/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:44:21,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:44:21,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:44:21,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:44:21,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:44:21,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:44:21,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:44:21,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:44:21,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:44:21,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:44:21,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:44:21,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:44:21,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:44:21,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:44:21,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:44:21,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:44:21,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:44:21,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:44:21,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:44:21,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:44:21,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:44:21,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:44:21,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:44:21,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:44:21,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:44:21,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:44:21,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:44:21,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:44:21,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:44:21,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:44:21,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:44:21,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:44:21,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:44:21,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:44:21,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:44:21,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:44:21,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:44:21,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:44:21,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:44:21,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:44:21,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:44:21,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:44:21,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:44:21,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:44:21,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:44:21,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:44:21,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:44:21,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:44:21,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:44:21,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:44:21,474 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:44:21,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:44:21,474 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:44:21,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:44:21,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:44:21,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:44:21,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:21,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:44:21,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:44:21,477 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:44:21,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:44:21,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:44:21,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:44:21,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:44:21,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:44:21,682 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:44:21,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2022-09-16 12:44:21,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254196669/49cfbab749e6455fb08b2bc5ec38d332/FLAG6697fc12b [2022-09-16 12:44:22,198 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:44:22,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2022-09-16 12:44:22,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254196669/49cfbab749e6455fb08b2bc5ec38d332/FLAG6697fc12b [2022-09-16 12:44:22,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254196669/49cfbab749e6455fb08b2bc5ec38d332 [2022-09-16 12:44:22,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:44:22,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:44:22,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:22,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:44:22,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:44:22,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:22" (1/1) ... [2022-09-16 12:44:22,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6697f1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:22, skipping insertion in model container [2022-09-16 12:44:22,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:44:22" (1/1) ... [2022-09-16 12:44:22,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:44:22,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:44:22,704 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:22,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2022-09-16 12:44:22,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2022-09-16 12:44:22,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2022-09-16 12:44:22,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2022-09-16 12:44:22,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2022-09-16 12:44:22,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2022-09-16 12:44:23,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2022-09-16 12:44:23,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2022-09-16 12:44:23,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2022-09-16 12:44:23,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:23,015 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:44:23,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-09-16 12:44:23,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2022-09-16 12:44:23,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2022-09-16 12:44:23,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2022-09-16 12:44:23,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2022-09-16 12:44:23,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2022-09-16 12:44:23,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2022-09-16 12:44:23,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2022-09-16 12:44:23,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2022-09-16 12:44:23,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2022-09-16 12:44:23,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:44:23,124 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:44:23,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23 WrapperNode [2022-09-16 12:44:23,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:44:23,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:23,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:44:23,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:44:23,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,190 INFO L138 Inliner]: procedures = 278, calls = 103, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 424 [2022-09-16 12:44:23,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:44:23,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:44:23,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:44:23,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:44:23,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:44:23,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:44:23,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:44:23,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:44:23,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (1/1) ... [2022-09-16 12:44:23,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:44:23,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:23,267 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) [2022-09-16 12:44:23,275 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 [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-16 12:44:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:44:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 12:44:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:44:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 12:44:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:44:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:44:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:44:23,304 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:44:23,515 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:44:23,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:44:24,092 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:44:24,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:44:24,107 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-16 12:44:24,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:24 BoogieIcfgContainer [2022-09-16 12:44:24,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:44:24,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:44:24,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:44:24,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:44:24,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:44:22" (1/3) ... [2022-09-16 12:44:24,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e7acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:24, skipping insertion in model container [2022-09-16 12:44:24,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:44:23" (2/3) ... [2022-09-16 12:44:24,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8e7acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:44:24, skipping insertion in model container [2022-09-16 12:44:24,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:44:24" (3/3) ... [2022-09-16 12:44:24,116 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2022-09-16 12:44:24,123 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:44:24,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:44:24,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 12:44:24,132 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:44:24,255 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 12:44:24,300 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:24,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:44:24,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:24,303 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) [2022-09-16 12:44:24,308 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 [2022-09-16 12:44:24,333 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:44:24,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherThread1of1ForFork0 ======== [2022-09-16 12:44:24,347 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;@7e7e521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:44:24,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-09-16 12:44:24,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:24,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:24,431 INFO L85 PathProgramCache]: Analyzing trace with hash -255469066, now seen corresponding path program 1 times [2022-09-16 12:44:24,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:24,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287577716] [2022-09-16 12:44:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:24,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:24,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287577716] [2022-09-16 12:44:24,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287577716] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:24,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:24,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:24,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634805549] [2022-09-16 12:44:24,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:24,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 12:44:24,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:24,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 12:44:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 12:44:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:24,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:24,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 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) [2022-09-16 12:44:24,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:24,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 12:44:24,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:24,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:24,762 INFO L85 PathProgramCache]: Analyzing trace with hash 496555174, now seen corresponding path program 1 times [2022-09-16 12:44:24,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:24,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795916867] [2022-09-16 12:44:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:24,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:24,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:24,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795916867] [2022-09-16 12:44:24,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795916867] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:24,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:24,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:24,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857549491] [2022-09-16 12:44:24,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:24,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:24,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:24,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:24,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:24,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:24,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 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) [2022-09-16 12:44:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:24,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 12:44:25,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:25,170 INFO L85 PathProgramCache]: Analyzing trace with hash 291055584, now seen corresponding path program 1 times [2022-09-16 12:44:25,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:25,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988165484] [2022-09-16 12:44:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-09-16 12:44:25,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:25,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988165484] [2022-09-16 12:44:25,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988165484] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:25,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:44:25,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:44:25,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024339535] [2022-09-16 12:44:25,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:25,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:44:25,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:25,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:44:25,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:44:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:25,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 66.5) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-09-16 12:44:25,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 12:44:25,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-09-16 12:44:25,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:44:25,368 INFO L85 PathProgramCache]: Analyzing trace with hash 432789727, now seen corresponding path program 1 times [2022-09-16 12:44:25,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:44:25,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203680573] [2022-09-16 12:44:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:25,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:44:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:25,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:44:25,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203680573] [2022-09-16 12:44:25,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203680573] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:44:25,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528079065] [2022-09-16 12:44:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:44:25,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:44:25,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:44:25,491 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) [2022-09-16 12:44:25,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-16 12:44:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:44:25,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:44:25,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:44:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 12:44:25,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:44:25,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528079065] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:44:25,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:44:25,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:44:25,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244384408] [2022-09-16 12:44:25,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:44:25,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:44:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:44:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:44:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:44:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:44:25,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 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) [2022-09-16 12:44:25,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:44:25,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:44:25,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:45:28,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-09-16 12:45:28,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-09-16 12:45:28,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-09-16 12:45:28,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-09-16 12:45:28,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-16 12:45:28,947 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,SelfDestructingSolverStorable3 [2022-09-16 12:45:28,954 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 12:45:28,955 INFO L307 ceAbstractionStarter]: Result for error location pusherThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/2) [2022-09-16 12:45:28,964 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:28,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:45:28,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:28,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-16 12:45:28,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-16 12:45:28,972 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:45:28,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-09-16 12:45:28,973 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;@7e7e521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:45:28,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 12:45:44,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:44,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:44,274 INFO L85 PathProgramCache]: Analyzing trace with hash 460255632, now seen corresponding path program 1 times [2022-09-16 12:45:44,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:44,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472068622] [2022-09-16 12:45:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:44,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2022-09-16 12:45:44,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:44,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472068622] [2022-09-16 12:45:44,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472068622] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:44,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:44,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220378123] [2022-09-16 12:45:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:44,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-16 12:45:44,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:44,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-16 12:45:44,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-16 12:45:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:44,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:44,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 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) [2022-09-16 12:45:44,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:44,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 12:45:44,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:44,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1890172046, now seen corresponding path program 1 times [2022-09-16 12:45:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:44,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626937253] [2022-09-16 12:45:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2022-09-16 12:45:45,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:45,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626937253] [2022-09-16 12:45:45,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626937253] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:45,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:45,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:45,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163607661] [2022-09-16 12:45:45,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:45,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:45,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:45,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:45,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 163.5) internal successors, (327), 3 states have internal predecessors, (327), 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) [2022-09-16 12:45:45,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:45,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 12:45:45,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash 2144523102, now seen corresponding path program 1 times [2022-09-16 12:45:45,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:45,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973568927] [2022-09-16 12:45:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6949 backedges. 3817 proven. 0 refuted. 0 times theorem prover too weak. 3132 trivial. 0 not checked. [2022-09-16 12:45:46,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:46,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973568927] [2022-09-16 12:45:46,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973568927] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:46,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 12:45:46,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 12:45:46,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22122996] [2022-09-16 12:45:46,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 12:45:46,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 12:45:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 12:45:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:46,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 295.0) internal successors, (590), 3 states have internal predecessors, (590), 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) [2022-09-16 12:45:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:46,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 12:45:46,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 12:45:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 12:45:46,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2055707685, now seen corresponding path program 1 times [2022-09-16 12:45:46,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 12:45:46,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039317335] [2022-09-16 12:45:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:46,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 12:45:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6950 backedges. 0 proven. 3819 refuted. 0 times theorem prover too weak. 3131 trivial. 0 not checked. [2022-09-16 12:45:48,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 12:45:48,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039317335] [2022-09-16 12:45:48,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039317335] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-16 12:45:48,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704612117] [2022-09-16 12:45:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 12:45:48,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:45:48,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:45:48,236 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) [2022-09-16 12:45:48,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-16 12:45:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 12:45:49,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 4120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-16 12:45:49,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-16 12:45:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6950 backedges. 3819 proven. 0 refuted. 0 times theorem prover too weak. 3131 trivial. 0 not checked. [2022-09-16 12:45:51,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-16 12:45:51,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704612117] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 12:45:51,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-16 12:45:51,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-09-16 12:45:51,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919616188] [2022-09-16 12:45:51,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 12:45:51,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 12:45:51,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 12:45:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 12:45:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 12:45:51,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:51,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-16 12:45:51,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 197.0) internal successors, (591), 4 states have internal predecessors, (591), 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) [2022-09-16 12:45:51,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:45:51,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:51,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:45:51,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:46:33,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-16 12:46:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:46:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 12:46:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 12:46:33,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 12:46:33,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 12:46:33,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-09-16 12:46:33,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-09-16 12:46:33,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 12:46:33,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-16 12:46:34,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-16 12:46:34,105 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 12:46:34,105 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2022-09-16 12:46:34,106 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 12:46:34,106 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 12:46:34,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:46:34 BasicIcfg [2022-09-16 12:46:34,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 12:46:34,110 INFO L158 Benchmark]: Toolchain (without parser) took 131593.83ms. Allocated memory was 268.4MB in the beginning and 832.6MB in the end (delta: 564.1MB). Free memory was 237.1MB in the beginning and 422.9MB in the end (delta: -185.8MB). Peak memory consumption was 554.9MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,110 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:46:34,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.98ms. Allocated memory is still 268.4MB. Free memory was 237.1MB in the beginning and 215.9MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.53ms. Allocated memory is still 268.4MB. Free memory was 215.9MB in the beginning and 211.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,111 INFO L158 Benchmark]: Boogie Preprocessor took 42.42ms. Allocated memory is still 268.4MB. Free memory was 211.7MB in the beginning and 208.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,111 INFO L158 Benchmark]: RCFGBuilder took 875.84ms. Allocated memory is still 268.4MB. Free memory was 208.0MB in the beginning and 169.2MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,111 INFO L158 Benchmark]: TraceAbstraction took 129998.29ms. Allocated memory was 268.4MB in the beginning and 832.6MB in the end (delta: 564.1MB). Free memory was 168.7MB in the beginning and 422.9MB in the end (delta: -254.2MB). Peak memory consumption was 487.1MB. Max. memory is 8.0GB. [2022-09-16 12:46:34,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 606.98ms. Allocated memory is still 268.4MB. Free memory was 237.1MB in the beginning and 215.9MB in the end (delta: 21.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.53ms. Allocated memory is still 268.4MB. Free memory was 215.9MB in the beginning and 211.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.42ms. Allocated memory is still 268.4MB. Free memory was 211.7MB in the beginning and 208.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 875.84ms. Allocated memory is still 268.4MB. Free memory was 208.0MB in the beginning and 169.2MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 129998.29ms. Allocated memory was 268.4MB in the beginning and 832.6MB in the end (delta: 564.1MB). Free memory was 168.7MB in the beginning and 422.9MB in the end (delta: -254.2MB). Peak memory consumption was 487.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 104581, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 3851, negative conditional: 2941, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102586, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 1856, negative conditional: 946, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102586, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 1856, negative conditional: 946, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 2359, negative unconditional: 1856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 0, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 0, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39617, positive: 38707, positive conditional: 0, positive unconditional: 38707, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39617, positive: 38707, positive conditional: 0, positive unconditional: 38707, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 910, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 854, negative conditional: 0, negative unconditional: 854, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61607, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1640, negative conditional: 0, negative unconditional: 1640, unknown: 59967, unknown conditional: 0, unknown unconditional: 59967] ], Cache Queries: [ total: 104945, positive: 62023, positive conditional: 0, positive unconditional: 62023, negative: 3305, negative conditional: 0, negative unconditional: 3305, unknown: 39617, unknown conditional: 0, unknown unconditional: 39617] , Statistics on independence cache: Total cache size (in pairs): 39617, Positive cache size: 38707, Positive conditional cache size: 0, Positive unconditional cache size: 38707, Negative cache size: 910, Negative conditional cache size: 0, Negative unconditional cache size: 910, Eliminated conditions: 2359, Maximal queried relation: 3, Independence queries for same thread: 1995 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 62.1s, Number of persistent set computation: 6915, Number of trivial persistent sets: 4140, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87676, positive: 86766, positive conditional: 0, positive unconditional: 86766, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 104581, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 3851, negative conditional: 2941, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102586, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 1856, negative conditional: 946, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102586, positive: 100730, positive conditional: 13964, positive unconditional: 86766, negative: 1856, negative conditional: 946, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 2359, negative unconditional: 1856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 0, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104945, positive: 100730, positive conditional: 0, positive unconditional: 100730, negative: 4215, negative conditional: 0, negative unconditional: 4215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39617, positive: 38707, positive conditional: 0, positive unconditional: 38707, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39617, positive: 38707, positive conditional: 0, positive unconditional: 38707, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 910, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 854, negative conditional: 0, negative unconditional: 854, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61607, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1640, negative conditional: 0, negative unconditional: 1640, unknown: 59967, unknown conditional: 0, unknown unconditional: 59967] ], Cache Queries: [ total: 104945, positive: 62023, positive conditional: 0, positive unconditional: 62023, negative: 3305, negative conditional: 0, negative unconditional: 3305, unknown: 39617, unknown conditional: 0, unknown unconditional: 39617] , Statistics on independence cache: Total cache size (in pairs): 39617, Positive cache size: 38707, Positive conditional cache size: 0, Positive unconditional cache size: 38707, Negative cache size: 910, Negative conditional cache size: 0, Negative unconditional cache size: 910, Eliminated conditions: 2359, Maximal queried relation: 3, Independence queries for same thread: 1995 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 116197, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 5011, negative conditional: 4199, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113340, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 2154, negative conditional: 1342, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 113340, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 2154, negative conditional: 1342, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 2778, negative unconditional: 2154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 0, negative unconditional: 4932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 0, negative unconditional: 4932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37758, positive: 36946, positive conditional: 0, positive unconditional: 36946, negative: 812, negative conditional: 0, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37758, positive: 36946, positive conditional: 0, positive unconditional: 36946, negative: 812, negative conditional: 0, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 812, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 756, negative conditional: 0, negative unconditional: 756, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57174, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 55992, unknown conditional: 0, unknown unconditional: 55992] ], Cache Queries: [ total: 116118, positive: 74240, positive conditional: 0, positive unconditional: 74240, negative: 4120, negative conditional: 0, negative unconditional: 4120, unknown: 37758, unknown conditional: 0, unknown unconditional: 37758] , Statistics on independence cache: Total cache size (in pairs): 37758, Positive cache size: 36946, Positive conditional cache size: 0, Positive unconditional cache size: 36946, Negative cache size: 812, Negative conditional cache size: 0, Negative unconditional cache size: 812, Eliminated conditions: 2778, Maximal queried relation: 3, Independence queries for same thread: 2857 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 57.4s, Number of persistent set computation: 6807, Number of trivial persistent sets: 3773, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 92486, positive: 91674, positive conditional: 0, positive unconditional: 91674, negative: 812, negative conditional: 0, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 116197, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 5011, negative conditional: 4199, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113340, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 2154, negative conditional: 1342, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 113340, positive: 111186, positive conditional: 19512, positive unconditional: 91674, negative: 2154, negative conditional: 1342, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 2778, negative unconditional: 2154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 0, negative unconditional: 4932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116118, positive: 111186, positive conditional: 0, positive unconditional: 111186, negative: 4932, negative conditional: 0, negative unconditional: 4932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37758, positive: 36946, positive conditional: 0, positive unconditional: 36946, negative: 812, negative conditional: 0, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37758, positive: 36946, positive conditional: 0, positive unconditional: 36946, negative: 812, negative conditional: 0, negative unconditional: 812, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 812, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 756, negative conditional: 0, negative unconditional: 756, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57174, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 55992, unknown conditional: 0, unknown unconditional: 55992] ], Cache Queries: [ total: 116118, positive: 74240, positive conditional: 0, positive unconditional: 74240, negative: 4120, negative conditional: 0, negative unconditional: 4120, unknown: 37758, unknown conditional: 0, unknown unconditional: 37758] , Statistics on independence cache: Total cache size (in pairs): 37758, Positive cache size: 36946, Positive conditional cache size: 0, Positive unconditional cache size: 36946, Negative cache size: 812, Negative conditional cache size: 0, Negative unconditional cache size: 812, Eliminated conditions: 2778, Maximal queried relation: 3, Independence queries for same thread: 2857 - PositiveResult [Line: 1085]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1085]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1084]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1084]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1096]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1096]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1093]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1093]: 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: pusherThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 550 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 64.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 63.3s, 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: 12, 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, 0.4s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 461 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5/8 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 3 procedures, 550 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 65.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 58.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 6459 NumberOfCodeBlocks, 6459 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 6454 ConstructedInterpolants, 0 QuantifiedInterpolants, 15424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4120 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 20759/24578 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 12:46:34,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-16 12:46:34,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-16 12:46:34,568 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...