/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:45:34,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:45:34,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:45:34,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:45:34,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:45:34,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:45:34,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:45:34,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:45:34,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:45:34,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:45:34,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:45:34,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:45:34,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:45:34,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:45:34,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:45:34,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:45:34,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:45:34,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:45:34,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:45:34,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:45:34,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:45:34,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:45:34,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:45:34,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:45:34,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:45:34,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:45:34,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:45:34,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:45:34,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:45:34,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:45:34,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:45:34,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:45:34,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:45:34,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:45:34,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:45:34,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:45:34,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:45:34,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:45:34,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:45:34,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:45:34,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:45:34,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:45:34,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:45:34,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:45:34,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:45:34,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:45:34,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:45:34,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:45:34,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:45:34,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:45:34,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:45:34,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:45:34,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:45:34,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:45:34,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:45:34,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:45:34,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:45:34,845 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:45:34,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:45:34,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:45:34,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:45:34,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:45:34,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:45:34,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:45:34,846 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:45:34,847 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:45:35,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:45:35,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:45:35,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:45:35,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:45:35,338 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:45:35,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-02-24 04:45:35,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd748e21/134c5b0c01d44f63a896eeff5a8d517c/FLAGd813e2aed [2021-02-24 04:45:36,441 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:45:36,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-02-24 04:45:36,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd748e21/134c5b0c01d44f63a896eeff5a8d517c/FLAGd813e2aed [2021-02-24 04:45:36,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bd748e21/134c5b0c01d44f63a896eeff5a8d517c [2021-02-24 04:45:36,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:45:36,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:45:36,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:45:36,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:45:36,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:45:36,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:45:36" (1/1) ... [2021-02-24 04:45:36,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671ab25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:45:36, skipping insertion in model container [2021-02-24 04:45:36,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:45:36" (1/1) ... [2021-02-24 04:45:36,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:45:37,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:45:37,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-02-24 04:45:41,024 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-02-24 04:45:41,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6890816e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:45:41, skipping insertion in model container [2021-02-24 04:45:41,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:45:41,026 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-02-24 04:45:41,030 INFO L168 Benchmark]: Toolchain (without parser) took 4096.78 ms. Allocated memory is still 152.0 MB. Free memory was 117.7 MB in the beginning and 87.4 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:45:41,032 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:45:41,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4080.79 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 87.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2021-02-24 04:45:41,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 4080.79 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 87.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 28.9 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...