/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-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 00:39:51,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 00:39:51,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 00:39:51,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 00:39:51,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 00:39:51,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 00:39:51,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 00:39:51,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 00:39:51,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 00:39:51,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 00:39:51,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 00:39:51,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-12-18 00:39:51,909 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-keepdead.epf [2020-12-18 00:39:51,964 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 00:39:51,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 00:39:51,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 00:39:51,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 00:39:51,969 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 00:39:51,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 00:39:51,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 00:39:51,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 00:39:51,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 00:39:51,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 00:39:51,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 00:39:51,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 00:39:51,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 00:39:51,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 00:39:51,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 00:39:51,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 00:39:51,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 00:39:51,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 00:39:51,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 00:39:51,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 00:39:51,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 00:39:51,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:39:51,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 00:39:51,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 00:39:51,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 00:39:51,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 00:39:51,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 00:39:51,975 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 00:39:51,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 00:39:51,975 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-18 00:39:51,976 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 00:39:51,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 00:39:52,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 00:39:52,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 00:39:52,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 00:39:52,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 00:39:52,418 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 00:39:52,419 INFO L432 ainManager$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 [2020-12-18 00:39:52,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1342576ed/796ccd067bdb4f41b5158f6931bba486/FLAGf43299ad1 [2020-12-18 00:39:53,513 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 00:39:53,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-18 00:39:53,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1342576ed/796ccd067bdb4f41b5158f6931bba486/FLAGf43299ad1 [2020-12-18 00:39:53,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1342576ed/796ccd067bdb4f41b5158f6931bba486 [2020-12-18 00:39:53,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 00:39:53,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 00:39:53,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 00:39:53,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 00:39:53,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 00:39:53,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:53" (1/1) ... [2020-12-18 00:39:53,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17365ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:53, skipping insertion in model container [2020-12-18 00:39:53,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:53" (1/1) ... [2020-12-18 00:39:53,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 00:39:54,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 00:39:57,309 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-18 00:39:57,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d5de655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:57, skipping insertion in model container [2020-12-18 00:39:57,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 00:39:57,310 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-18 00:39:57,312 INFO L168 Benchmark]: Toolchain (without parser) took 3393.51 ms. Allocated memory is still 302.0 MB. Free memory was 266.0 MB in the beginning and 235.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.0 GB. [2020-12-18 00:39:57,313 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 00:39:57,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3389.47 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 235.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.0 GB. [2020-12-18 00:39:57,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 3389.47 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 235.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.0 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...