./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 96f16385 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 0.2.0-96f1638 [2020-12-02 12:16:20,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:20,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:21,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:21,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:21,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:21,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:21,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:21,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:21,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:21,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:21,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:21,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:21,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:21,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:21,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:21,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:21,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:21,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:21,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:21,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:21,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:21,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:21,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:21,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:21,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:21,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:21,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:21,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:21,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:21,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:21,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:21,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:21,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:21,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:21,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:21,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:21,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:21,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:21,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:21,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:21,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 12:16:21,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:21,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:21,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:21,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:21,133 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:21,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:21,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:21,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 12:16:21,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:21,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:21,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:21,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:21,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:21,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:21,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:21,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:21,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:21,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:21,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:21,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:21,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:21,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:21,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:21,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:21,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:21,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 12:16:21,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 12:16:21,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:21,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:21,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-02 12:16:21,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:21,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:21,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:21,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:21,561 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:21,562 INFO L432 ainManager$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 [2020-12-02 12:16:21,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01192404e/704c9b174bf3401d9a44ba1eea6d7d36/FLAG336be2ec6 [2020-12-02 12:16:22,770 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:22,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-02 12:16:22,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01192404e/704c9b174bf3401d9a44ba1eea6d7d36/FLAG336be2ec6 [2020-12-02 12:16:23,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01192404e/704c9b174bf3401d9a44ba1eea6d7d36 [2020-12-02 12:16:23,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:23,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:23,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:23,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:23,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:23,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c2abf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:23, skipping insertion in model container [2020-12-02 12:16:23,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:23,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:23,659 WARN L226 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] [2020-12-02 12:16:26,530 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:26,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e52eaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:26, skipping insertion in model container [2020-12-02 12:16:26,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:26,531 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:26,534 INFO L168 Benchmark]: Toolchain (without parser) took 3358.74 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 18.2 MB in the beginning and 31.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:26,535 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 27.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:26,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3355.88 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 17.9 MB in the beginning and 31.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:26,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 27.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3355.88 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 17.9 MB in the beginning and 31.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 19.8 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 0.2.0-96f1638 [2020-12-02 12:16:28,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:28,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:28,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:28,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:28,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:28,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:28,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:28,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:28,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:28,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:28,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:28,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:28,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:28,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:28,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:28,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:28,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:28,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:28,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:28,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:28,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:28,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:28,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:28,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:28,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:28,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:28,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:28,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:28,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:28,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:28,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:28,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:28,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:28,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:28,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:28,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:28,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:28,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:28,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:28,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:28,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 12:16:28,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:28,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:28,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:28,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:28,790 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:28,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:28,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:28,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:28,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:28,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:28,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:28,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:28,793 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 12:16:28,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 12:16:28,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:28,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:28,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:28,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:28,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:28,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:28,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:28,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:28,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:28,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:28,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:28,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:28,797 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 12:16:28,797 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 12:16:28,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:28,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:28,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 12:16:28,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-02 12:16:29,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:29,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:29,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:29,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:29,253 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:29,254 INFO L432 ainManager$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 [2020-12-02 12:16:29,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcee411/9373196facbd4f1f9511ba666297dc74/FLAGe0cba3611 [2020-12-02 12:16:30,242 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:30,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-02 12:16:30,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcee411/9373196facbd4f1f9511ba666297dc74/FLAGe0cba3611 [2020-12-02 12:16:30,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bcee411/9373196facbd4f1f9511ba666297dc74 [2020-12-02 12:16:30,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:30,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:30,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:30,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:30,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:30,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:30" (1/1) ... [2020-12-02 12:16:30,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69751048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:30, skipping insertion in model container [2020-12-02 12:16:30,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:30" (1/1) ... [2020-12-02 12:16:30,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:30,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:31,298 WARN L226 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] [2020-12-02 12:16:34,141 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:34,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25b923a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:34, skipping insertion in model container [2020-12-02 12:16:34,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:34,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:34,147 INFO L168 Benchmark]: Toolchain (without parser) took 3371.39 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 26.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:34,148 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 37.7 MB. Free memory was 24.3 MB in the beginning and 24.3 MB in the end (delta: 19.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:34,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3367.32 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.8 MB in the beginning and 26.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:34,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 37.7 MB. Free memory was 24.3 MB in the beginning and 24.3 MB in the end (delta: 19.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3367.32 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.8 MB in the beginning and 26.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 18.0 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...