./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 02:22:54,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,680 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,689 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,690 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,690 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,690 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-20 02:22:54,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:55,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:55,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:55,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:55,021 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:55,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-20 02:22:55,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/41aeea4c3/321c9c18a1764b82bb6ba4b97d3cb9bb/FLAG405790e23 [2021-10-20 02:22:56,127 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:56,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-20 02:22:56,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/41aeea4c3/321c9c18a1764b82bb6ba4b97d3cb9bb/FLAG405790e23 [2021-10-20 02:22:56,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/41aeea4c3/321c9c18a1764b82bb6ba4b97d3cb9bb [2021-10-20 02:22:56,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:56,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:56,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:56,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:56,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317452f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56, skipping insertion in model container [2021-10-20 02:22:56,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:56,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:57,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-20 02:23:00,661 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:00,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a6fbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:00, skipping insertion in model container [2021-10-20 02:23:00,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:00,663 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:00,666 INFO L168 Benchmark]: Toolchain (without parser) took 4110.69 ms. Allocated memory is still 113.2 MB. Free memory was 84.9 MB in the beginning and 72.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,667 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:00,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4106.06 ms. Allocated memory is still 113.2 MB. Free memory was 84.9 MB in the beginning and 72.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,670 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 90.2 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4106.06 ms. Allocated memory is still 113.2 MB. Free memory was 84.9 MB in the beginning and 72.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 33.2 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-e943c26 [2021-10-20 02:23:03,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:23:03,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:23:03,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:23:03,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:23:03,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:23:03,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:23:03,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:23:03,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:23:03,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:23:03,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:23:03,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:23:03,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:23:03,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:23:03,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:23:03,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:23:03,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:23:03,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:23:03,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:23:03,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:23:03,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:23:03,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:23:03,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:23:03,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:23:03,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:23:03,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:23:03,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:23:03,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:23:03,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:23:03,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:23:03,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:23:03,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:23:03,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:23:03,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:23:03,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:23:03,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:23:03,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:23:03,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:23:03,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:23:03,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:23:03,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:23:03,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-20 02:23:03,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:23:03,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:23:03,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:23:03,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:23:03,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:23:03,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:23:03,539 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:23:03,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:23:03,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:23:03,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:23:03,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:23:03,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:23:03,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:23:03,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:23:03,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 02:23:03,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 02:23:03,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:23:03,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:23:03,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:23:03,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:23:03,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:23:03,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:23:03,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:23:03,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:03,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:23:03,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:23:03,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:23:03,547 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-20 02:23:03,547 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 02:23:03,547 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:23:03,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:23:03,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:23:03,548 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:23:03,549 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:23:03,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 02:23:03,549 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-10-20 02:23:04,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:23:04,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:23:04,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:23:04,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:23:04,077 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:23:04,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-20 02:23:04,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/556a361c4/2e3aaa3f6d914b56aeb18e871c183aaa/FLAGc23878061 [2021-10-20 02:23:05,234 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:23:05,234 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-20 02:23:05,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/556a361c4/2e3aaa3f6d914b56aeb18e871c183aaa/FLAGc23878061 [2021-10-20 02:23:05,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/bin/ugemcutter-S3k5n7jwrD/data/556a361c4/2e3aaa3f6d914b56aeb18e871c183aaa [2021-10-20 02:23:05,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:23:05,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:23:05,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:05,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:23:05,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:23:05,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:05" (1/1) ... [2021-10-20 02:23:05,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a514bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:05, skipping insertion in model container [2021-10-20 02:23:05,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:05" (1/1) ... [2021-10-20 02:23:05,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:23:05,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:23:06,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7135dd16-a9af-49d0-ac6d-cf25e92c7b07/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-20 02:23:10,786 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:10,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19dd011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:10, skipping insertion in model container [2021-10-20 02:23:10,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:10,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:10,792 INFO L168 Benchmark]: Toolchain (without parser) took 5202.94 ms. Allocated memory is still 81.8 MB. Free memory was 51.2 MB in the beginning and 43.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:10,794 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:10,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5196.99 ms. Allocated memory is still 81.8 MB. Free memory was 51.0 MB in the beginning and 43.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:10,798 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 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5196.99 ms. Allocated memory is still 81.8 MB. Free memory was 51.0 MB in the beginning and 43.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 27.6 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...