./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a233ca437d35b9528528eefc457b42f890d626c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 -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_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a233ca437d35b9528528eefc457b42f890d626c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:35:51,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:35:51,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:35:51,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:35:51,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:35:51,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:35:51,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:35:51,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:35:51,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:35:51,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:35:51,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:35:51,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:35:51,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:35:51,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:35:51,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:35:51,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:35:51,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:35:51,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:35:51,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:35:51,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:35:51,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:35:51,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:35:51,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:35:51,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:35:51,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:35:51,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:35:51,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:35:51,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:35:51,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:35:51,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:35:51,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:35:51,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:35:51,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:35:51,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:35:51,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:35:51,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:35:51,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:35:51,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:35:51,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:35:51,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:35:51,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:35:51,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:35:51,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:35:51,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:35:51,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:35:51,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:35:51,743 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:35:51,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:35:51,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:35:51,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:35:51,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:35:51,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:35:51,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:35:51,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:35:51,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:35:51,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:35:51,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:35:51,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:35:51,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:35:51,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:35:51,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:35:51,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:35:51,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:35:51,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:35:51,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:35:51,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:35:51,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:35:51,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:35:51,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:35:51,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:35:51,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:35:51,754 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-24 21:35:52,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:35:52,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:35:52,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:35:52,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:35:52,236 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:35:52,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-24 21:35:52,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e83944d/2fa4556227494cc6924e0e7ef17156f6/FLAG1eb94d70c [2019-11-24 21:35:53,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:35:53,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-24 21:35:53,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e83944d/2fa4556227494cc6924e0e7ef17156f6/FLAG1eb94d70c [2019-11-24 21:35:53,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e83944d/2fa4556227494cc6924e0e7ef17156f6 [2019-11-24 21:35:53,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:35:53,911 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:35:53,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:35:53,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:35:53,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:35:53,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:35:53" (1/1) ... [2019-11-24 21:35:53,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54727c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:35:53, skipping insertion in model container [2019-11-24 21:35:53,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:35:53" (1/1) ... [2019-11-24 21:35:53,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:35:54,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:35:59,828 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-24 21:35:59,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f7f3152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:35:59, skipping insertion in model container [2019-11-24 21:35:59,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:35:59,831 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-24 21:35:59,834 INFO L168 Benchmark]: Toolchain (without parser) took 5922.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:35:59,849 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:35:59,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5915.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:35:59,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5915.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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 0.1.24-32f2683 [2019-11-24 21:36:02,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:36:02,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:36:02,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:36:02,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:36:02,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:36:02,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:36:02,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:36:02,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:36:02,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:36:02,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:36:02,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:36:02,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:36:02,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:36:02,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:36:02,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:36:02,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:36:02,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:36:02,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:36:02,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:36:02,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:36:02,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:36:02,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:36:02,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:36:02,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:36:02,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:36:02,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:36:02,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:36:02,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:36:02,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:36:02,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:36:02,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:36:02,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:36:02,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:36:02,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:36:02,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:36:02,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:36:02,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:36:02,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:36:02,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:36:02,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:36:02,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:36:02,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:36:02,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:36:02,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:36:02,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:36:02,751 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:36:02,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:36:02,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:36:02,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:36:02,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:36:02,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:36:02,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:36:02,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:36:02,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:36:02,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:36:02,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:36:02,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:36:02,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:36:02,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:36:02,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:36:02,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:36:02,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:36:02,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:36:02,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:36:02,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:36:02,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:36:02,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:36:02,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:36:02,765 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:36:02,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:36:02,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:36:02,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:36:02,768 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-24 21:36:03,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:36:03,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:36:03,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:36:03,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:36:03,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:36:03,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-24 21:36:03,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2605c3/862ae0a12a0c42c2b4048b72d0ee233b/FLAG19ecb1bfe [2019-11-24 21:36:04,720 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:36:04,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-24 21:36:04,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2605c3/862ae0a12a0c42c2b4048b72d0ee233b/FLAG19ecb1bfe [2019-11-24 21:36:04,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e2605c3/862ae0a12a0c42c2b4048b72d0ee233b [2019-11-24 21:36:04,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:36:04,944 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:36:04,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:36:04,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:36:04,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:36:04,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:36:04" (1/1) ... [2019-11-24 21:36:04,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54727c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:36:04, skipping insertion in model container [2019-11-24 21:36:04,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:36:04" (1/1) ... [2019-11-24 21:36:04,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:36:05,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:36:10,399 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-24 21:36:10,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11256e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:36:10, skipping insertion in model container [2019-11-24 21:36:10,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:36:10,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-24 21:36:10,407 INFO L168 Benchmark]: Toolchain (without parser) took 5460.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 941.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:36:10,418 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:36:10,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5450.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 941.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:36:10,429 INFO L335 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 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5450.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 941.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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...