/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=WIDEST --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_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 02:34:35,378 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-28 02:34:35,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 02:34:35,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 02:34:35,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 02:34:35,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 02:34:35,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 02:34:35,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 02:34:35,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 02:34:35,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 02:34:35,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 02:34:35,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 02:34:35,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 02:34:35,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 02:34:35,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 02:34:35,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 02:34:35,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 02:34:35,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 02:34:35,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 02:34:35,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 02:34:35,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 02:34:35,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 02:34:35,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-28 02:34:35,509 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 02:34:35,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 02:34:35,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 02:34:35,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 02:34:35,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 02:34:35,563 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 02:34:35,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 02:34:35,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 02:34:35,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 02:34:35,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 02:34:35,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 02:34:35,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 02:34:35,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 02:34:35,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 02:34:35,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 02:34:35,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 02:34:35,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 02:34:35,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 02:34:35,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 02:34:35,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 02:34:35,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 02:34:35,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 02:34:35,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 02:34:35,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 02:34:35,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 02:34:35,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 02:34:35,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 02:34:35,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 02:34:35,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 02:34:35,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 02:34:35,570 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=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-28 02:34:36,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 02:34:36,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 02:34:36,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 02:34:36,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 02:34:36,089 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 02:34:36,092 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-08-28 02:34:36,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9109d1938/e7a73ef90a4442e99b50e9fdc268617d/FLAG9614e9536 [2020-08-28 02:34:37,107 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 02:34:37,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-08-28 02:34:37,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9109d1938/e7a73ef90a4442e99b50e9fdc268617d/FLAG9614e9536 [2020-08-28 02:34:37,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9109d1938/e7a73ef90a4442e99b50e9fdc268617d [2020-08-28 02:34:37,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 02:34:37,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 02:34:37,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 02:34:37,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 02:34:37,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 02:34:37,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:34:37" (1/1) ... [2020-08-28 02:34:37,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:34:37, skipping insertion in model container [2020-08-28 02:34:37,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:34:37" (1/1) ... [2020-08-28 02:34:37,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 02:34:37,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 02:34:41,680 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-28 02:34:41,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ab1e439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:34:41, skipping insertion in model container [2020-08-28 02:34:41,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 02:34:41,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-28 02:34:41,686 INFO L168 Benchmark]: Toolchain (without parser) took 4053.74 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 91.9 MB in the beginning and 178.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2020-08-28 02:34:41,687 INFO L168 Benchmark]: CDTParser took 1.82 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-28 02:34:41,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4050.13 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 91.9 MB in the beginning and 178.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2020-08-28 02:34:41,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4050.13 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 91.9 MB in the beginning and 178.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 41.2 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...