./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_unlocked_ioctl_write_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d20ef8a37fa84fe031a8f55b5aa5f58814f53d9 ............................................................................................................................. 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 -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_unlocked_ioctl_write_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d20ef8a37fa84fe031a8f55b5aa5f58814f53d9 ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:51:53,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:51:53,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:51:53,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:51:53,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:51:53,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:51:53,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:51:53,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:51:53,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:51:53,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:51:53,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:51:53,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:51:53,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:51:53,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:51:53,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:51:53,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:51:53,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:51:53,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:51:53,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:51:53,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:51:53,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:51:53,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:51:53,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:51:53,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:51:53,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:51:53,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:51:53,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:51:53,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:51:53,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:51:53,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:51:53,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:51:53,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:51:53,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:51:53,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:51:53,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:51:53,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:51:53,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:51:53,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:51:53,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:51:53,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:51:53,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:51:53,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:51:53,622 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:51:53,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:51:53,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:51:53,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:51:53,624 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:51:53,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:51:53,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:51:53,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:51:53,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:51:53,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:51:53,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:51:53,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:51:53,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:51:53,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:51:53,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:51:53,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:51:53,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:51:53,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:51:53,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:51:53,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:51:53,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:51:53,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:51:53,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:51:53,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:51:53,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:51:53,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:51:53,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:51:53,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:51:53,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:51:53,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 8d20ef8a37fa84fe031a8f55b5aa5f58814f53d9 [2020-07-28 21:51:54,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:51:54,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:51:54,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:51:54,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:51:54,042 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:51:54,043 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-07-28 21:51:54,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef3af338/cf4ba2cf8bb84f6cb6a849bf9c56620e/FLAGc9a49b654 [2020-07-28 21:51:54,987 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:51:54,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-07-28 21:51:55,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef3af338/cf4ba2cf8bb84f6cb6a849bf9c56620e/FLAGc9a49b654 [2020-07-28 21:51:55,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ef3af338/cf4ba2cf8bb84f6cb6a849bf9c56620e [2020-07-28 21:51:55,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:51:55,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:51:55,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:51:55,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:51:55,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:51:55,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:55" (1/1) ... [2020-07-28 21:51:55,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b6fd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:51:55, skipping insertion in model container [2020-07-28 21:51:55,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:55" (1/1) ... [2020-07-28 21:51:55,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:51:55,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:51:58,995 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:51:58,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@203495de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:51:58, skipping insertion in model container [2020-07-28 21:51:58,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:51:58,996 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:51:58,999 INFO L168 Benchmark]: Toolchain (without parser) took 3568.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:51:59,000 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:51:59,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3561.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:51:59,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3561.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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 0.1.25-8bd4bc6 [2020-07-28 21:52:00,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:52:00,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:52:00,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:52:00,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:52:00,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:52:00,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:52:00,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:52:00,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:52:00,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:52:00,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:52:00,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:52:00,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:52:00,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:52:00,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:52:00,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:52:00,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:52:00,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:52:00,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:52:00,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:52:00,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:52:00,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:52:00,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:52:00,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:52:00,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:52:00,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:52:00,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:52:00,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:52:00,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:52:00,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:52:00,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:52:00,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:52:00,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:52:00,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:52:00,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:52:00,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:52:00,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:52:00,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:52:00,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:52:00,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:52:00,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:52:00,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 21:52:00,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:52:00,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:52:00,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:52:00,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:52:00,887 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:52:00,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:52:00,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:52:00,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:52:00,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:52:00,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:52:00,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:52:00,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:52:00,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 21:52:00,889 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 21:52:00,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:52:00,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:52:00,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:52:00,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:52:00,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:52:00,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:52:00,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:52:00,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:52:00,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:52:00,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:52:00,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:52:00,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:52:00,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 21:52:00,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 21:52:00,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:52:00,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:52:00,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 21:52:00,894 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 8d20ef8a37fa84fe031a8f55b5aa5f58814f53d9 [2020-07-28 21:52:01,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:52:01,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:52:01,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:52:01,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:52:01,240 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:52:01,240 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-07-28 21:52:01,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05140a4f0/6050ff1be4324a5d871c69b91886b077/FLAG17a2f189f [2020-07-28 21:52:02,112 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:52:02,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-07-28 21:52:02,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05140a4f0/6050ff1be4324a5d871c69b91886b077/FLAG17a2f189f [2020-07-28 21:52:02,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05140a4f0/6050ff1be4324a5d871c69b91886b077 [2020-07-28 21:52:02,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:52:02,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:52:02,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:02,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:52:02,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:52:02,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:02" (1/1) ... [2020-07-28 21:52:02,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ff3c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:02, skipping insertion in model container [2020-07-28 21:52:02,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:02" (1/1) ... [2020-07-28 21:52:02,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:52:02,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:52:06,174 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:52:06,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@414cbd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:06, skipping insertion in model container [2020-07-28 21:52:06,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:06,175 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:52:06,179 INFO L168 Benchmark]: Toolchain (without parser) took 3590.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:06,180 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:52:06,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3585.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:06,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3585.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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...