/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 02:31:42,364 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-10 02:31:42,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 02:31:42,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 02:31:42,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 02:31:42,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 02:31:42,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 02:31:42,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 02:31:42,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 02:31:42,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 02:31:42,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 02:31:42,462 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 02:31:42,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 02:31:42,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 02:31:42,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 02:31:42,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 02:31:42,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 02:31:42,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 02:31:42,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 02:31:42,465 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 02:31:42,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 02:31:42,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 02:31:42,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 02:31:42,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 02:31:42,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 02:31:42,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 02:31:42,657 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 02:31:42,658 INFO L432 ainManager$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 [2022-11-10 02:31:42,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a467c855b/63d5027d380a4628a2df466588d7d706/FLAG7ae4c4abc [2022-11-10 02:31:43,285 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 02:31:43,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-10 02:31:43,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a467c855b/63d5027d380a4628a2df466588d7d706/FLAG7ae4c4abc [2022-11-10 02:31:43,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a467c855b/63d5027d380a4628a2df466588d7d706 [2022-11-10 02:31:43,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 02:31:43,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 02:31:43,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 02:31:43,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 02:31:43,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 02:31:43,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:31:43" (1/1) ... [2022-11-10 02:31:43,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444d1b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:43, skipping insertion in model container [2022-11-10 02:31:43,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:31:43" (1/1) ... [2022-11-10 02:31:43,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 02:31:43,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 02:31:43,827 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] [2022-11-10 02:31:45,564 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-10 02:31:45,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2448a3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:31:45, skipping insertion in model container [2022-11-10 02:31:45,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 02:31:45,566 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-10 02:31:45,567 INFO L158 Benchmark]: Toolchain (without parser) took 2120.61ms. Allocated memory was 195.0MB in the beginning and 250.6MB in the end (delta: 55.6MB). Free memory was 152.1MB in the beginning and 174.5MB in the end (delta: -22.5MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-11-10 02:31:45,568 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 150.5MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 02:31:45,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2117.77ms. Allocated memory was 195.0MB in the beginning and 250.6MB in the end (delta: 55.6MB). Free memory was 151.7MB in the beginning and 174.5MB in the end (delta: -22.8MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-11-10 02:31:45,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 195.0MB. Free memory was 150.7MB in the beginning and 150.5MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2117.77ms. Allocated memory was 195.0MB in the beginning and 250.6MB in the end (delta: 55.6MB). Free memory was 151.7MB in the beginning and 174.5MB in the end (delta: -22.8MB). Peak memory consumption was 34.6MB. 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...