./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.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_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ........................................................................................................................... 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_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ............................................................................................................................. 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 03:11:14,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:14,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:14,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:14,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:14,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:14,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:14,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:14,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:14,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:14,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:14,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:14,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:14,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:14,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:14,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:14,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:14,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:14,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:14,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:14,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:14,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:14,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:14,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:14,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:14,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:14,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:14,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:14,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:14,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:14,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:14,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:14,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:14,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:14,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:14,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:14,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:14,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:14,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:14,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:14,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:14,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:11:14,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:14,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:14,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:14,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:14,518 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:14,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:14,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:14,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:11:14,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:14,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:14,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:14,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:14,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:14,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:14,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:14,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:14,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:14,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:14,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:14,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:14,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:14,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:14,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:14,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:14,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:14,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:11:14,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:11:14,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:14,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:14,524 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 -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-10-20 03:11:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:14,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:14,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:14,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:14,751 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:14,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-20 03:11:14,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900a27161/2e5bb4113b7a4968be56738069725ccd/FLAG26f8c44e6 [2020-10-20 03:11:15,748 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:15,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-20 03:11:15,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900a27161/2e5bb4113b7a4968be56738069725ccd/FLAG26f8c44e6 [2020-10-20 03:11:16,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/900a27161/2e5bb4113b7a4968be56738069725ccd [2020-10-20 03:11:16,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:16,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:16,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:16,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:16,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:16,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:16" (1/1) ... [2020-10-20 03:11:16,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfdb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:16, skipping insertion in model container [2020-10-20 03:11:16,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:16" (1/1) ... [2020-10-20 03:11:16,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:16,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:19,646 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:19,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@407ac102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:19, skipping insertion in model container [2020-10-20 03:11:19,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:19,648 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:19,652 INFO L168 Benchmark]: Toolchain (without parser) took 3408.12 ms. Allocated memory was 41.4 MB in the beginning and 49.3 MB in the end (delta: 7.9 MB). Free memory was 18.7 MB in the beginning and 15.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:19,653 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.1 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:19,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3400.00 ms. Allocated memory was 41.4 MB in the beginning and 49.3 MB in the end (delta: 7.9 MB). Free memory was 17.8 MB in the beginning and 15.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:19,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 30.9 MB. Free memory was 7.1 MB in the beginning and 7.1 MB in the end (delta: 43.8 kB). Peak memory consumption was 43.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 3400.00 ms. Allocated memory was 41.4 MB in the beginning and 49.3 MB in the end (delta: 7.9 MB). Free memory was 17.8 MB in the beginning and 15.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 19.3 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 03:11:21,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:21,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:21,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:21,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:21,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:21,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:21,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:21,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:21,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:21,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:21,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:21,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:21,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:21,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:21,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:21,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:21,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:21,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:21,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:21,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:21,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:21,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:21,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:21,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:21,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:21,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:21,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:21,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:21,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:21,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:21,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:21,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:21,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:21,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:21,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:21,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:21,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:21,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:21,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:21,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:21,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 03:11:21,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:21,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:21,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:21,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:21,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:21,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:21,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:21,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:21,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:21,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:21,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:21,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:21,723 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 03:11:21,724 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 03:11:21,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:21,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:21,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:21,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:21,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:21,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:21,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:21,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:21,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:21,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:21,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:21,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:21,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 03:11:21,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 03:11:21,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:21,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:21,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 03:11:21,729 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 -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-10-20 03:11:21,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:21,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:21,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:21,991 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:21,992 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:21,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-20 03:11:22,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2495985d0/4214c2be05654d0d849c24236fcbed2b/FLAG825dcd523 [2020-10-20 03:11:22,930 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:22,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-10-20 03:11:22,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2495985d0/4214c2be05654d0d849c24236fcbed2b/FLAG825dcd523 [2020-10-20 03:11:23,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2495985d0/4214c2be05654d0d849c24236fcbed2b [2020-10-20 03:11:23,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:23,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:23,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:23,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:23,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:23,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:23" (1/1) ... [2020-10-20 03:11:23,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b277c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:23, skipping insertion in model container [2020-10-20 03:11:23,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:23" (1/1) ... [2020-10-20 03:11:23,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:23,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:28,252 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:28,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3360aab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:28, skipping insertion in model container [2020-10-20 03:11:28,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:28,255 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:28,259 INFO L168 Benchmark]: Toolchain (without parser) took 4830.77 ms. Allocated memory was 36.2 MB in the beginning and 56.6 MB in the end (delta: 20.4 MB). Free memory was 7.8 MB in the beginning and 30.4 MB in the end (delta: -22.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:28,261 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 12.2 MB in the beginning and 12.1 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:28,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4821.99 ms. Allocated memory was 36.2 MB in the beginning and 56.6 MB in the end (delta: 20.4 MB). Free memory was 6.9 MB in the beginning and 30.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:28,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 12.2 MB in the beginning and 12.1 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 4821.99 ms. Allocated memory was 36.2 MB in the beginning and 56.6 MB in the end (delta: 20.4 MB). Free memory was 6.9 MB in the beginning and 30.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 16.5 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...