./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 9a8b2e8d 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_1.3.100.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ........................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 03:11:07,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:07,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:07,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:07,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:07,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:07,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:07,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:07,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:07,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:07,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:07,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:07,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:07,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:07,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:07,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:07,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:07,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:07,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:07,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:07,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:07,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:07,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:07,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:07,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:07,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:07,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:07,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:07,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:07,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:07,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:07,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:07,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:07,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:07,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:07,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:07,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:07,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:07,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:07,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:07,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:07,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:11:07,814 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:07,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:07,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:07,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:07,816 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:07,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:07,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:07,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:11:07,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:07,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:07,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:07,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:07,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:07,818 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:07,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:07,819 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:07,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:07,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:07,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:07,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:07,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:07,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:07,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:07,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:07,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:07,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:11:07,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:11:07,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:07,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:07,821 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-10-20 03:11:08,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:08,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:08,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:08,055 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:08,056 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:08,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-10-20 03:11:08,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30804a477/3cbbf3a566c9457b8962add73e4e1b8c/FLAG99afe4456 [2020-10-20 03:11:09,072 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:09,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-10-20 03:11:09,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30804a477/3cbbf3a566c9457b8962add73e4e1b8c/FLAG99afe4456 [2020-10-20 03:11:09,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30804a477/3cbbf3a566c9457b8962add73e4e1b8c [2020-10-20 03:11:09,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:09,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:09,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:09,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:09,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:09,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:09" (1/1) ... [2020-10-20 03:11:09,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8191c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:09, skipping insertion in model container [2020-10-20 03:11:09,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:09" (1/1) ... [2020-10-20 03:11:09,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:09,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:14,340 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:14,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14af000b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:14, skipping insertion in model container [2020-10-20 03:11:14,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:14,342 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:14,346 INFO L168 Benchmark]: Toolchain (without parser) took 4773.86 ms. Allocated memory was 41.9 MB in the beginning and 49.3 MB in the end (delta: 7.3 MB). Free memory was 18.7 MB in the beginning and 16.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,347 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4766.94 ms. Allocated memory was 41.9 MB in the beginning and 49.3 MB in the end (delta: 7.3 MB). Free memory was 17.9 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 4766.94 ms. Allocated memory was 41.9 MB in the beginning and 49.3 MB in the end (delta: 7.3 MB). Free memory was 17.9 MB in the beginning and 16.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 03:11:16,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:16,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:16,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:16,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:16,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:16,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:16,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:16,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:16,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:16,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:16,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:16,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:16,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:16,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:16,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:16,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:16,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:16,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:16,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:16,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:16,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:16,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:16,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:16,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:16,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:16,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:16,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:16,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:16,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:16,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:16,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:16,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:16,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:16,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:16,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:16,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:16,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:16,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:16,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:16,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:16,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 03:11:16,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:16,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:16,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:16,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:16,512 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:16,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:16,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:16,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:16,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:16,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:16,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:16,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:16,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 03:11:16,516 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 03:11:16,516 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:16,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:16,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:16,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:16,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:16,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:16,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:16,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:16,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:16,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:16,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:16,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:16,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 03:11:16,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 03:11:16,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:16,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:16,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 03:11:16,521 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-10-20 03:11:16,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:16,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:16,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:16,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:16,752 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:16,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-10-20 03:11:16,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b18d6186/bd83e468da26413e8ed2fca8c1e70b75/FLAG051f07d75 [2020-10-20 03:11:17,616 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:17,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-10-20 03:11:17,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b18d6186/bd83e468da26413e8ed2fca8c1e70b75/FLAG051f07d75 [2020-10-20 03:11:18,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b18d6186/bd83e468da26413e8ed2fca8c1e70b75 [2020-10-20 03:11:18,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:18,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:18,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:18,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:18,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:18,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:18" (1/1) ... [2020-10-20 03:11:18,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fcd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:18, skipping insertion in model container [2020-10-20 03:11:18,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:18" (1/1) ... [2020-10-20 03:11:18,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:18,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:21,889 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:21,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c06d486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:21, skipping insertion in model container [2020-10-20 03:11:21,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:21,891 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:21,894 INFO L168 Benchmark]: Toolchain (without parser) took 3794.62 ms. Allocated memory was 35.7 MB in the beginning and 51.9 MB in the end (delta: 16.3 MB). Free memory was 10.8 MB in the beginning and 17.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:21,895 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:21,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3785.79 ms. Allocated memory was 35.7 MB in the beginning and 51.9 MB in the end (delta: 16.3 MB). Free memory was 10.0 MB in the beginning and 17.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:21,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 3785.79 ms. Allocated memory was 35.7 MB in the beginning and 51.9 MB in the end (delta: 16.3 MB). Free memory was 10.0 MB in the beginning and 17.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 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...