/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:50:47,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:50:47,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:50:47,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 13:50:47,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:50:47,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:50:47,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:50:47,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:50:47,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:50:47,320 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:50:47,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:50:47,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:50:47,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:50:47,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:50:47,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:50:47,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:50:47,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:50:47,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:50:47,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:50:47,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:50:47,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:50:47,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:50:47,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:50:47,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:50:47,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:50:47,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:50:47,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:50:47,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:50:47,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:50:47,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:50:47,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:50:47,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:50:47,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:50:47,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:50:47,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:50:47,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:50:47,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:50:47,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:50:47,753 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:50:47,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-02-23 13:50:47,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6feee4ba6/173350d469c6402ebc92bca0ee4ab29a/FLAG49fdd0465 [2021-02-23 13:50:48,995 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:50:48,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-02-23 13:50:49,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6feee4ba6/173350d469c6402ebc92bca0ee4ab29a/FLAG49fdd0465 [2021-02-23 13:50:49,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6feee4ba6/173350d469c6402ebc92bca0ee4ab29a [2021-02-23 13:50:49,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:50:49,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:50:49,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:50:49,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:50:49,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:50:49,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:50:49" (1/1) ... [2021-02-23 13:50:49,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6814da24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:50:49, skipping insertion in model container [2021-02-23 13:50:49,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:50:49" (1/1) ... [2021-02-23 13:50:49,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:50:49,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:50:49,998 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_nvram_llseek_read_nvram.i[5469,5482] [2021-02-23 13:50:52,884 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-02-23 13:50:52,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f73a392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:50:52, skipping insertion in model container [2021-02-23 13:50:52,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:50:52,886 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-02-23 13:50:52,889 INFO L168 Benchmark]: Toolchain (without parser) took 3502.68 ms. Allocated memory is still 169.9 MB. Free memory was 133.2 MB in the beginning and 108.2 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:50:52,890 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 169.9 MB. Free memory is still 140.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:50:52,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3485.02 ms. Allocated memory is still 169.9 MB. Free memory was 131.9 MB in the beginning and 108.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:50:52,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 169.9 MB. Free memory is still 140.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 3485.02 ms. Allocated memory is still 169.9 MB. Free memory was 131.9 MB in the beginning and 108.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.5 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...