./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 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_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 0.2.1-dev-20ed64e [2021-08-26 14:45:32,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:45:32,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:45:32,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:45:32,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:45:32,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:45:32,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:45:32,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:45:32,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:45:32,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:45:32,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:45:32,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:45:32,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:45:32,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:45:32,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:45:32,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:45:32,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:45:32,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:45:32,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:45:32,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:45:32,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:45:32,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:45:32,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:45:32,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:45:32,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:45:32,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:45:32,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:45:32,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:45:32,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:45:32,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:45:32,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:45:32,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:45:32,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:45:32,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:45:32,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:45:32,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:45:32,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:45:32,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:45:32,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:45:32,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:45:32,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:45:32,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:45:32,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:45:32,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:45:32,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:45:32,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:45:32,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:45:32,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:45:32,631 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:45:32,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:45:32,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:45:32,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:45:32,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:45:32,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:45:32,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:45:32,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:45:32,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:45:32,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:45:32,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:45:32,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:45:32,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:45:32,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:45:32,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:45:32,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:45:32,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:45:32,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-08-26 14:45:33,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:45:33,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:45:33,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:45:33,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:45:33,049 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:45:33,050 INFO L432 ainManager$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 [2021-08-26 14:45:33,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a736348/82d6a160549c46d696ff7db120323c31/FLAG663911b86 [2021-08-26 14:45:33,731 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:45:33,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-08-26 14:45:33,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a736348/82d6a160549c46d696ff7db120323c31/FLAG663911b86 [2021-08-26 14:45:34,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a736348/82d6a160549c46d696ff7db120323c31 [2021-08-26 14:45:34,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:45:34,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:45:34,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:34,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:45:34,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:45:34,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:34" (1/1) ... [2021-08-26 14:45:34,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf0438e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:34, skipping insertion in model container [2021-08-26 14:45:34,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:34" (1/1) ... [2021-08-26 14:45:34,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:45:34,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:45:34,464 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_nvram_llseek_read_nvram.i[5469,5482] [2021-08-26 14:45:36,064 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-26 14:45:36,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f3eca34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:36, skipping insertion in model container [2021-08-26 14:45:36,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:36,067 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-26 14:45:36,069 INFO L168 Benchmark]: Toolchain (without parser) took 1979.23 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 40.3 MB in the beginning and 62.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:36,070 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 69.2 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:45:36,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1977.28 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 40.0 MB in the beginning and 62.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:36,073 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 69.2 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1977.28 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 40.0 MB in the beginning and 62.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 20.1 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 0.2.1-dev-20ed64e [2021-08-26 14:45:37,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:45:37,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:45:37,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:45:37,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:45:37,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:45:37,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:45:37,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:45:37,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:45:37,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:45:37,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:45:37,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:45:37,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:45:37,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:45:37,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:45:37,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:45:37,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:45:37,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:45:37,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:45:37,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:45:37,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:45:37,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:45:37,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:45:37,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:45:37,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:45:37,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:45:37,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:45:37,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:45:37,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:45:37,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:45:37,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:45:37,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:45:37,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:45:37,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:45:37,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:45:37,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:45:37,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:45:37,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:45:37,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:45:37,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:45:37,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:45:37,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 14:45:37,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:45:37,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:45:37,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:45:37,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:45:37,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:45:37,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:45:37,783 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:45:37,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:45:37,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:45:37,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:45:37,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:45:37,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:45:37,786 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 14:45:37,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 14:45:37,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:45:37,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:45:37,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 14:45:37,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-08-26 14:45:38,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:45:38,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:45:38,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:45:38,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:45:38,102 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:45:38,104 INFO L432 ainManager$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 [2021-08-26 14:45:38,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524550580/6243286bcf1e41fca82bfbe34f243714/FLAGab54629cf [2021-08-26 14:45:38,792 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:45:38,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-08-26 14:45:38,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524550580/6243286bcf1e41fca82bfbe34f243714/FLAGab54629cf [2021-08-26 14:45:38,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524550580/6243286bcf1e41fca82bfbe34f243714 [2021-08-26 14:45:38,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:45:38,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:45:38,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:38,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:45:38,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:45:38,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:38" (1/1) ... [2021-08-26 14:45:38,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f69a30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:38, skipping insertion in model container [2021-08-26 14:45:38,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:45:38" (1/1) ... [2021-08-26 14:45:38,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:45:39,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:45:39,271 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_nvram_llseek_read_nvram.i[5469,5482] [2021-08-26 14:45:40,792 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-08-26 14:45:40,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b36d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:45:40, skipping insertion in model container [2021-08-26 14:45:40,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:45:40,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-08-26 14:45:40,796 INFO L168 Benchmark]: Toolchain (without parser) took 1881.15 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 44.8 MB in the beginning and 74.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:40,797 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:45:40,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1879.43 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 44.7 MB in the beginning and 74.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:45:40,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1879.43 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 44.7 MB in the beginning and 74.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 23.5 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...