/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 interpolation-heuristic=FIRST --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_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:09:06,541 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-24 16:09:06,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:09:06,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:09:06,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:09:06,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:09:06,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:09:06,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:09:06,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:09:06,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:09:06,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:09:06,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:09:06,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:09:06,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:09:06,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 16:09:06,636 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 16:09:06,693 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:09:06,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:09:06,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:09:06,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:09:06,696 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:09:06,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:09:06,696 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:09:06,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:09:06,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:09:06,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:09:06,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:09:06,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:09:06,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:09:06,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:09:06,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:09:06,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:09:06,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:09:06,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:09:06,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:09:06,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:09:06,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:09:06,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:09:06,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:09:06,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:09:06,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:09:06,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:09:06,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:09:06,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:09:06,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:09:06,701 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:09:07,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:09:07,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:09:07,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:09:07,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:09:07,165 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:09:07,166 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-09-24 16:09:07,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06e3804f1/8d360e481184406a970b264fc609629e/FLAG6dc12140b [2020-09-24 16:09:08,192 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:09:08,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-09-24 16:09:08,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06e3804f1/8d360e481184406a970b264fc609629e/FLAG6dc12140b [2020-09-24 16:09:08,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06e3804f1/8d360e481184406a970b264fc609629e [2020-09-24 16:09:08,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:09:08,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:09:08,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:08,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:09:08,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:09:08,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:08" (1/1) ... [2020-09-24 16:09:08,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cd1b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:08, skipping insertion in model container [2020-09-24 16:09:08,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:08" (1/1) ... [2020-09-24 16:09:08,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:09:08,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:09:12,543 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-24 16:09:12,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72e03d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:12, skipping insertion in model container [2020-09-24 16:09:12,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:12,546 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-24 16:09:12,551 INFO L168 Benchmark]: Toolchain (without parser) took 3867.93 ms. Allocated memory was 123.2 MB in the beginning and 171.4 MB in the end (delta: 48.2 MB). Free memory was 96.4 MB in the beginning and 114.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:12,552 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 89.7 MB in the beginning and 89.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-24 16:09:12,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3860.14 ms. Allocated memory was 123.2 MB in the beginning and 171.4 MB in the end (delta: 48.2 MB). Free memory was 95.7 MB in the beginning and 114.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:12,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 89.7 MB in the beginning and 89.6 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3860.14 ms. Allocated memory was 123.2 MB in the beginning and 171.4 MB in the end (delta: 48.2 MB). Free memory was 95.7 MB in the beginning and 114.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 40.9 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...