./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_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 eefa9a333e1ee4770c037634061df0061348ca43 ..................................................................................................................................... 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_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 eefa9a333e1ee4770c037634061df0061348ca43 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:55:49,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:55:49,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:55:49,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:55:49,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:55:49,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:55:49,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:55:49,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:55:49,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:55:49,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:55:49,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:55:49,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:55:49,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:55:49,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:55:49,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:55:49,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:55:49,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:55:49,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:55:49,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:55:49,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:55:49,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:55:49,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:55:49,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:55:49,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:55:49,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:55:49,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:55:49,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:55:49,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:55:49,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:55:49,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:55:49,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:55:49,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:55:49,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:55:49,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:55:49,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:55:49,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:55:49,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:55:49,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:55:49,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:55:49,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:55:49,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:55:49,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:55:49,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:55:49,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:55:49,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:55:49,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:55:49,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:55:49,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:55:49,635 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:55:49,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:55:49,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:55:49,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:55:49,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:55:49,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:55:49,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:55:49,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:55:49,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:55:49,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:55:49,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:55:49,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:55:49,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:55:49,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:55:49,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:55:49,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:55:49,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:55:49,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:55:49,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:55:49,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:55:49,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:55:49,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:55:49,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:55:49,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:55:49,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-09-22 14:55:50,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:55:50,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:55:50,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:55:50,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:55:50,033 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:55:50,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-09-22 14:55:50,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef43620d/eb5429c0e34a4f23a75ce9930ef0dfb7/FLAGa36012c07 [2021-09-22 14:55:50,751 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:55:50,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-09-22 14:55:50,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef43620d/eb5429c0e34a4f23a75ce9930ef0dfb7/FLAGa36012c07 [2021-09-22 14:55:50,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef43620d/eb5429c0e34a4f23a75ce9930ef0dfb7 [2021-09-22 14:55:50,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:55:50,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:55:50,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:50,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:55:50,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:55:50,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:50" (1/1) ... [2021-09-22 14:55:50,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6419351a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:50, skipping insertion in model container [2021-09-22 14:55:50,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:50" (1/1) ... [2021-09-22 14:55:50,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:55:51,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:55:51,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-09-22 14:55:53,714 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:55:53,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71737bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:53, skipping insertion in model container [2021-09-22 14:55:53,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:53,715 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:55:53,717 INFO L168 Benchmark]: Toolchain (without parser) took 2787.02 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 26.6 MB in the beginning and 40.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:53,718 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:55:53,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2782.87 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 26.4 MB in the beginning and 40.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:55:53,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2782.87 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 26.4 MB in the beginning and 40.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 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 0.2.1-dev-997cd7c-m [2021-09-22 14:55:55,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:55:55,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:55:55,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:55:55,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:55:55,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:55:55,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:55:55,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:55:55,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:55:55,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:55:55,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:55:55,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:55:55,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:55:55,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:55:55,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:55:55,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:55:55,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:55:55,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:55:55,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:55:55,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:55:55,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:55:55,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:55:55,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:55:55,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:55:55,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:55:55,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:55:55,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:55:55,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:55:55,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:55:55,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:55:55,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:55:55,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:55:55,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:55:55,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:55:55,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:55:55,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:55:55,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:55:55,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:55:55,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:55:55,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:55:55,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:55:55,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:55:55,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:55:55,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:55:55,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:55:55,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:55:55,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:55:55,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:55:55,575 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:55:55,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:55:55,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:55:55,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:55:55,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:55:55,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:55:55,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:55:55,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:55:55,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:55:55,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:55:55,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:55:55,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:55:55,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:55:55,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:55:55,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:55:55,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:55:55,579 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:55:55,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:55:55,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:55:55,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:55:55,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:55:55,580 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-09-22 14:55:55,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:55:55,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:55:55,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:55:55,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:55:55,935 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:55:55,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-09-22 14:55:56,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f94d0863/d1dc5cdb0610430c8fd46fc7466a0ba6/FLAG5e6282347 [2021-09-22 14:55:56,814 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:55:56,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-09-22 14:55:56,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f94d0863/d1dc5cdb0610430c8fd46fc7466a0ba6/FLAG5e6282347 [2021-09-22 14:55:57,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f94d0863/d1dc5cdb0610430c8fd46fc7466a0ba6 [2021-09-22 14:55:57,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:55:57,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:55:57,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:57,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:55:57,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:55:57,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:57" (1/1) ... [2021-09-22 14:55:57,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201ef82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:57, skipping insertion in model container [2021-09-22 14:55:57,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:57" (1/1) ... [2021-09-22 14:55:57,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:55:57,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:55:57,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-09-22 14:56:00,274 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:00,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d1953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:00, skipping insertion in model container [2021-09-22 14:56:00,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:00,275 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:00,277 INFO L168 Benchmark]: Toolchain (without parser) took 3250.06 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.6 MB in the beginning and 48.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:00,278 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:00,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3245.78 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.5 MB in the beginning and 48.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:00,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3245.78 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.5 MB in the beginning and 48.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 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...