./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 65d6cd23 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_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc81abaa778adea7431183b2fd072f16b613c8e2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc81abaa778adea7431183b2fd072f16b613c8e2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:22:35,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:22:35,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:22:35,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:22:35,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:22:35,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:22:35,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:22:35,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:22:35,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:22:35,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:22:35,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:22:35,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:22:35,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:22:35,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:22:35,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:22:35,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:22:35,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:22:35,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:22:35,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:22:35,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:22:35,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:22:35,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:22:35,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:22:35,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:22:35,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:22:35,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:22:35,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:22:35,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:22:35,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:22:35,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:22:35,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:22:35,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:22:35,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:22:35,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:22:35,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:22:35,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:22:35,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:22:35,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:22:35,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:22:35,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:22:35,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:22:35,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:22:35,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:22:35,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:22:35,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:22:35,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:22:35,485 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:22:35,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:22:35,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:22:35,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:22:35,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:22:35,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:22:35,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:22:35,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:22:35,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:22:35,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:22:35,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:22:35,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:22:35,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:22:35,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:22:35,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:22:35,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:22:35,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:22:35,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:22:35,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:22:35,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:22:35,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:22:35,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:22:35,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:22:35,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:22:35,498 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-25 23:22:35,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:22:35,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:22:35,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:22:35,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:22:35,975 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:22:35,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-25 23:22:36,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e395b2de9/a9551068ea4946e7bc24a0b9235fe698/FLAG7aa20cb2e [2019-11-25 23:22:37,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:22:37,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-25 23:22:37,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e395b2de9/a9551068ea4946e7bc24a0b9235fe698/FLAG7aa20cb2e [2019-11-25 23:22:37,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e395b2de9/a9551068ea4946e7bc24a0b9235fe698 [2019-11-25 23:22:37,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:22:37,601 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:22:37,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:37,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:22:37,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:22:37,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:37" (1/1) ... [2019-11-25 23:22:37,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33339763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:37, skipping insertion in model container [2019-11-25 23:22:37,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:37" (1/1) ... [2019-11-25 23:22:37,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:22:37,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:22:43,639 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-25 23:22:43,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3462672b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:43, skipping insertion in model container [2019-11-25 23:22:43,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:43,641 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:22:43,650 INFO L168 Benchmark]: Toolchain (without parser) took 6043.51 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 947.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:43,661 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 23:22:43,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6038.31 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 947.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:43,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 6038.31 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 947.3 MB in the end (delta: 2.9 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 0.1.24-65d6cd2 [2019-11-25 23:22:46,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:22:46,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:22:46,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:22:46,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:22:46,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:22:46,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:22:46,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:22:46,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:22:46,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:22:46,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:22:46,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:22:46,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:22:46,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:22:46,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:22:46,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:22:46,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:22:46,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:22:46,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:22:46,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:22:46,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:22:46,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:22:46,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:22:46,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:22:46,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:22:46,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:22:46,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:22:46,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:22:46,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:22:46,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:22:46,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:22:46,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:22:46,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:22:46,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:22:46,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:22:46,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:22:46,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:22:46,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:22:46,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:22:46,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:22:46,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:22:46,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:22:46,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:22:46,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:22:46,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:22:46,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:22:46,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:22:46,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:22:46,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:22:46,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:22:46,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:22:46,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:22:46,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:22:46,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:22:46,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:22:46,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:22:46,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:22:46,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:22:46,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:22:46,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:22:46,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:22:46,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:22:46,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:22:46,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:22:46,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:22:46,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:22:46,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:22:46,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:22:46,625 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:22:46,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:22:46,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:22:46,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:22:46,627 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-25 23:22:47,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:22:47,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:22:47,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:22:47,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:22:47,101 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:22:47,102 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-25 23:22:47,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e001c52/8a517e134ae143dcbc82166046fa2e71/FLAG43b73b1de [2019-11-25 23:22:48,443 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:22:48,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-25 23:22:48,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e001c52/8a517e134ae143dcbc82166046fa2e71/FLAG43b73b1de [2019-11-25 23:22:48,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e001c52/8a517e134ae143dcbc82166046fa2e71 [2019-11-25 23:22:48,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:22:48,739 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:22:48,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:48,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:22:48,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:22:48,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:48" (1/1) ... [2019-11-25 23:22:48,759 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 25.11 11:22:48, skipping insertion in model container [2019-11-25 23:22:48,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:48" (1/1) ... [2019-11-25 23:22:48,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:22:48,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:22:53,519 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-25 23:22:53,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ae4f7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:53, skipping insertion in model container [2019-11-25 23:22:53,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:53,521 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:22:53,524 INFO L168 Benchmark]: Toolchain (without parser) took 4784.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 941.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:53,526 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-25 23:22:53,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4781.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 941.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:53,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 4781.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 941.6 MB in the end (delta: 10.1 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...