/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-SemanticLbe.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 [2021-03-11 11:56:33,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:56:33,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:56:33,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:56:33,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:56:33,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:56:33,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:56:33,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:56:33,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:56:33,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:56:33,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:56:33,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:56:33,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:56:33,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:56:33,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:56:33,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:56:33,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:56:33,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:56:33,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:56:33,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:56:33,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:56:33,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:56:33,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:56:33,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:56:33,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 11:56:33,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 11:56:33,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 11:56:33,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 11:56:33,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 11:56:33,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 11:56:33,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:56:33,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:56:33,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:56:33,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:56:33,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:56:33,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:56:33,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:56:33,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:56:33,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:56:33,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:56:33,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:56:33,122 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-SemanticLbe.epf [2021-03-11 11:56:33,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:56:33,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:56:33,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:56:33,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:56:33,143 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:56:33,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:56:33,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:56:33,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:56:33,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:56:33,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:56:33,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:56:33,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:56:33,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:56:33,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:56:33,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:56:33,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:56:33,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:56:33,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:56:33,473 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:56:33,474 INFO L432 ainManager$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 [2021-03-11 11:56:33,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ac1dc3c/cafbd62df2a3454eaa2e41df6f3f8ad5/FLAG6e8c7fe05 [2021-03-11 11:56:34,329 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:56:34,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-03-11 11:56:34,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ac1dc3c/cafbd62df2a3454eaa2e41df6f3f8ad5/FLAG6e8c7fe05 [2021-03-11 11:56:34,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ac1dc3c/cafbd62df2a3454eaa2e41df6f3f8ad5 [2021-03-11 11:56:34,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:56:34,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:56:34,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:56:34,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:56:34,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:56:34,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:56:34" (1/1) ... [2021-03-11 11:56:34,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191e3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:56:34, skipping insertion in model container [2021-03-11 11:56:34,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:56:34" (1/1) ... [2021-03-11 11:56:34,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:56:35,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:56:35,404 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] [2021-03-11 11:56:37,942 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-03-11 11:56:37,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c25c20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:56:37, skipping insertion in model container [2021-03-11 11:56:37,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:56:37,943 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-03-11 11:56:37,945 INFO L168 Benchmark]: Toolchain (without parser) took 3052.75 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 223.1 MB in the beginning and 335.1 MB in the end (delta: -112.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-11 11:56:37,945 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.4 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:56:37,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3045.83 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 222.7 MB in the beginning and 335.1 MB in the end (delta: -112.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-11 11:56:37,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.4 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 3045.83 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 222.7 MB in the beginning and 335.1 MB in the end (delta: -112.4 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...