/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 0.1.25-86f66a4 [2020-07-07 11:31:16,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:31:16,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:31:16,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:31:16,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:31:16,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:31:16,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:31:16,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:31:16,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:31:16,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:31:16,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:31:16,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-07-07 11:31:16,991 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 [2020-07-07 11:31:17,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:31:17,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:31:17,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:31:17,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:31:17,006 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:31:17,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:31:17,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:31:17,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:31:17,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:31:17,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:31:17,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:31:17,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:31:17,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:31:17,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:31:17,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:31:17,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:31:17,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:31:17,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:31:17,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:31:17,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:31:17,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:31:17,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:31:17,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:31:17,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:31:17,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:31:17,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:31:17,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:31:17,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:31:17,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:31:17,289 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:31:17,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-07-07 11:31:17,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b141316f/2acf255b74fc4de8a087c094c2f7ce0c/FLAGbb41b96f7 [2020-07-07 11:31:18,205 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:31:18,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-07-07 11:31:18,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b141316f/2acf255b74fc4de8a087c094c2f7ce0c/FLAGbb41b96f7 [2020-07-07 11:31:18,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b141316f/2acf255b74fc4de8a087c094c2f7ce0c [2020-07-07 11:31:18,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:31:18,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:31:18,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:31:18,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:31:18,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:31:18,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:31:18" (1/1) ... [2020-07-07 11:31:18,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452e714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:31:18, skipping insertion in model container [2020-07-07 11:31:18,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:31:18" (1/1) ... [2020-07-07 11:31:18,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:31:18,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:31:22,408 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-07 11:31:22,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a27fcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:31:22, skipping insertion in model container [2020-07-07 11:31:22,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:31:22,410 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-07 11:31:22,412 INFO L168 Benchmark]: Toolchain (without parser) took 3718.77 ms. Allocated memory was 145.2 MB in the beginning and 234.4 MB in the end (delta: 89.1 MB). Free memory was 91.5 MB in the beginning and 175.6 MB in the end (delta: -84.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:31:22,413 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 11:31:22,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3715.78 ms. Allocated memory was 145.2 MB in the beginning and 234.4 MB in the end (delta: 89.1 MB). Free memory was 91.3 MB in the beginning and 176.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:31:22,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3715.78 ms. Allocated memory was 145.2 MB in the beginning and 234.4 MB in the end (delta: 89.1 MB). Free memory was 91.3 MB in the beginning and 176.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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...