22:17:27,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:27,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-15 22:17:27,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2022-11-15 22:17:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:27,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:27,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.366666666666666) internal successors, (131), 30 states have internal predecessors, (131), 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) [2022-11-15 22:17:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:29,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 22:17:29,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:29,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:29,086 INFO L85 PathProgramCache]: Analyzing trace with hash 919472922, now seen corresponding path program 1 times [2022-11-15 22:17:29,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:29,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213108973] [2022-11-15 22:17:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:29,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:29,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:29,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:29,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213108973] [2022-11-15 22:17:29,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213108973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:29,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:29,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:17:29,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700619222] [2022-11-15 22:17:29,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:29,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 22:17:29,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:29,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 22:17:29,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 22:17:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:29,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:29,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:29,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:29,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 22:17:29,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:29,543 INFO L85 PathProgramCache]: Analyzing trace with hash 200359416, now seen corresponding path program 1 times [2022-11-15 22:17:29,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:29,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966382377] [2022-11-15 22:17:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:29,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:29,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966382377] [2022-11-15 22:17:29,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966382377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:29,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:29,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:17:29,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365298372] [2022-11-15 22:17:29,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:29,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 22:17:29,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:29,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 22:17:29,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 22:17:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:29,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:29,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:29,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:17:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:29,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 22:17:29,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1906637667, now seen corresponding path program 1 times [2022-11-15 22:17:29,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:29,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924862506] [2022-11-15 22:17:29,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:29,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:30,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:30,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924862506] [2022-11-15 22:17:30,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924862506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:30,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:30,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-15 22:17:30,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746163361] [2022-11-15 22:17:30,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:30,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 22:17:30,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 22:17:30,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-15 22:17:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:30,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 12 states have internal predecessors, (125), 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) [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 22:17:30,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-15 22:17:30,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 22:17:30,429 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-15 22:17:30,430 INFO L307 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2022-11-15 22:17:30,433 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:30,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:17:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:17:30,436 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) [2022-11-15 22:17:30,437 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 [2022-11-15 22:17:30,468 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:17:30,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:17:30,469 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;@29859f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:30,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-15 22:17:30,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:17:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1938744424, now seen corresponding path program 1 times [2022-11-15 22:17:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:30,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490445709] [2022-11-15 22:17:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:30,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:30,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490445709] [2022-11-15 22:17:30,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490445709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:30,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:30,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 22:17:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593569439] [2022-11-15 22:17:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:30,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 22:17:30,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:30,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 22:17:30,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 22:17:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:30,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:17:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-15 22:17:30,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-15 22:17:30,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-15 22:17:30,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 22:17:30,618 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-15 22:17:30,618 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/3) [2022-11-15 22:17:30,620 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:17:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:17:30,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 22:17:30,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-15 22:17:30,675 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:17:30,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2022-11-15 22:17:30,676 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;@29859f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:17:30,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 22:17:30,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1167932765, now seen corresponding path program 1 times [2022-11-15 22:17:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:30,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580090826] [2022-11-15 22:17:30,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:30,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:30,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:30,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580090826] [2022-11-15 22:17:30,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580090826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:30,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:30,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:17:30,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123718010] [2022-11-15 22:17:30,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:30,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 22:17:30,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:30,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 22:17:30,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 22:17:30,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:30,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:17:30,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-15 22:17:30,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:30,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:30,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1734266045, now seen corresponding path program 1 times [2022-11-15 22:17:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:30,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072273489] [2022-11-15 22:17:30,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:30,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:30,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072273489] [2022-11-15 22:17:30,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072273489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:30,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:30,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:17:30,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136639435] [2022-11-15 22:17:30,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:30,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 22:17:30,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:30,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 22:17:30,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 22:17:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:30,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-11-15 22:17:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:30,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-15 22:17:30,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:30,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash -9048852, now seen corresponding path program 1 times [2022-11-15 22:17:30,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:30,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553226002] [2022-11-15 22:17:30,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:30,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:31,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:31,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553226002] [2022-11-15 22:17:31,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553226002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:31,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:31,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 22:17:31,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48922607] [2022-11-15 22:17:31,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:31,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 22:17:31,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:31,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 22:17:31,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 22:17:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:31,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:31,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 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) [2022-11-15 22:17:31,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:31,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-15 22:17:31,039 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:31,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:31,039 INFO L85 PathProgramCache]: Analyzing trace with hash -133562140, now seen corresponding path program 1 times [2022-11-15 22:17:31,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761631467] [2022-11-15 22:17:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:31,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:31,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761631467] [2022-11-15 22:17:31,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761631467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:31,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:31,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-11-15 22:17:31,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785464751] [2022-11-15 22:17:31,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:31,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-15 22:17:31,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:31,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-15 22:17:31,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2022-11-15 22:17:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:31,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:31,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.571428571428571) internal successors, (201), 21 states have internal predecessors, (201), 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) [2022-11-15 22:17:31,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:31,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:31,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:17:32,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-15 22:17:32,494 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:32,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1466407071, now seen corresponding path program 1 times [2022-11-15 22:17:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:32,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969832227] [2022-11-15 22:17:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:34,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:34,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969832227] [2022-11-15 22:17:34,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969832227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:34,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:34,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-15 22:17:34,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126409410] [2022-11-15 22:17:34,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:34,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-15 22:17:34,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:34,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-15 22:17:34,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2022-11-15 22:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:34,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:34,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.321428571428571) internal successors, (205), 28 states have internal predecessors, (205), 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) [2022-11-15 22:17:34,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:34,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:34,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:34,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:17:34,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:17:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:17:35,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-15 22:17:35,740 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:35,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:35,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1099046682, now seen corresponding path program 1 times [2022-11-15 22:17:35,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:35,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010821751] [2022-11-15 22:17:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:17:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:17:38,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:17:38,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010821751] [2022-11-15 22:17:38,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010821751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:17:38,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:17:38,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-11-15 22:17:38,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648667243] [2022-11-15 22:17:38,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:17:38,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-15 22:17:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:17:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-15 22:17:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2022-11-15 22:17:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:38,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:17:38,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.147058823529412) internal successors, (209), 34 states have internal predecessors, (209), 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) [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:17:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:17:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:17:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:17:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:17:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:17:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:17:40,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-15 22:17:40,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:17:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:17:40,771 INFO L85 PathProgramCache]: Analyzing trace with hash 218103893, now seen corresponding path program 1 times [2022-11-15 22:17:40,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:17:40,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276800307] [2022-11-15 22:17:40,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:17:40,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:17:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:18:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:18:34,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:18:34,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276800307] [2022-11-15 22:18:34,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276800307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:18:34,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:18:34,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-11-15 22:18:34,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11642760] [2022-11-15 22:18:34,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:18:34,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-15 22:18:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:18:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-15 22:18:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1904, Unknown=0, NotChecked=0, Total=2070 [2022-11-15 22:18:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:18:34,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:18:34,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.630434782608695) internal successors, (213), 46 states have internal predecessors, (213), 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) [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:18:34,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 22:18:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-15 22:18:37,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-15 22:18:37,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:18:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:18:37,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1224916019, now seen corresponding path program 1 times [2022-11-15 22:18:37,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:18:37,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368395593] [2022-11-15 22:18:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:18:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:18:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:18:37,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-15 22:18:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:18:38,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-15 22:18:38,000 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-15 22:18:38,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-15 22:18:38,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-15 22:18:38,002 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-15 22:18:38,003 INFO L307 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was UNSAFE (3/3) [2022-11-15 22:18:38,005 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:18:38,005 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:18:38,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:18:38 BasicIcfg [2022-11-15 22:18:38,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:18:38,140 INFO L158 Benchmark]: Toolchain (without parser) took 79759.80ms. Allocated memory was 183.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 150.5MB in the beginning and 830.8MB in the end (delta: -680.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-15 22:18:38,140 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory was 138.2MB in the beginning and 138.0MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:18:38,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.68ms. Allocated memory was 183.5MB in the beginning and 221.2MB in the end (delta: 37.7MB). Free memory was 150.2MB in the beginning and 169.7MB in the end (delta: -19.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-11-15 22:18:38,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.27ms. Allocated memory is still 221.2MB. Free memory was 169.7MB in the beginning and 166.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 22:18:38,140 INFO L158 Benchmark]: Boogie Preprocessor took 24.51ms. Allocated memory is still 221.2MB. Free memory was 166.6MB in the beginning and 164.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:18:38,140 INFO L158 Benchmark]: RCFGBuilder took 458.72ms. Allocated memory is still 221.2MB. Free memory was 164.2MB in the beginning and 141.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-11-15 22:18:38,141 INFO L158 Benchmark]: TraceAbstraction took 78786.52ms. Allocated memory was 221.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 140.4MB in the beginning and 830.8MB in the end (delta: -690.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-15 22:18:38,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory was 138.2MB in the beginning and 138.0MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 449.68ms. Allocated memory was 183.5MB in the beginning and 221.2MB in the end (delta: 37.7MB). Free memory was 150.2MB in the beginning and 169.7MB in the end (delta: -19.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.27ms. Allocated memory is still 221.2MB. Free memory was 169.7MB in the beginning and 166.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.51ms. Allocated memory is still 221.2MB. Free memory was 166.6MB in the beginning and 164.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 458.72ms. Allocated memory is still 221.2MB. Free memory was 164.2MB in the beginning and 141.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 78786.52ms. Allocated memory was 221.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 140.4MB in the beginning and 830.8MB in the end (delta: -690.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17138, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 585, dependent conditional: 519, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16638, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 85, dependent conditional: 19, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16638, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 85, dependent conditional: 19, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 196, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 32, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 32, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11504, independent: 11427, independent conditional: 16, independent unconditional: 11411, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11504, independent: 11407, independent conditional: 0, independent unconditional: 11407, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, independent: 68, independent conditional: 30, independent unconditional: 38, dependent: 106, dependent conditional: 19, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16879, independent: 5126, independent conditional: 29, independent unconditional: 5097, dependent: 249, dependent conditional: 21, dependent unconditional: 228, unknown: 11504, unknown conditional: 27, unknown unconditional: 11477] , Statistics on independence cache: Total cache size (in pairs): 11504, Positive cache size: 11427, Positive conditional cache size: 16, Positive unconditional cache size: 11411, Negative cache size: 77, Negative conditional cache size: 11, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 7, Independence queries for same thread: 500 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 878, Number of trivial persistent sets: 576, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12237, independent: 12171, independent conditional: 0, independent unconditional: 12171, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17138, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 585, dependent conditional: 519, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16638, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 85, dependent conditional: 19, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16638, independent: 16553, independent conditional: 4382, independent unconditional: 12171, dependent: 85, dependent conditional: 19, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 196, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 32, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16879, independent: 16553, independent conditional: 45, independent unconditional: 16508, dependent: 326, dependent conditional: 32, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11504, independent: 11427, independent conditional: 16, independent unconditional: 11411, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11504, independent: 11407, independent conditional: 0, independent unconditional: 11407, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 20, independent conditional: 16, independent unconditional: 4, dependent: 77, dependent conditional: 11, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, independent: 68, independent conditional: 30, independent unconditional: 38, dependent: 106, dependent conditional: 19, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16879, independent: 5126, independent conditional: 29, independent unconditional: 5097, dependent: 249, dependent conditional: 21, dependent unconditional: 228, unknown: 11504, unknown conditional: 27, unknown unconditional: 11477] , Statistics on independence cache: Total cache size (in pairs): 11504, Positive cache size: 11427, Positive conditional cache size: 16, Positive unconditional cache size: 11411, Negative cache size: 77, Negative conditional cache size: 11, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 7, Independence queries for same thread: 500 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8361, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 108, dependent conditional: 37, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8344, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 91, dependent conditional: 20, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8344, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 91, dependent conditional: 20, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 20, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8067, independent: 7996, independent conditional: 0, independent unconditional: 7996, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8067, independent: 7992, independent conditional: 0, independent unconditional: 7992, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8364, independent: 257, independent conditional: 0, independent unconditional: 257, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 8067, unknown conditional: 0, unknown unconditional: 8067] , Statistics on independence cache: Total cache size (in pairs): 8067, Positive cache size: 7996, Positive conditional cache size: 0, Positive unconditional cache size: 7996, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 1, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 208, Number of trivial persistent sets: 180, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8205, independent: 8134, independent conditional: 0, independent unconditional: 8134, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8361, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 108, dependent conditional: 37, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8344, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 91, dependent conditional: 20, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8344, independent: 8253, independent conditional: 119, independent unconditional: 8134, dependent: 91, dependent conditional: 20, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 20, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8364, independent: 8253, independent conditional: 0, independent unconditional: 8253, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8067, independent: 7996, independent conditional: 0, independent unconditional: 7996, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8067, independent: 7992, independent conditional: 0, independent unconditional: 7992, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8364, independent: 257, independent conditional: 0, independent unconditional: 257, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 8067, unknown conditional: 0, unknown unconditional: 8067] , Statistics on independence cache: Total cache size (in pairs): 8067, Positive cache size: 7996, Positive conditional cache size: 0, Positive unconditional cache size: 7996, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 1, Independence queries for same thread: 17 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15965, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 231, dependent conditional: 173, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15806, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 72, dependent conditional: 14, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15806, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 72, dependent conditional: 14, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 90, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 13, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 13, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12878, independent: 12817, independent conditional: 2, independent unconditional: 12815, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12878, independent: 12805, independent conditional: 0, independent unconditional: 12805, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 73, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 35, independent conditional: 2, independent unconditional: 33, dependent: 56, dependent conditional: 2, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15926, independent: 2917, independent conditional: 28, independent unconditional: 2889, dependent: 131, dependent conditional: 10, dependent unconditional: 121, unknown: 12878, unknown conditional: 5, unknown unconditional: 12873] , Statistics on independence cache: Total cache size (in pairs): 12878, Positive cache size: 12817, Positive conditional cache size: 2, Positive unconditional cache size: 12815, Negative cache size: 61, Negative conditional cache size: 3, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 6, Independence queries for same thread: 159 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 420, Number of trivial persistent sets: 319, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13640, independent: 13582, independent conditional: 0, independent unconditional: 13582, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15965, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 231, dependent conditional: 173, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15806, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 72, dependent conditional: 14, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15806, independent: 15734, independent conditional: 2152, independent unconditional: 13582, dependent: 72, dependent conditional: 14, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 90, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 13, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15926, independent: 15734, independent conditional: 30, independent unconditional: 15704, dependent: 192, dependent conditional: 13, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12878, independent: 12817, independent conditional: 2, independent unconditional: 12815, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12878, independent: 12805, independent conditional: 0, independent unconditional: 12805, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 73, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 12, independent conditional: 2, independent unconditional: 10, dependent: 61, dependent conditional: 3, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 35, independent conditional: 2, independent unconditional: 33, dependent: 56, dependent conditional: 2, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15926, independent: 2917, independent conditional: 28, independent unconditional: 2889, dependent: 131, dependent conditional: 10, dependent unconditional: 121, unknown: 12878, unknown conditional: 5, unknown unconditional: 12873] , Statistics on independence cache: Total cache size (in pairs): 12878, Positive cache size: 12817, Positive conditional cache size: 2, Positive unconditional cache size: 12815, Negative cache size: 61, Negative conditional cache size: 3, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 77, Maximal queried relation: 6, Independence queries for same thread: 159 - PositiveResult [Line: 1032]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1059]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 1043]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L950] 0 _Bool enqueue_flag, dequeue_flag; VAL [enqueue_flag=0] [L947] 0 pthread_mutex_t m; VAL [enqueue_flag=0, m={5:0}] [L951] 0 QType queue; VAL [enqueue_flag=0, m={5:0}, queue={6:0}] [L949] 0 int stored_elements[(20)]; VAL [enqueue_flag=0, m={5:0}, queue={6:0}, stored_elements={7:0}] [L950] 0 _Bool enqueue_flag, dequeue_flag; VAL [dequeue_flag=0, enqueue_flag=0, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1054] 0 pthread_t id1, id2; VAL [dequeue_flag=0, enqueue_flag=0, id1={13:0}, id2={10:0}, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1055] 0 enqueue_flag=(1) VAL [dequeue_flag=0, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1056] 0 dequeue_flag=(0) VAL [dequeue_flag=0, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1057] CALL 0 init(&queue) [L954] 0 q->head=0 VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L955] 0 q->tail=0 VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L956] 0 q->amount=0 VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L1057] RET 0 init(&queue) [L1058] CALL, EXPR 0 empty(&queue) [L960] EXPR 0 q->head VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}] [L960] EXPR 0 q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->head=0, q->tail=0, queue={6:0}, stored_elements={7:0}] [L960] COND TRUE 0 q->head == q->tail VAL [dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->head=0, q->tail=0, queue={6:0}, stored_elements={7:0}] [L963] 0 return (-1); VAL [\result=-1, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L1058] RET, EXPR 0 empty(&queue) [L1058] COND FALSE 0 !(!empty(&queue)==(-1)) VAL [dequeue_flag=0, empty(&queue)=-1, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1063] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, &queue) VAL [dequeue_flag=0, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, pthread_create(&id1, ((void *)0), t1, &queue)=17, queue={6:0}, stored_elements={7:0}] [L1064] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, &queue) VAL [dequeue_flag=0, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, pthread_create(&id2, ((void *)0), t2, &queue)=18, queue={6:0}, stored_elements={7:0}] [L1036] 2 int i; VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1037] 2 i=0 VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1037] COND TRUE 2 i<(20) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1040] COND FALSE 2 !(\read(dequeue_flag)) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1037] 2 i++ VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1037] COND TRUE 2 i<(20) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1065] 0 \read(id1) VAL [\read(id1)=17, dequeue_flag=0, enqueue_flag=1, id1={13:0}, id2={10:0}, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1007] 1 int value, i; VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1009] 1 value = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=9, arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1010] CALL 1 enqueue(&queue,value) [L980] EXPR 1 q->tail VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, queue={6:0}, stored_elements={7:0}, x=9] [L980] 1 q->element[q->tail] = x VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, queue={6:0}, stored_elements={7:0}, x=9] [L981] EXPR 1 q->amount VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->amount=0, queue={6:0}, stored_elements={7:0}, x=9] [L981] 1 q->amount++ VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->amount=0, q->amount++=0, queue={6:0}, stored_elements={7:0}, x=9] [L982] EXPR 1 q->tail VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, queue={6:0}, stored_elements={7:0}, x=9] [L982] COND FALSE 1 !(q->tail == (20)) VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, queue={6:0}, stored_elements={7:0}, x=9] [L988] EXPR 1 q->tail VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, queue={6:0}, stored_elements={7:0}, x=9] [L988] 1 q->tail++ VAL [\old(x)=9, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=0, q->tail++=0, queue={6:0}, stored_elements={7:0}, x=9] [L990] 1 return 0; VAL [\old(x)=9, \result=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}, x=9] [L1010] RET 1 enqueue(&queue,value) [L1010] COND FALSE 1 !(enqueue(&queue,value)) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue(&queue,value)=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1013] 1 stored_elements[0]=value VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1014] CALL 1 empty(&queue) [L960] EXPR 1 q->head VAL [\result=-1, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}] [L960] EXPR 1 q->tail VAL [\result=-1, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q={6:0}, q={6:0}, q->head=0, q->tail=1, queue={6:0}, stored_elements={7:0}] [L960] COND FALSE 1 !(q->head == q->tail) VAL [\result=-1, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q={6:0}, q={6:0}, q->head=0, q->tail=1, queue={6:0}, stored_elements={7:0}] [L966] 1 return 0; VAL [\result=-1, \result=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L1014] RET 1 empty(&queue) [L1014] COND FALSE 1 !(empty(&queue)) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, empty(&queue)=0, enqueue_flag=1, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1018] 1 i=0 VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1018] COND TRUE 1 i<((20)-1) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1021] COND TRUE 1 \read(enqueue_flag) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=9] [L1023] 1 value = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=0] [L1024] CALL 1 enqueue(&queue,value) [L980] EXPR 1 q->tail VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, queue={6:0}, stored_elements={7:0}, x=0] [L980] 1 q->element[q->tail] = x VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, queue={6:0}, stored_elements={7:0}, x=0] [L981] EXPR 1 q->amount VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->amount=1, queue={6:0}, stored_elements={7:0}, x=0] [L981] 1 q->amount++ VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->amount=1, q->amount++=1, queue={6:0}, stored_elements={7:0}, x=0] [L982] EXPR 1 q->tail VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, queue={6:0}, stored_elements={7:0}, x=0] [L982] COND FALSE 1 !(q->tail == (20)) VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, queue={6:0}, stored_elements={7:0}, x=0] [L988] EXPR 1 q->tail VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, queue={6:0}, stored_elements={7:0}, x=0] [L988] 1 q->tail++ VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, q->tail=1, q->tail++=1, queue={6:0}, stored_elements={7:0}, x=0] [L990] 1 return 0; VAL [\old(x)=0, \result=0, dequeue_flag=0, enqueue_flag=1, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}, x=0] [L1024] RET 1 enqueue(&queue,value) [L1025] 1 stored_elements[i+1]=value VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=0] [L1026] 1 enqueue_flag=(0) VAL [arg={6:0}, arg={6:0}, dequeue_flag=0, enqueue_flag=0, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=0] [L1027] 1 dequeue_flag=(1) VAL [arg={6:0}, arg={6:0}, dequeue_flag=1, enqueue_flag=0, i=0, m={5:0}, queue={6:0}, stored_elements={7:0}, value=0] [L1040] COND TRUE 2 \read(dequeue_flag) VAL [arg={6:0}, arg={6:0}, dequeue_flag=1, enqueue_flag=0, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}] [L1042] CALL, EXPR 2 dequeue(&queue) [L994] 2 int x; VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}] [L995] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}] [L995] EXPR 2 q->element[q->head] VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->element[q->head]=9, q->head=0, queue={6:0}, stored_elements={7:0}] [L995] 2 x = q->element[q->head] VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->element[q->head]=9, q->head=0, queue={6:0}, stored_elements={7:0}, x=9] [L996] EXPR 2 q->amount VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->amount=2, queue={6:0}, stored_elements={7:0}, x=9] [L996] 2 q->amount-- VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->amount=2, q->amount--=2, queue={6:0}, stored_elements={7:0}, x=9] [L997] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}, x=9] [L997] COND FALSE 2 !(q->head == (20)) VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}, x=9] [L1002] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->head=0, queue={6:0}, stored_elements={7:0}, x=9] [L1002] 2 q->head++ VAL [dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, q->head=0, q->head++=0, queue={6:0}, stored_elements={7:0}, x=9] [L1003] 2 return x; VAL [\result=9, dequeue_flag=1, enqueue_flag=0, m={5:0}, q={6:0}, q={6:0}, queue={6:0}, stored_elements={7:0}, x=9] [L1042] RET, EXPR 2 dequeue(&queue) [L1042] EXPR 2 stored_elements[i] VAL [arg={6:0}, arg={6:0}, dequeue(&queue)=9, dequeue_flag=1, enqueue_flag=0, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}, stored_elements[i]=0] [L1042] COND TRUE 2 !dequeue(&queue)==stored_elements[i] VAL [arg={6:0}, arg={6:0}, dequeue(&queue)=9, dequeue_flag=1, enqueue_flag=0, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}, stored_elements[i]=0] [L1043] 2 reach_error() VAL [arg={6:0}, arg={6:0}, dequeue_flag=1, enqueue_flag=0, i=1, m={5:0}, queue={6:0}, stored_elements={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 437 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.1s, 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: 103, 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, 5.4s InterpolantComputationTime, 1058 NumberOfCodeBlocks, 1058 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1050 ConstructedInterpolants, 0 QuantifiedInterpolants, 6947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 437 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 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, 437 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 67.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.4s, 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: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 59.5s InterpolantComputationTime, 1573 NumberOfCodeBlocks, 1573 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1345 ConstructedInterpolants, 0 QuantifiedInterpolants, 131855 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 4/4 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 proved your program to be incorrect! [2022-11-15 22:18:38,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-11-15 22:18:38,370 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 [2022-11-15 22:18:38,573 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 [2022-11-15 22:18:38,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...