/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:54:10,285 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-24 22:54:10,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:54:10,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:54:10,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:54:10,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:54:10,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:54:10,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:54:10,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:54:10,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:54:10,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:54:10,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:54:10,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:54:10,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:54:10,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 22:54:10,360 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 [2020-09-24 22:54:10,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:54:10,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:54:10,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:54:10,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:54:10,389 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:54:10,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:54:10,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:54:10,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:54:10,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:54:10,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:54:10,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:54:10,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:54:10,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:54:10,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:54:10,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:54:10,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:54:10,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:54:10,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:54:10,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:54:10,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:54:10,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:54:10,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:54:10,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:54:10,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:54:10,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:54:10,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:54:10,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:54:10,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:54:10,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:54:10,394 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:54:10,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:54:10,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:54:10,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:54:10,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:54:10,954 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:54:10,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-09-24 22:54:11,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1166940f6/11c84934bf864aebb217ff6721364923/FLAGf688d7260 [2020-09-24 22:54:11,956 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:54:11,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-09-24 22:54:12,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1166940f6/11c84934bf864aebb217ff6721364923/FLAGf688d7260 [2020-09-24 22:54:12,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1166940f6/11c84934bf864aebb217ff6721364923 [2020-09-24 22:54:12,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:54:12,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:54:12,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:12,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:54:12,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:54:12,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:12" (1/1) ... [2020-09-24 22:54:12,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c590154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:12, skipping insertion in model container [2020-09-24 22:54:12,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:12" (1/1) ... [2020-09-24 22:54:12,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:54:12,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:54:16,923 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-24 22:54:16,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f68239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:16, skipping insertion in model container [2020-09-24 22:54:16,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:16,925 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-24 22:54:16,929 INFO L168 Benchmark]: Toolchain (without parser) took 4485.82 ms. Allocated memory was 140.0 MB in the beginning and 237.0 MB in the end (delta: 97.0 MB). Free memory was 92.5 MB in the beginning and 179.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:16,930 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:54:16,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4479.28 ms. Allocated memory was 140.0 MB in the beginning and 237.0 MB in the end (delta: 97.0 MB). Free memory was 91.8 MB in the beginning and 179.4 MB in the end (delta: -87.5 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-09-24 22:54:16,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4479.28 ms. Allocated memory was 140.0 MB in the beginning and 237.0 MB in the end (delta: 97.0 MB). Free memory was 91.8 MB in the beginning and 179.4 MB in the end (delta: -87.5 MB). Peak memory consumption was 41.3 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...