/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 17:57:39,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 17:57:39,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 17:57:40,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 17:57:40,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 17:57:40,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 17:57:40,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 17:57:40,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 17:57:40,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 17:57:40,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 17:57:40,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 17:57:40,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 17:57:40,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 17:57:40,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 17:57:40,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 17:57:40,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 17:57:40,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 17:57:40,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 17:57:40,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 17:57:40,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 17:57:40,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 17:57:40,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 17:57:40,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 17:57:40,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 17:57:40,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-17 17:57:40,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 17:57:40,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 17:57:40,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 17:57:40,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2020-12-17 17:57:40,110 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 17:57:40,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 17:57:40,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 17:57:40,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 17:57:40,114 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 17:57:40,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 17:57:40,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 17:57:40,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 17:57:40,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 17:57:40,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 17:57:40,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 17:57:40,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 17:57:40,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 17:57:40,117 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 17:57:40,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 17:57:40,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 17:57:40,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 17:57:40,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 17:57:40,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 17:57:40,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 17:57:40,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 17:57:40,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 17:57:40,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 17:57:40,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 17:57:40,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 17:57:40,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 17:57:40,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 17:57:40,120 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 17:57:40,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 17:57:40,120 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 17:57:40,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 17:57:40,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 17:57:40,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 17:57:40,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 17:57:40,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 17:57:40,570 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 17:57:40,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-17 17:57:40,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3581578a4/bc7479acfc864ebf9d9ad0611b8237b7/FLAG808386146 [2020-12-17 17:57:41,717 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 17:57:41,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-17 17:57:41,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3581578a4/bc7479acfc864ebf9d9ad0611b8237b7/FLAG808386146 [2020-12-17 17:57:42,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3581578a4/bc7479acfc864ebf9d9ad0611b8237b7 [2020-12-17 17:57:42,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 17:57:42,152 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 17:57:42,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 17:57:42,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 17:57:42,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 17:57:42,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:57:42" (1/1) ... [2020-12-17 17:57:42,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339952ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:57:42, skipping insertion in model container [2020-12-17 17:57:42,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:57:42" (1/1) ... [2020-12-17 17:57:42,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 17:57:42,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 17:57:46,738 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-17 17:57:46,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58ecc34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:57:46, skipping insertion in model container [2020-12-17 17:57:46,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 17:57:46,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-17 17:57:46,749 INFO L168 Benchmark]: Toolchain (without parser) took 4590.16 ms. Allocated memory is still 302.0 MB. Free memory was 267.3 MB in the beginning and 244.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.0 GB. [2020-12-17 17:57:46,750 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 17:57:46,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4586.63 ms. Allocated memory is still 302.0 MB. Free memory was 267.1 MB in the beginning and 244.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.0 GB. [2020-12-17 17:57:46,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 4586.63 ms. Allocated memory is still 302.0 MB. Free memory was 267.1 MB in the beginning and 244.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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...