/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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-c90d42b [2020-09-25 14:45:26,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:45:26,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:45:26,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:45:26,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:45:26,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:45:26,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:45:26,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:45:26,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:45:26,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:45:26,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:45:26,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:45:26,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:45:26,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:45:26,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:45:26,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:45:26,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:45:26,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:45:26,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:45:26,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:45:26,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:45:26,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:45:26,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:45:26,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:45:26,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:45:26,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:45:26,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:45:26,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:45:26,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:45:26,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:45:26,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:45:26,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:45:26,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:45:26,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:45:26,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:45:26,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:45:26,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:45:26,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:45:26,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:45:26,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:45:26,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:45:26,727 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 [2020-09-25 14:45:26,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:45:26,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:45:26,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:45:26,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:45:26,769 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:45:26,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:45:26,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:45:26,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:45:26,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:45:26,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:45:26,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:45:26,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:45:26,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:45:26,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:45:26,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:45:26,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:45:26,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:45:26,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:45:26,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:45:26,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:45:26,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:45:26,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:45:26,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:45:26,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:45:26,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:45:26,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:45:26,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:45:26,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:45:26,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:45:26,774 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:45:27,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:45:27,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:45:27,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:45:27,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:45:27,259 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:45:27,260 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-09-25 14:45:27,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/525d86e44/c30ccf2443cc4079a39fd62985b4f3f1/FLAG112b4dda9 [2020-09-25 14:45:28,306 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:45:28,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-09-25 14:45:28,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/525d86e44/c30ccf2443cc4079a39fd62985b4f3f1/FLAG112b4dda9 [2020-09-25 14:45:28,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/525d86e44/c30ccf2443cc4079a39fd62985b4f3f1 [2020-09-25 14:45:28,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:45:28,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:45:28,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:28,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:45:28,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:45:28,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:28" (1/1) ... [2020-09-25 14:45:28,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64641d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:28, skipping insertion in model container [2020-09-25 14:45:28,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:45:28" (1/1) ... [2020-09-25 14:45:28,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:45:28,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:45:32,759 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-25 14:45:32,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79262a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:45:32, skipping insertion in model container [2020-09-25 14:45:32,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:45:32,761 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 14:45:32,765 INFO L168 Benchmark]: Toolchain (without parser) took 4003.64 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 91.9 MB in the beginning and 177.8 MB in the end (delta: -85.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:32,766 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. [2020-09-25 14:45:32,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3995.43 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 91.4 MB in the beginning and 177.8 MB in the end (delta: -86.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:45:32,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3995.43 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 91.4 MB in the beginning and 177.8 MB in the end (delta: -86.4 MB). Peak memory consumption was 40.8 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...