/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 --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=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_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 00:35:47,729 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-28 00:35:47,856 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 [2020-08-28 00:35:47,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 00:35:47,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 00:35:47,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 00:35:47,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 00:35:47,885 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 00:35:47,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 00:35:47,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 00:35:47,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 00:35:47,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 00:35:47,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 00:35:47,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 00:35:47,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 00:35:47,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 00:35:47,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 00:35:47,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 00:35:47,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 00:35:47,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 00:35:47,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 00:35:47,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 00:35:47,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 00:35:47,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 00:35:47,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 00:35:47,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 00:35:47,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 00:35:47,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 00:35:47,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 00:35:47,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 00:35:47,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 00:35:47,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 00:35:47,890 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-08-28 00:35:48,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 00:35:48,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 00:35:48,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 00:35:48,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 00:35:48,373 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 00:35:48,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-08-28 00:35:48,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a33319bf/492188b4410c44449b5d61cc5a2b1e36/FLAG296bc0c37 [2020-08-28 00:35:49,410 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 00:35:49,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-08-28 00:35:49,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a33319bf/492188b4410c44449b5d61cc5a2b1e36/FLAG296bc0c37 [2020-08-28 00:35:49,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a33319bf/492188b4410c44449b5d61cc5a2b1e36 [2020-08-28 00:35:49,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 00:35:49,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 00:35:49,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 00:35:49,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 00:35:49,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 00:35:49,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:35:49" (1/1) ... [2020-08-28 00:35:49,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c04ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:35:49, skipping insertion in model container [2020-08-28 00:35:49,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:35:49" (1/1) ... [2020-08-28 00:35:49,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 00:35:50,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 00:35:53,548 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-28 00:35:53,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a91ccd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:35:53, skipping insertion in model container [2020-08-28 00:35:53,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 00:35:53,550 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-28 00:35:53,553 INFO L168 Benchmark]: Toolchain (without parser) took 3650.92 ms. Allocated memory was 140.5 MB in the beginning and 235.9 MB in the end (delta: 95.4 MB). Free memory was 92.2 MB in the beginning and 177.1 MB in the end (delta: -84.8 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2020-08-28 00:35:53,554 INFO L168 Benchmark]: CDTParser took 0.26 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. [2020-08-28 00:35:53,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3646.93 ms. Allocated memory was 140.5 MB in the beginning and 235.9 MB in the end (delta: 95.4 MB). Free memory was 91.8 MB in the beginning and 178.1 MB in the end (delta: -86.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2020-08-28 00:35:53,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 3646.93 ms. Allocated memory was 140.5 MB in the beginning and 235.9 MB in the end (delta: 95.4 MB). Free memory was 91.8 MB in the beginning and 178.1 MB in the end (delta: -86.2 MB). Peak memory consumption was 41.1 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...