/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:19:11,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:19:11,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:19:11,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:19:11,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:19:11,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:19:11,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:19:11,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:19:11,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:19:11,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:19:11,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:19:11,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:19:11,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:19:11,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:19:11,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:19:11,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:19:11,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:19:11,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:19:11,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:19:11,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:19:11,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:19:11,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:19:11,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:19:11,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:19:11,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:19:11,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:19:11,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:19:11,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:19:11,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:19:11,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:19:11,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:19:11,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:19:11,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:19:11,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:19:11,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:19:11,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:19:11,805 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:19:11,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:19:11,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:19:11,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:19:11,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:19:11,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:19:11,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:19:11,807 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:19:11,807 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:19:12,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:19:12,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:19:12,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:19:12,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:19:12,223 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:19:12,224 INFO L432 ainManager$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 [2021-02-22 02:19:12,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273abb2b/76967d2b57314f6f865ab33ee957f441/FLAGe295fa573 [2021-02-22 02:19:13,279 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:19:13,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-02-22 02:19:13,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273abb2b/76967d2b57314f6f865ab33ee957f441/FLAGe295fa573 [2021-02-22 02:19:13,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a273abb2b/76967d2b57314f6f865ab33ee957f441 [2021-02-22 02:19:13,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:19:13,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:19:13,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:19:13,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:19:13,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:19:13,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:19:13" (1/1) ... [2021-02-22 02:19:13,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e280ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:13, skipping insertion in model container [2021-02-22 02:19:13,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:19:13" (1/1) ... [2021-02-22 02:19:13,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:19:13,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:19:14,290 WARN L226 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] [2021-02-22 02:19:17,743 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-02-22 02:19:17,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2aa1c63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:19:17, skipping insertion in model container [2021-02-22 02:19:17,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:19:17,745 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-02-22 02:19:17,748 INFO L168 Benchmark]: Toolchain (without parser) took 4015.13 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 86.8 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:17,749 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:19:17,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4002.03 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 86.8 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:19:17,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 4002.03 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 86.8 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * 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...