/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true -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 0.1.25-5644d1e-m [2020-08-18 16:23:00,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:23:00,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:23:00,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-18 16:23:00,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:23:00,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:23:00,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:23:00,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:23:00,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:23:00,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:23:00,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:23:00,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:23:00,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:23:00,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:23:00,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:23:00,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:23:00,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 16:23:00,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:23:00,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:23:00,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:23:00,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:23:00,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:23:00,823 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:23:00,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:23:00,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:23:00,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:23:00,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:23:00,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:23:00,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:23:00,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:23:00,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:23:00,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:23:00,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:23:00,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:23:00,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:23:00,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:23:00,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:23:00,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:23:00,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:23:00,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:23:00,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:23:00,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:23:00,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:23:00,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:23:00,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:23:00,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:23:00,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:23:00,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 16:23:01,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:23:01,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:23:01,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:23:01,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:23:01,174 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:23:01,175 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-08-18 16:23:01,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3886dec88/b0e6b47c18dc4e33979b8528d4e74e8d/FLAG8131f2bd6 [2020-08-18 16:23:02,061 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:23:02,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-08-18 16:23:02,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3886dec88/b0e6b47c18dc4e33979b8528d4e74e8d/FLAG8131f2bd6 [2020-08-18 16:23:02,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3886dec88/b0e6b47c18dc4e33979b8528d4e74e8d [2020-08-18 16:23:02,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:23:02,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:23:02,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:23:02,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:23:02,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:23:02,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:23:02" (1/1) ... [2020-08-18 16:23:02,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2736866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:23:02, skipping insertion in model container [2020-08-18 16:23:02,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:23:02" (1/1) ... [2020-08-18 16:23:02,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:23:02,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:23:06,377 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-18 16:23:06,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4859d360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:23:06, skipping insertion in model container [2020-08-18 16:23:06,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:23:06,379 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 16:23:06,382 INFO L168 Benchmark]: Toolchain (without parser) took 3770.80 ms. Allocated memory was 140.5 MB in the beginning and 237.5 MB in the end (delta: 97.0 MB). Free memory was 92.0 MB in the beginning and 179.5 MB in the end (delta: -87.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:23:06,382 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 16:23:06,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3767.39 ms. Allocated memory was 140.5 MB in the beginning and 237.5 MB in the end (delta: 97.0 MB). Free memory was 91.8 MB in the beginning and 179.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-08-18 16:23:06,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3767.39 ms. Allocated memory was 140.5 MB in the beginning and 237.5 MB in the end (delta: 97.0 MB). Free memory was 91.8 MB in the beginning and 179.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 40.6 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...