/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:34:51,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:34:51,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:34:51,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:34:51,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:34:51,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:34:51,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:34:51,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:34:51,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:34:51,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:34:51,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:34:51,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:34:51,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:34:51,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:34:51,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:34:51,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:34:51,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:34:51,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:34:51,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:34:51,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:34:51,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:34:51,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:34:51,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:34:51,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:34:51,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 15:34:51,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:34:51,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:34:51,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:34:51,397 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 [2020-08-18 15:34:51,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:34:51,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:34:51,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:34:51,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:34:51,446 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:34:51,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:34:51,446 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:34:51,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:34:51,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:34:51,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:34:51,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:34:51,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:34:51,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:34:51,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:34:51,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:34:51,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:34:51,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:34:51,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:34:51,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:34:51,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:34:51,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:34:51,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:34:51,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:34:51,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:34:51,453 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 -> false [2020-08-18 15:34:51,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:34:51,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:34:51,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:34:51,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:34:51,804 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:34:51,805 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2020-08-18 15:34:51,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c230b638d/a91badff34a54fe3af6aedb8c6deaaea/FLAG218006853 [2020-08-18 15:34:52,799 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:34:52,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2020-08-18 15:34:52,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c230b638d/a91badff34a54fe3af6aedb8c6deaaea/FLAG218006853 [2020-08-18 15:34:53,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c230b638d/a91badff34a54fe3af6aedb8c6deaaea [2020-08-18 15:34:53,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:34:53,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:34:53,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:34:53,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:34:53,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:34:53,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:34:53" (1/1) ... [2020-08-18 15:34:53,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bf213e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:34:53, skipping insertion in model container [2020-08-18 15:34:53,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:34:53" (1/1) ... [2020-08-18 15:34:53,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:34:53,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:34:57,080 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-18 15:34:57,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293ee678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:34:57, skipping insertion in model container [2020-08-18 15:34:57,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:34:57,082 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 15:34:57,086 INFO L168 Benchmark]: Toolchain (without parser) took 3803.98 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 91.1 MB in the beginning and 176.7 MB in the end (delta: -85.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-08-18 15:34:57,087 INFO L168 Benchmark]: CDTParser took 0.13 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. [2020-08-18 15:34:57,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3799.84 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 90.9 MB in the beginning and 176.7 MB in the end (delta: -85.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:34:57,091 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 3799.84 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 90.9 MB in the beginning and 176.7 MB in the end (delta: -85.8 MB). Peak memory consumption was 40.4 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...