/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_current.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:38:30,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:38:30,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:38:30,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:38:30,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:38:30,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:38:30,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:38:30,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:38:30,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:38:30,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:38:30,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:38:30,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:38:30,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:38:30,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:38:30,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:38:30,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:38:30,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:38:30,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:38:30,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:38:30,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:38:30,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:38:30,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:38:30,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:38:30,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:38:30,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:38:30,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:38:30,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:38:30,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:38:30,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:38:30,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:38:30,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:38:30,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:38:30,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:38:30,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:38:30,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:38:30,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:38:30,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:38:30,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:38:30,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:38:30,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:38:30,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:38:30,226 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 10:38:30,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:38:30,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:38:30,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:38:30,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:38:30,274 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:38:30,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:38:30,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:38:30,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:38:30,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:38:30,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:38:30,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:38:30,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:38:30,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:38:30,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:38:30,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:38:30,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:38:30,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:38:30,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:38:30,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:38:30,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:38:30,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:38:30,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:38:30,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:38:30,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:38:30,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:38:30,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:38:30,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:38:30,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:38:30,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:38:30,281 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 10:38:30,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:38:30,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:38:30,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:38:30,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:38:30,636 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:38:30,637 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2020-08-18 10:38:30,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61315936e/dadc35824f85455eaaa983c0638f94ed/FLAGae20c6657 [2020-08-18 10:38:31,637 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:38:31,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2020-08-18 10:38:31,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61315936e/dadc35824f85455eaaa983c0638f94ed/FLAGae20c6657 [2020-08-18 10:38:32,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61315936e/dadc35824f85455eaaa983c0638f94ed [2020-08-18 10:38:32,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:38:32,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:38:32,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:38:32,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:38:32,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:38:32,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:38:32" (1/1) ... [2020-08-18 10:38:32,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a56f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:38:32, skipping insertion in model container [2020-08-18 10:38:32,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:38:32" (1/1) ... [2020-08-18 10:38:32,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:38:32,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:38:35,961 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-08-18 10:38:35,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f8c4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:38:35, skipping insertion in model container [2020-08-18 10:38:35,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:38:35,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 10:38:35,968 INFO L168 Benchmark]: Toolchain (without parser) took 3884.47 ms. Allocated memory was 140.0 MB in the beginning and 241.7 MB in the end (delta: 101.7 MB). Free memory was 91.8 MB in the beginning and 175.9 MB in the end (delta: -84.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2020-08-18 10:38:35,969 INFO L168 Benchmark]: CDTParser took 0.20 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 10:38:35,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3881.02 ms. Allocated memory was 140.0 MB in the beginning and 241.7 MB in the end (delta: 101.7 MB). Free memory was 91.4 MB in the beginning and 175.9 MB in the end (delta: -84.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2020-08-18 10:38:35,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 3881.02 ms. Allocated memory was 140.0 MB in the beginning and 241.7 MB in the end (delta: 101.7 MB). Free memory was 91.4 MB in the beginning and 175.9 MB in the end (delta: -84.6 MB). Peak memory consumption was 43.6 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...