/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-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 05:07:47,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 05:07:47,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 05:07:47,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 05:07:47,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 05:07:47,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 05:07:47,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 05:07:47,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 05:07:47,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 05:07:47,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 05:07:47,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 05:07:47,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 05:07:47,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 05:07:47,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 05:07:47,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 05:07:47,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 05:07:47,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 05:07:47,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 05:07:47,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 05:07:47,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 05:07:47,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 05:07:47,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 05:07:47,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 05:07:47,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 05:07:47,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 05:07:47,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 05:07:47,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 05:07:47,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 05:07:47,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 05:07:47,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 05:07:47,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 05:07:47,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 05:07:47,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 05:07:47,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 05:07:47,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 05:07:47,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 05:07:47,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 05:07:47,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 05:07:47,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 05:07:47,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 05:07:47,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 05:07:47,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 05:07:47,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 05:07:47,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 05:07:47,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 05:07:47,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 05:07:47,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 05:07:47,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 05:07:47,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 05:07:47,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 05:07:47,382 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 05:07:47,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 05:07:47,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 05:07:47,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 05:07:47,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 05:07:47,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 05:07:47,385 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 05:07:47,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 05:07:47,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 05:07:47,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 05:07:47,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 05:07:47,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 05:07:47,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2022-11-15 05:07:47,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6b7d86c/09016062486849ceb0d9261f2d4b17fe/FLAGfaad259ab [2022-11-15 05:07:48,063 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 05:07:48,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2022-11-15 05:07:48,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6b7d86c/09016062486849ceb0d9261f2d4b17fe/FLAGfaad259ab [2022-11-15 05:07:48,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6b7d86c/09016062486849ceb0d9261f2d4b17fe [2022-11-15 05:07:48,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 05:07:48,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 05:07:48,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 05:07:48,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 05:07:48,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 05:07:48,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73209a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48, skipping insertion in model container [2022-11-15 05:07:48,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 05:07:48,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 05:07:48,320 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 05:07:48,465 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-11-15 05:07:48,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 05:07:48,484 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 05:07:48,493 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 05:07:48,502 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2022-11-15 05:07:48,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 05:07:48,540 INFO L208 MainTranslator]: Completed translation [2022-11-15 05:07:48,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48 WrapperNode [2022-11-15 05:07:48,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 05:07:48,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 05:07:48,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 05:07:48,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 05:07:48,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,581 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-11-15 05:07:48,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 05:07:48,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 05:07:48,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 05:07:48,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 05:07:48,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 05:07:48,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 05:07:48,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 05:07:48,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 05:07:48,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (1/1) ... [2022-11-15 05:07:48,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 05:07:48,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 05:07:48,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-15 05:07:48,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-15 05:07:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 05:07:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 05:07:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 05:07:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 05:07:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-15 05:07:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 05:07:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 05:07:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 05:07:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 05:07:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 05:07:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 05:07:48,667 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 05:07:48,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 05:07:48,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 05:07:48,975 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 05:07:48,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 05:07:48,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 05:07:48,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:07:48 BoogieIcfgContainer [2022-11-15 05:07:48,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 05:07:48,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 05:07:48,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 05:07:48,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 05:07:48,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 05:07:48" (1/3) ... [2022-11-15 05:07:48,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fbd2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:07:48, skipping insertion in model container [2022-11-15 05:07:48,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:07:48" (2/3) ... [2022-11-15 05:07:48,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fbd2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:07:48, skipping insertion in model container [2022-11-15 05:07:48,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:07:48" (3/3) ... [2022-11-15 05:07:48,986 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2022-11-15 05:07:48,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 05:07:48,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 05:07:48,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-15 05:07:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fbd2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 05:07:48, skipping insertion in model container [2022-11-15 05:07:48,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 05:07:48,999 INFO L158 Benchmark]: Toolchain (without parser) took 904.65ms. Allocated memory is still 211.8MB. Free memory was 149.9MB in the beginning and 137.7MB in the end (delta: 12.3MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,000 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory was 168.5MB in the beginning and 168.4MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 05:07:49,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.99ms. Allocated memory is still 211.8MB. Free memory was 149.7MB in the beginning and 160.8MB in the end (delta: -11.0MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.91ms. Allocated memory is still 211.8MB. Free memory was 160.8MB in the beginning and 158.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,002 INFO L158 Benchmark]: Boogie Preprocessor took 16.44ms. Allocated memory is still 211.8MB. Free memory was 158.4MB in the beginning and 156.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,003 INFO L158 Benchmark]: RCFGBuilder took 382.73ms. Allocated memory is still 211.8MB. Free memory was 156.7MB in the beginning and 140.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,003 INFO L158 Benchmark]: TraceAbstraction took 15.50ms. Allocated memory is still 211.8MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 05:07:49,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory was 168.5MB in the beginning and 168.4MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 444.99ms. Allocated memory is still 211.8MB. Free memory was 149.7MB in the beginning and 160.8MB in the end (delta: -11.0MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.91ms. Allocated memory is still 211.8MB. Free memory was 160.8MB in the beginning and 158.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.44ms. Allocated memory is still 211.8MB. Free memory was 158.4MB in the beginning and 156.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 382.73ms. Allocated memory is still 211.8MB. Free memory was 156.7MB in the beginning and 140.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 15.50ms. Allocated memory is still 211.8MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-15 05:07:49,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...