./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 14:45:42,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:45:42,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:45:42,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:45:42,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:45:42,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:45:42,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:45:42,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:45:42,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:45:42,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:45:42,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:45:42,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:45:42,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:45:42,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:45:42,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:45:42,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:45:42,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:45:42,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:45:42,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:45:42,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:45:42,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:45:42,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:45:42,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:45:42,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:45:42,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:45:42,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:45:42,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:45:42,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:45:42,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:45:42,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:45:42,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:45:42,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:45:42,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:45:42,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:45:42,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:45:42,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:45:42,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:45:42,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:45:42,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:45:42,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:45:42,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:45:42,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:45:42,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:45:42,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:45:42,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:45:42,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:45:42,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:45:42,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:45:42,939 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:45:42,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:45:42,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:45:42,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:45:42,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:45:42,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:45:42,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:45:42,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:45:42,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:45:42,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:45:42,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-08-26 14:45:43,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:45:43,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:45:43,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:45:43,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:45:43,208 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:45:43,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-08-26 14:45:43,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4089637/6b981a4e5dfc44c4a384a0395efcdced/FLAGb98251767 [2021-08-26 14:45:43,962 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:45:43,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-08-26 14:45:43,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4089637/6b981a4e5dfc44c4a384a0395efcdced/FLAGb98251767 [2021-08-26 14:45:44,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4089637/6b981a4e5dfc44c4a384a0395efcdced [2021-08-26 14:45:44,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:45:44,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:45:44,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:44,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:45:44,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:45:44,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:44" (1/1) ... [2021-08-26 14:45:44,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e85e437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:44, skipping insertion in model container [2021-08-26 14:45:44,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:44" (1/1) ... [2021-08-26 14:45:44,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:45:44,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:45:44,452 WARN L228 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-08-26 14:45:46,612 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-26 14:45:46,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68687c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:46, skipping insertion in model container [2021-08-26 14:45:46,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:46,614 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-26 14:45:46,616 INFO L168 Benchmark]: Toolchain (without parser) took 2536.12 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.8 MB in the beginning and 30.8 MB in the end (delta: 920.2 kB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:46,617 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 36.9 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:45:46,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2534.00 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.6 MB in the beginning and 30.8 MB in the end (delta: 793.5 kB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:46,619 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 54.5 MB. Free memory was 36.9 MB in the beginning and 36.9 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2534.00 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 31.6 MB in the beginning and 30.8 MB in the end (delta: 793.5 kB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 14:45:48,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:45:48,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:45:48,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:45:48,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:45:48,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:45:48,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:45:48,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:45:48,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:45:48,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:45:48,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:45:48,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:45:48,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:45:48,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:45:48,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:45:48,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:45:48,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:45:48,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:45:48,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:45:48,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:45:48,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:45:48,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:45:48,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:45:48,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:45:48,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:45:48,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:45:48,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:45:48,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:45:48,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:45:48,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:45:48,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:45:48,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:45:48,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:45:48,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:45:48,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:45:48,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:45:48,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:45:48,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:45:48,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:45:48,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:45:48,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:45:48,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 14:45:48,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:45:48,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:45:48,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:45:48,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:45:48,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:45:48,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:45:48,293 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:45:48,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:45:48,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:45:48,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:45:48,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:45:48,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:45:48,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:45:48,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:45:48,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:45:48,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 14:45:48,308 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-08-26 14:45:48,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:45:48,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:45:48,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:45:48,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:45:48,589 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:45:48,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-08-26 14:45:48,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e4ff7db/03ba377d20184183aa814efa7ada85c9/FLAG177d7f6c8 [2021-08-26 14:45:49,315 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:45:49,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-08-26 14:45:49,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e4ff7db/03ba377d20184183aa814efa7ada85c9/FLAG177d7f6c8 [2021-08-26 14:45:49,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e4ff7db/03ba377d20184183aa814efa7ada85c9 [2021-08-26 14:45:49,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:45:49,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:45:49,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:49,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:45:49,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:45:49,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:49" (1/1) ... [2021-08-26 14:45:49,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38509d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:49, skipping insertion in model container [2021-08-26 14:45:49,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:49" (1/1) ... [2021-08-26 14:45:49,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:45:49,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:45:50,151 WARN L228 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-08-26 14:45:51,595 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-26 14:45:51,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cfa3508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:51, skipping insertion in model container [2021-08-26 14:45:51,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:51,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-26 14:45:51,598 INFO L168 Benchmark]: Toolchain (without parser) took 1917.09 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 52.5 MB in the beginning and 71.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:51,598 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 77.6 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:45:51,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1913.32 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 52.3 MB in the beginning and 71.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:51,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 77.6 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 72.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1913.32 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 52.3 MB in the beginning and 71.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 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...