/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:18:42,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:18:42,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:18:42,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:18:42,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:18:42,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:18:42,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:18:42,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:18:42,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:18:42,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:18:42,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:18:42,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:18:42,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:18:42,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:18:42,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:18:42,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:18:42,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:18:42,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:18:42,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:18:42,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:18:42,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:18:42,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:18:42,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:18:42,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:18:42,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 11:18:42,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:18:42,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:18:42,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:18:42,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:18:42,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:18:42,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:18:42,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:18:42,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:18:42,733 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:18:42,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:18:42,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:18:42,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:18:42,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:18:42,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:18:42,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:18:42,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:18:42,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:18:42,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:18:42,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:18:42,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:18:42,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:18:42,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:18:42,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:18:42,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:18:42,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:18:42,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:18:42,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:18:42,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:18:42,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:18:42,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:18:43,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:18:43,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:18:43,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:18:43,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:18:43,167 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:18:43,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-12-22 11:18:43,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c354dfad/6f21032bb64c4de4916b75f39f305121/FLAG032c138b5 [2020-12-22 11:18:44,367 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:18:44,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-12-22 11:18:44,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c354dfad/6f21032bb64c4de4916b75f39f305121/FLAG032c138b5 [2020-12-22 11:18:44,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c354dfad/6f21032bb64c4de4916b75f39f305121 [2020-12-22 11:18:44,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:18:44,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:18:44,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:18:44,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:18:44,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:18:44,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:18:44" (1/1) ... [2020-12-22 11:18:44,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e25cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:18:44, skipping insertion in model container [2020-12-22 11:18:44,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:18:44" (1/1) ... [2020-12-22 11:18:44,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:18:44,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:18:45,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2020-12-22 11:18:49,905 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-22 11:18:49,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@139303d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:18:49, skipping insertion in model container [2020-12-22 11:18:49,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:18:49,906 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-22 11:18:49,909 INFO L168 Benchmark]: Toolchain (without parser) took 5176.91 ms. Allocated memory is still 157.3 MB. Free memory was 120.5 MB in the beginning and 128.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 70.9 MB. Max. memory is 8.0 GB. [2020-12-22 11:18:49,910 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 11:18:49,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5170.36 ms. Allocated memory is still 157.3 MB. Free memory was 120.3 MB in the beginning and 128.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 70.9 MB. Max. memory is 8.0 GB. [2020-12-22 11:18:49,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 130.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 5170.36 ms. Allocated memory is still 157.3 MB. Free memory was 120.3 MB in the beginning and 128.1 MB in the end (delta: -7.8 MB). Peak memory consumption was 70.9 MB. Max. memory is 8.0 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...