/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:54:09,027 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 23:54:09,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:54:09,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:54:09,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:54:09,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:54:09,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:54:09,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:54:09,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:54:09,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:54:09,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:54:09,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:54:09,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:54:09,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:54:09,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 23:54:09,117 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 [2020-08-21 23:54:09,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:54:09,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:54:09,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:54:09,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:54:09,166 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:54:09,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:54:09,166 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:54:09,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:54:09,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:54:09,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:54:09,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:54:09,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:54:09,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:54:09,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:54:09,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:54:09,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:54:09,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:54:09,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:54:09,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:54:09,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:54:09,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:54:09,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:54:09,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:54:09,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:54:09,172 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:54:09,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:54:09,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:54:09,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:54:09,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:54:09,549 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:54:09,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2020-08-21 23:54:09,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f84bfc5da/520f3728e78b4799952614be1d9f2691/FLAG6bf81d093 [2020-08-21 23:54:10,508 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:54:10,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2020-08-21 23:54:10,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f84bfc5da/520f3728e78b4799952614be1d9f2691/FLAG6bf81d093 [2020-08-21 23:54:10,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f84bfc5da/520f3728e78b4799952614be1d9f2691 [2020-08-21 23:54:10,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:54:10,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:54:10,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:54:10,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:54:10,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:54:10,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:54:10" (1/1) ... [2020-08-21 23:54:10,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c39f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:54:10, skipping insertion in model container [2020-08-21 23:54:10,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:54:10" (1/1) ... [2020-08-21 23:54:10,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:54:11,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:54:14,507 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-21 23:54:14,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28baae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:54:14, skipping insertion in model container [2020-08-21 23:54:14,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:54:14,508 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-21 23:54:14,511 INFO L168 Benchmark]: Toolchain (without parser) took 3530.69 ms. Allocated memory was 140.5 MB in the beginning and 236.5 MB in the end (delta: 95.9 MB). Free memory was 91.7 MB in the beginning and 177.4 MB in the end (delta: -85.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:54:14,512 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 23:54:14,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3527.49 ms. Allocated memory was 140.5 MB in the beginning and 236.5 MB in the end (delta: 95.9 MB). Free memory was 91.5 MB in the beginning and 177.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-08-21 23:54:14,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3527.49 ms. Allocated memory was 140.5 MB in the beginning and 236.5 MB in the end (delta: 95.9 MB). Free memory was 91.5 MB in the beginning and 177.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 40.5 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...