/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 18:07:56,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 18:07:56,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 18:07:56,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-10 18:07:56,777 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 [2021-03-10 18:07:56,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 18:07:56,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 18:07:56,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 18:07:56,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 18:07:56,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 18:07:56,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 18:07:56,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 18:07:56,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 18:07:56,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 18:07:56,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 18:07:56,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 18:07:56,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 18:07:56,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 18:07:57,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 18:07:57,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 18:07:57,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 18:07:57,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 18:07:57,035 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 18:07:57,035 INFO L432 ainManager$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 [2021-03-10 18:07:57,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a0d17a7/a354ee5df5194df3be8c4c117f7e29e0/FLAG499ffaaf3 [2021-03-10 18:07:57,704 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 18:07:57,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-03-10 18:07:57,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a0d17a7/a354ee5df5194df3be8c4c117f7e29e0/FLAG499ffaaf3 [2021-03-10 18:07:58,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a0d17a7/a354ee5df5194df3be8c4c117f7e29e0 [2021-03-10 18:07:58,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 18:07:58,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 18:07:58,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 18:07:58,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 18:07:58,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 18:07:58,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:07:58" (1/1) ... [2021-03-10 18:07:58,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7e9cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:07:58, skipping insertion in model container [2021-03-10 18:07:58,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:07:58" (1/1) ... [2021-03-10 18:07:58,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 18:07:58,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 18:07:58,391 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-03-10 18:07:59,745 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-03-10 18:07:59,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b688dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:07:59, skipping insertion in model container [2021-03-10 18:07:59,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 18:07:59,746 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-03-10 18:07:59,747 INFO L168 Benchmark]: Toolchain (without parser) took 1632.60 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 225.5 MB in the beginning and 300.4 MB in the end (delta: -74.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-03-10 18:07:59,747 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 18:07:59,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1626.81 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 224.6 MB in the beginning and 300.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-10 18:07:59,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1626.81 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 224.6 MB in the beginning and 300.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 31.5 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...