/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.trace.refinement.strategy BADGER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 00:11:00,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 00:11:00,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 00:11:00,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 00:11:00,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 00:11:00,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 00:11:00,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 00:11:00,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 00:11:00,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 00:11:00,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 00:11:00,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 00:11:00,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 00:11:00,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 00:11:00,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 00:11:00,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 00:11:00,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 00:11:00,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 00:11:00,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 00:11:00,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 00:11:00,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 00:11:00,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 00:11:00,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 00:11:00,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 00:11:00,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 00:11:00,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 00:11:00,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 00:11:00,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 00:11:00,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 00:11:00,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 00:11:00,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 00:11:00,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 00:11:00,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 00:11:00,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 00:11:00,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 00:11:00,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 00:11:00,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 00:11:00,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 00:11:00,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 00:11:00,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 00:11:00,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 00:11:00,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 00:11:00,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 00:11:00,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 00:11:00,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 00:11:00,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 00:11:00,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 00:11:00,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 00:11:00,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 00:11:00,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 00:11:00,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 00:11:00,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 00:11:00,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 00:11:00,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 00:11:00,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 00:11:00,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 00:11:00,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 00:11:01,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 00:11:01,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 00:11:01,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 00:11:01,012 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 00:11:01,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-11-15 00:11:01,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779ab2e8f/74d2b2d674514e87a06c0f0ebb16f026/FLAG7517e4c08 [2022-11-15 00:11:01,451 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 00:11:01,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-11-15 00:11:01,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779ab2e8f/74d2b2d674514e87a06c0f0ebb16f026/FLAG7517e4c08 [2022-11-15 00:11:01,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779ab2e8f/74d2b2d674514e87a06c0f0ebb16f026 [2022-11-15 00:11:01,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 00:11:01,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 00:11:01,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 00:11:01,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 00:11:01,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 00:11:01,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4555c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01, skipping insertion in model container [2022-11-15 00:11:01,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 00:11:01,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 00:11:01,741 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-deagle/circular_buffer_ok.i[30451,30464] [2022-11-15 00:11:01,746 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-deagle/circular_buffer_ok.i[30681,30694] [2022-11-15 00:11:01,752 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-deagle/circular_buffer_ok.i[30979,30992] [2022-11-15 00:11:01,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 00:11:01,765 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 00:11:01,799 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-deagle/circular_buffer_ok.i[30451,30464] [2022-11-15 00:11:01,800 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-deagle/circular_buffer_ok.i[30681,30694] [2022-11-15 00:11:01,801 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-deagle/circular_buffer_ok.i[30979,30992] [2022-11-15 00:11:01,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 00:11:01,826 INFO L208 MainTranslator]: Completed translation [2022-11-15 00:11:01,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01 WrapperNode [2022-11-15 00:11:01,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 00:11:01,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 00:11:01,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 00:11:01,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 00:11:01,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,864 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-11-15 00:11:01,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 00:11:01,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 00:11:01,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 00:11:01,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 00:11:01,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 00:11:01,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 00:11:01,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 00:11:01,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 00:11:01,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (1/1) ... [2022-11-15 00:11:01,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 00:11:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:01,921 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 00:11:01,927 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 00:11:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-15 00:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-15 00:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 00:11:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 00:11:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-15 00:11:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 00:11:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 00:11:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 00:11:01,949 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 00:11:02,046 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 00:11:02,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 00:11:02,315 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 00:11:02,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 00:11:02,321 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-15 00:11:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:11:02 BoogieIcfgContainer [2022-11-15 00:11:02,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 00:11:02,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 00:11:02,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 00:11:02,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 00:11:02,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 12:11:01" (1/3) ... [2022-11-15 00:11:02,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381ad4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 12:11:02, skipping insertion in model container [2022-11-15 00:11:02,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 12:11:01" (2/3) ... [2022-11-15 00:11:02,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381ad4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 12:11:02, skipping insertion in model container [2022-11-15 00:11:02,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 12:11:02" (3/3) ... [2022-11-15 00:11:02,330 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-15 00:11:02,335 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 00:11:02,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 00:11:02,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-15 00:11:02,342 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 00:11:02,406 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 00:11:02,438 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:02,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 00:11:02,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:02,441 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 00:11:02,445 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 00:11:02,465 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 00:11:02,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2022-11-15 00:11:02,485 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;@18890fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:02,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 00:11:03,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:03,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:03,794 INFO L85 PathProgramCache]: Analyzing trace with hash -942238947, now seen corresponding path program 1 times [2022-11-15 00:11:03,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:03,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356634257] [2022-11-15 00:11:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:03,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:03,945 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-15 00:11:03,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615592101] [2022-11-15 00:11:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:03,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 00:11:03,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 00:11:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:04,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-15 00:11:04,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 00:11:04,212 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 00:11:04,213 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:04,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356634257] [2022-11-15 00:11:04,213 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-15 00:11:04,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615592101] [2022-11-15 00:11:04,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615592101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 00:11:04,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 00:11:04,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 00:11:04,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968289310] [2022-11-15 00:11:04,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 00:11:04,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 00:11:04,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:04,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 00:11:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 00:11:04,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:04,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:04,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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 00:11:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:04,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:04,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 00:11:04,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-15 00:11:04,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:04,504 INFO L85 PathProgramCache]: Analyzing trace with hash 855364141, now seen corresponding path program 1 times [2022-11-15 00:11:04,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:04,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846302293] [2022-11-15 00:11:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:04,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:04,543 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-15 00:11:04,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367006574] [2022-11-15 00:11:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:04,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:04,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 00:11:04,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 00:11:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:04,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-15 00:11:04,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 00:11:04,720 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 00:11:04,720 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:04,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846302293] [2022-11-15 00:11:04,720 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-15 00:11:04,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367006574] [2022-11-15 00:11:04,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367006574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 00:11:04,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 00:11:04,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 00:11:04,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417645984] [2022-11-15 00:11:04,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 00:11:04,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 00:11:04,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:04,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 00:11:04,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 00:11:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:04,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:04,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 00:11:04,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:04,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:04,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 00:11:04,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:04,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:04,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash -147213827, now seen corresponding path program 1 times [2022-11-15 00:11:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:04,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909609477] [2022-11-15 00:11:04,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:05,028 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-15 00:11:05,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628606630] [2022-11-15 00:11:05,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:05,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:05,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:05,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 00:11:05,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 00:11:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:05,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-15 00:11:05,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 00:11:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 00:11:05,206 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:05,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909609477] [2022-11-15 00:11:05,206 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-15 00:11:05,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628606630] [2022-11-15 00:11:05,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628606630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 00:11:05,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-15 00:11:05,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2022-11-15 00:11:05,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391989414] [2022-11-15 00:11:05,207 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-15 00:11:05,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 00:11:05,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:05,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 00:11:05,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-15 00:11:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:05,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:05,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 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 00:11:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 00:11:05,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-15 00:11:05,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:05,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2033467171, now seen corresponding path program 2 times [2022-11-15 00:11:05,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:05,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398592180] [2022-11-15 00:11:05,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:05,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:05,522 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-15 00:11:05,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762244478] [2022-11-15 00:11:05,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 00:11:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:05,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 00:11:05,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 00:11:05,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-15 00:11:05,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 00:11:05,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-15 00:11:05,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 00:11:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-15 00:11:05,647 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:05,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398592180] [2022-11-15 00:11:05,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-15 00:11:05,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762244478] [2022-11-15 00:11:05,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762244478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 00:11:05,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 00:11:05,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 00:11:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618108683] [2022-11-15 00:11:05,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 00:11:05,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 00:11:05,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:05,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 00:11:05,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 00:11:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:05,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:05,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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 00:11:05,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 00:11:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 00:11:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 00:11:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:07,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-15 00:11:07,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-15 00:11:07,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 00:11:07,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 00:11:07,498 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-15 00:11:07,499 INFO L307 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE,SAFE (1/3) [2022-11-15 00:11:07,501 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:07,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 00:11:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:07,505 INFO L229 MonitoredProcess]: Starting monitored process 7 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 00:11:07,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-11-15 00:11:07,511 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 00:11:07,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 00:11:07,512 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;@18890fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:07,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 00:11:09,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-11-15 00:11:09,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-15 00:11:09,777 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-15 00:11:09,777 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2022-11-15 00:11:09,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:09,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 00:11:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 00:11:09,793 INFO L229 MonitoredProcess]: Starting monitored process 8 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 00:11:09,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-15 00:11:09,796 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 00:11:09,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2022-11-15 00:11:09,797 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;@18890fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 00:11:09,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 00:11:10,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash 930345418, now seen corresponding path program 1 times [2022-11-15 00:11:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:10,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829223514] [2022-11-15 00:11:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:11,114 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 00:11:11,115 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:11,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829223514] [2022-11-15 00:11:11,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829223514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 00:11:11,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 00:11:11,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 00:11:11,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838526822] [2022-11-15 00:11:11,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 00:11:11,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 00:11:11,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:11,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 00:11:11,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 00:11:11,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:11,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:11,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 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 00:11:11,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 00:11:11,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1453589457, now seen corresponding path program 1 times [2022-11-15 00:11:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:11,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812653611] [2022-11-15 00:11:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 00:11:11,264 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:11,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812653611] [2022-11-15 00:11:11,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812653611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 00:11:11,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 00:11:11,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 00:11:11,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036319086] [2022-11-15 00:11:11,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 00:11:11,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 00:11:11,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:11,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 00:11:11,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 00:11:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:11,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:11,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 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 00:11:11,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 00:11:11,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 00:11:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 00:11:11,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2111600681, now seen corresponding path program 1 times [2022-11-15 00:11:11,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-15 00:11:11,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013200455] [2022-11-15 00:11:11,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 00:11:11,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 00:11:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 00:11:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 00:11:11,440 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-15 00:11:11,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013200455] [2022-11-15 00:11:11,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013200455] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 00:11:11,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-15 00:11:11,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2022-11-15 00:11:11,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554360168] [2022-11-15 00:11:11,440 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-15 00:11:11,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 00:11:11,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-15 00:11:11,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 00:11:11,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 00:11:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:11,442 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 00:11:11,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 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 00:11:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:11,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 00:11:12,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:12,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 00:11:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 00:11:12,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-15 00:11:12,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-15 00:11:12,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 00:11:12,801 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-15 00:11:12,801 INFO L307 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was SAFE,SAFE (3/3) [2022-11-15 00:11:12,801 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 00:11:12,801 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 00:11:12,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 12:11:12 BasicIcfg [2022-11-15 00:11:12,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 00:11:12,805 INFO L158 Benchmark]: Toolchain (without parser) took 11333.41ms. Allocated memory was 235.9MB in the beginning and 293.6MB in the end (delta: 57.7MB). Free memory was 199.9MB in the beginning and 108.7MB in the end (delta: 91.1MB). Peak memory consumption was 148.8MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,805 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 235.9MB. Free memory is still 189.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 00:11:12,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.94ms. Allocated memory is still 235.9MB. Free memory was 199.6MB in the beginning and 194.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.01ms. Allocated memory is still 235.9MB. Free memory was 194.9MB in the beginning and 192.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,805 INFO L158 Benchmark]: Boogie Preprocessor took 20.28ms. Allocated memory is still 235.9MB. Free memory was 192.5MB in the beginning and 190.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,806 INFO L158 Benchmark]: RCFGBuilder took 436.76ms. Allocated memory is still 235.9MB. Free memory was 190.7MB in the beginning and 172.5MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,806 INFO L158 Benchmark]: TraceAbstraction took 10480.22ms. Allocated memory was 235.9MB in the beginning and 293.6MB in the end (delta: 57.7MB). Free memory was 171.8MB in the beginning and 108.7MB in the end (delta: 63.1MB). Peak memory consumption was 121.4MB. Max. memory is 8.0GB. [2022-11-15 00:11:12,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 235.9MB. Free memory is still 189.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.94ms. Allocated memory is still 235.9MB. Free memory was 199.6MB in the beginning and 194.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.01ms. Allocated memory is still 235.9MB. Free memory was 194.9MB in the beginning and 192.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.28ms. Allocated memory is still 235.9MB. Free memory was 192.5MB in the beginning and 190.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 436.76ms. Allocated memory is still 235.9MB. Free memory was 190.7MB in the beginning and 172.5MB in the end (delta: 18.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10480.22ms. Allocated memory was 235.9MB in the beginning and 293.6MB in the end (delta: 57.7MB). Free memory was 171.8MB in the beginning and 108.7MB in the end (delta: 63.1MB). Peak memory consumption was 121.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28077, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 1816, dependent conditional: 1794, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26480, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 219, dependent conditional: 197, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26480, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 219, dependent conditional: 197, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 561, dependent unconditional: 219, unknown: 14, unknown conditional: 9, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 72, dependent unconditional: 708, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 72, dependent unconditional: 708, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5431, independent: 5395, independent conditional: 0, independent unconditional: 5395, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5431, independent: 5387, independent conditional: 0, independent unconditional: 5387, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2367, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 120, dependent conditional: 10, dependent unconditional: 111, unknown: 2186, unknown conditional: 0, unknown unconditional: 2186] , Protected Queries: 0 ], Cache Queries: [ total: 27050, independent: 20861, independent conditional: 0, independent unconditional: 20861, dependent: 746, dependent conditional: 62, dependent unconditional: 684, unknown: 5443, unknown conditional: 10, unknown unconditional: 5433] , Statistics on independence cache: Total cache size (in pairs): 5429, Positive cache size: 5395, Positive conditional cache size: 0, Positive unconditional cache size: 5395, Negative cache size: 34, Negative conditional cache size: 10, Negative unconditional cache size: 24, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 498, Maximal queried relation: 4, Independence queries for same thread: 1597 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.5s, Number of persistent set computation: 2188, Number of trivial persistent sets: 1175, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8660, independent: 8636, independent conditional: 0, independent unconditional: 8636, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28077, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 1816, dependent conditional: 1794, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26480, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 219, dependent conditional: 197, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26480, independent: 26256, independent conditional: 17620, independent unconditional: 8636, dependent: 219, dependent conditional: 197, dependent unconditional: 22, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 561, dependent unconditional: 219, unknown: 14, unknown conditional: 9, unknown unconditional: 5] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 72, dependent unconditional: 708, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27050, independent: 26256, independent conditional: 0, independent unconditional: 26256, dependent: 780, dependent conditional: 72, dependent unconditional: 708, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5431, independent: 5395, independent conditional: 0, independent unconditional: 5395, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5431, independent: 5387, independent conditional: 0, independent unconditional: 5387, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 34, dependent conditional: 10, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2367, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 120, dependent conditional: 10, dependent unconditional: 111, unknown: 2186, unknown conditional: 0, unknown unconditional: 2186] , Protected Queries: 0 ], Cache Queries: [ total: 27050, independent: 20861, independent conditional: 0, independent unconditional: 20861, dependent: 746, dependent conditional: 62, dependent unconditional: 684, unknown: 5443, unknown conditional: 10, unknown unconditional: 5433] , Statistics on independence cache: Total cache size (in pairs): 5429, Positive cache size: 5395, Positive conditional cache size: 0, Positive unconditional cache size: 5395, Negative cache size: 34, Negative conditional cache size: 10, Negative unconditional cache size: 24, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 498, Maximal queried relation: 4, Independence queries for same thread: 1597 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3073, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2876, independent: 2864, independent conditional: 0, independent unconditional: 2864, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2876, independent: 2861, independent conditional: 0, independent unconditional: 2861, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2246, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 2145, unknown conditional: 0, unknown unconditional: 2145] , Protected Queries: 0 ], Cache Queries: [ total: 3064, independent: 187, independent conditional: 0, independent unconditional: 187, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2877, unknown conditional: 0, unknown unconditional: 2877] , Statistics on independence cache: Total cache size (in pairs): 2874, Positive cache size: 2864, Positive conditional cache size: 0, Positive unconditional cache size: 2864, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.3s, Number of persistent set computation: 95, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3014, independent: 3002, independent conditional: 0, independent unconditional: 3002, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3073, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 49, independent unconditional: 3002, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3064, independent: 3051, independent conditional: 0, independent unconditional: 3051, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2876, independent: 2864, independent conditional: 0, independent unconditional: 2864, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2876, independent: 2861, independent conditional: 0, independent unconditional: 2861, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2246, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 2145, unknown conditional: 0, unknown unconditional: 2145] , Protected Queries: 0 ], Cache Queries: [ total: 3064, independent: 187, independent conditional: 0, independent unconditional: 187, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2877, unknown conditional: 0, unknown unconditional: 2877] , Statistics on independence cache: Total cache size (in pairs): 2874, Positive cache size: 2864, Positive conditional cache size: 0, Positive unconditional cache size: 2864, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20770, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 1275, dependent conditional: 1252, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19658, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 163, dependent conditional: 140, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19658, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 163, dependent conditional: 140, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 340, dependent unconditional: 163, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 0, dependent unconditional: 503, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 0, dependent unconditional: 503, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5403, independent: 5376, independent conditional: 0, independent unconditional: 5376, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5403, independent: 5368, independent conditional: 0, independent unconditional: 5368, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2245, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 2135, unknown conditional: 0, unknown unconditional: 2135] , Protected Queries: 0 ], Cache Queries: [ total: 19999, independent: 14116, independent conditional: 0, independent unconditional: 14116, dependent: 478, dependent conditional: 0, dependent unconditional: 478, unknown: 5405, unknown conditional: 0, unknown unconditional: 5405] , Statistics on independence cache: Total cache size (in pairs): 5401, Positive cache size: 5376, Positive conditional cache size: 0, Positive unconditional cache size: 5376, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 341, Maximal queried relation: 3, Independence queries for same thread: 1112 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.3s, Number of persistent set computation: 1953, Number of trivial persistent sets: 1222, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8539, independent: 8514, independent conditional: 0, independent unconditional: 8514, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20770, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 1275, dependent conditional: 1252, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19658, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 163, dependent conditional: 140, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19658, independent: 19492, independent conditional: 10978, independent unconditional: 8514, dependent: 163, dependent conditional: 140, dependent unconditional: 23, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 340, dependent unconditional: 163, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 0, dependent unconditional: 503, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19999, independent: 19492, independent conditional: 0, independent unconditional: 19492, dependent: 503, dependent conditional: 0, dependent unconditional: 503, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5403, independent: 5376, independent conditional: 0, independent unconditional: 5376, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5403, independent: 5368, independent conditional: 0, independent unconditional: 5368, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2245, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 2135, unknown conditional: 0, unknown unconditional: 2135] , Protected Queries: 0 ], Cache Queries: [ total: 19999, independent: 14116, independent conditional: 0, independent unconditional: 14116, dependent: 478, dependent conditional: 0, dependent unconditional: 478, unknown: 5405, unknown conditional: 0, unknown unconditional: 5405] , Statistics on independence cache: Total cache size (in pairs): 5401, Positive cache size: 5376, Positive conditional cache size: 0, Positive unconditional cache size: 5376, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 341, Maximal queried relation: 3, Independence queries for same thread: 1112 - PositiveResult [Line: 725]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 725]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 236 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.1s, 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: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 393 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 645 SizeOfPredicates, 6 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 78/103 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, 236 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 2.3s, 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: 0, 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: 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, 236 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.5s, 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: 17, 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, 0.4s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 24/49 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 00:11:12,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2022-11-15 00:11:13,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2022-11-15 00:11:13,267 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 00:11:13,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...