/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-driver-races/char_generic_nvram_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:43:35,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:43:35,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:43:35,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 12:43:35,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:43:35,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:43:35,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:43:35,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:43:35,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:43:35,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:43:35,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:43:35,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:43:35,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:43:35,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:43:35,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:43:35,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:43:35,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 12:43:35,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:43:35,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:43:35,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:43:35,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:43:35,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:43:35,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:43:35,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:43:35,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:43:35,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:43:35,709 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:43:35,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:43:35,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:43:35,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:43:35,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:43:35,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:43:35,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:43:35,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:43:35,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:43:35,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:43:35,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:43:35,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:43:35,714 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:43:35,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:43:35,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:43:35,715 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:43:35,715 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:43:35,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:43:35,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:43:35,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:43:35,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:43:35,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:43:35,985 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:43:35,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-09-16 12:43:36,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001a1f7a0/fa69e55ff8ee4d20b0101a025f4eee23/FLAGb3b7acc20 [2022-09-16 12:43:36,724 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:43:36,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-09-16 12:43:36,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001a1f7a0/fa69e55ff8ee4d20b0101a025f4eee23/FLAGb3b7acc20 [2022-09-16 12:43:36,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001a1f7a0/fa69e55ff8ee4d20b0101a025f4eee23 [2022-09-16 12:43:36,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:43:36,834 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:43:36,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:43:36,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:43:36,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:43:36,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:43:36" (1/1) ... [2022-09-16 12:43:36,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21991ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:43:36, skipping insertion in model container [2022-09-16 12:43:36,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:43:36" (1/1) ... [2022-09-16 12:43:36,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:43:36,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:43:37,277 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-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-09-16 12:43:39,019 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-09-16 12:43:39,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f47d464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:43:39, skipping insertion in model container [2022-09-16 12:43:39,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:43:39,021 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-09-16 12:43:39,022 INFO L158 Benchmark]: Toolchain (without parser) took 2186.91ms. Allocated memory was 177.2MB in the beginning and 234.9MB in the end (delta: 57.7MB). Free memory was 144.8MB in the beginning and 169.0MB in the end (delta: -24.3MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2022-09-16 12:43:39,023 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 12:43:39,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2183.72ms. Allocated memory was 177.2MB in the beginning and 234.9MB in the end (delta: 57.7MB). Free memory was 144.4MB in the beginning and 169.0MB in the end (delta: -24.6MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2022-09-16 12:43:39,024 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 177.2MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2183.72ms. Allocated memory was 177.2MB in the beginning and 234.9MB in the end (delta: 57.7MB). Free memory was 144.4MB in the beginning and 169.0MB in the end (delta: -24.6MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...