./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.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_nvram_llseek_read_nvram.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 eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................. 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_nvram_llseek_read_nvram.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 eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................... 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 12:16:05,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:05,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:05,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:05,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:05,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:05,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:05,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:05,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:05,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:05,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:05,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:05,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:05,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:05,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:05,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:05,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:05,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:05,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:05,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:05,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:05,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:05,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:05,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:05,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:05,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:05,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:05,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:05,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:05,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:05,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:05,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:05,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:05,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:05,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:05,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:05,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:05,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:05,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:05,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:05,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:05,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 12:16:05,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:05,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:05,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:05,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:05,144 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:05,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:05,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:05,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 12:16:05,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:05,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:05,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:05,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:05,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:05,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:05,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:05,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:05,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:05,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:05,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:05,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:05,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:05,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:05,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:05,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:05,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:05,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 12:16:05,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 12:16:05,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:05,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:05,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-02 12:16:05,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:05,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:05,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:05,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:05,581 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:05,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-02 12:16:05,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb69065e/912bae7b154d497d938e0b8f63d75dae/FLAGe0a614040 [2020-12-02 12:16:06,678 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:06,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-02 12:16:06,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb69065e/912bae7b154d497d938e0b8f63d75dae/FLAGe0a614040 [2020-12-02 12:16:07,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb69065e/912bae7b154d497d938e0b8f63d75dae [2020-12-02 12:16:07,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:07,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:07,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:07,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:07,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:07,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:07" (1/1) ... [2020-12-02 12:16:07,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c6666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:07, skipping insertion in model container [2020-12-02 12:16:07,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:07" (1/1) ... [2020-12-02 12:16:07,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:07,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:07,622 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_nvram_llseek_read_nvram.i[5469,5482] [2020-12-02 12:16:10,632 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:10,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@368d5af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:10, skipping insertion in model container [2020-12-02 12:16:10,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:10,633 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:10,637 INFO L168 Benchmark]: Toolchain (without parser) took 3531.23 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.4 MB in the beginning and 43.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:10,639 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 26.0 MB in the beginning and 26.0 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:10,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3527.85 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.1 MB in the beginning and 43.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:10,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 26.0 MB in the beginning and 26.0 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3527.85 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 34.1 MB in the beginning and 43.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 23.1 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 12:16:12,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:12,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:13,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:13,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:13,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:13,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:13,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:13,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:13,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:13,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:13,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:13,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:13,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:13,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:13,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:13,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:13,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:13,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:13,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:13,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:13,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:13,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:13,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:13,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:13,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:13,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:13,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:13,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:13,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:13,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:13,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:13,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:13,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:13,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:13,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:13,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:13,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:13,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:13,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:13,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:13,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 12:16:13,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:13,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:13,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:13,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:13,141 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:13,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:13,141 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:13,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:13,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:13,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:13,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:13,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:13,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 12:16:13,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 12:16:13,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:13,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:13,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:13,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:13,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:13,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:13,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:13,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:13,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:13,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:13,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:13,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:13,146 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 12:16:13,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 12:16:13,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:13,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:13,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 12:16:13,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-02 12:16:13,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:13,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:13,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:13,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:13,527 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:13,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-02 12:16:13,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab074f85/781c1bd372d84fb09ec9af7586b2b5a2/FLAGf759cf782 [2020-12-02 12:16:14,653 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:14,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-02 12:16:14,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab074f85/781c1bd372d84fb09ec9af7586b2b5a2/FLAGf759cf782 [2020-12-02 12:16:15,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab074f85/781c1bd372d84fb09ec9af7586b2b5a2 [2020-12-02 12:16:15,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:15,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:15,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:15,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:15,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:15,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:15" (1/1) ... [2020-12-02 12:16:15,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2f937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:15, skipping insertion in model container [2020-12-02 12:16:15,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:15" (1/1) ... [2020-12-02 12:16:15,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:15,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:15,571 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_nvram_llseek_read_nvram.i[5469,5482] [2020-12-02 12:16:18,345 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:18,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@793f87b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:18, skipping insertion in model container [2020-12-02 12:16:18,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:18,347 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:18,349 INFO L168 Benchmark]: Toolchain (without parser) took 3300.72 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.8 MB in the beginning and 22.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:18,350 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 37.7 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:18,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3294.47 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.7 MB in the beginning and 22.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:18,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 37.7 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3294.47 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.7 MB in the beginning and 22.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 25.3 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...