./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:33:35,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:33:35,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:33:35,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:33:35,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:33:35,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:33:35,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:33:35,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:33:35,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:33:35,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:33:35,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:33:35,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:33:35,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:33:35,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:33:35,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:33:35,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:33:35,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:33:35,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:33:35,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:33:35,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:33:35,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:33:35,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:33:35,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:33:35,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:33:35,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:33:35,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:33:35,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:33:35,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:33:35,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:33:35,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:33:35,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:33:35,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:33:35,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:33:35,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:33:35,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:33:35,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:33:35,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:33:35,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:33:35,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:33:35,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:33:35,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:33:35,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:33:35,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:33:35,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:33:35,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:33:35,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:33:35,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:33:35,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:33:35,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:33:35,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:33:35,798 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:33:35,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:33:35,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:33:35,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:33:35,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:33:35,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:33:35,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:33:35,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:33:35,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:33:35,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:33:35,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:33:35,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:33:35,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:33:35,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:33:35,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:33:35,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:33:35,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:33:35,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:33:35,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:33:35,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:33:35,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:33:35,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:33:35,808 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:33:35,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:33:35,809 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:33:35,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:33:35,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:33:35,809 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:33:35,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:33:35,810 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_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-25 04:33:36,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:33:36,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:33:36,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:33:36,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:33:36,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:33:36,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 04:33:36,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/42d46bcf2/c398aa161489475db1b5cb57301ac08c/FLAG36e5ac85f [2021-11-25 04:33:37,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:33:37,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 04:33:37,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/42d46bcf2/c398aa161489475db1b5cb57301ac08c/FLAG36e5ac85f [2021-11-25 04:33:37,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/42d46bcf2/c398aa161489475db1b5cb57301ac08c [2021-11-25 04:33:37,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:33:37,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:33:37,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:33:37,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:33:37,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:33:37,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:37" (1/1) ... [2021-11-25 04:33:37,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1364ae0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:37, skipping insertion in model container [2021-11-25 04:33:37,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:37" (1/1) ... [2021-11-25 04:33:37,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:33:37,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:33:38,388 WARN L230 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_3a9d85ec-022e-45ca-b361-b7537533a4d5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 04:33:42,442 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:33:42,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21a78b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:42, skipping insertion in model container [2021-11-25 04:33:42,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:33:42,445 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:33:42,447 INFO L158 Benchmark]: Toolchain (without parser) took 4717.09ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 41.8MB in the beginning and 85.6MB in the end (delta: -43.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-25 04:33:42,449 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:33:42,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4693.76ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 85.6MB in the end (delta: 10.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-11-25 04:33:42,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4693.76ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 85.6MB in the end (delta: 10.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:33:45,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:33:45,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:33:45,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:33:45,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:33:45,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:33:45,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:33:45,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:33:45,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:33:45,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:33:45,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:33:45,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:33:45,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:33:45,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:33:45,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:33:45,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:33:45,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:33:45,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:33:45,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:33:45,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:33:45,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:33:45,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:33:45,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:33:45,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:33:45,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:33:45,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:33:45,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:33:45,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:33:45,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:33:45,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:33:45,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:33:45,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:33:45,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:33:45,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:33:45,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:33:45,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:33:45,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:33:45,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:33:45,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:33:45,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:33:45,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:33:45,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-25 04:33:45,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:33:45,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:33:45,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:33:45,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:33:45,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:33:45,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:33:45,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:33:45,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:33:45,284 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:33:45,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:33:45,286 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:33:45,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:33:45,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:33:45,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:33:45,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:33:45,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:33:45,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 04:33:45,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 04:33:45,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:33:45,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:33:45,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:33:45,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:33:45,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:33:45,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:33:45,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:33:45,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:33:45,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:33:45,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:33:45,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:33:45,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-25 04:33:45,290 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:33:45,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 04:33:45,291 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:33:45,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:33:45,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:33:45,291 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:33:45,292 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:33:45,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 04:33:45,292 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_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-25 04:33:45,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:33:45,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:33:45,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:33:45,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:33:45,833 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:33:45,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 04:33:45,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/f5e4cd5f9/3e34f11325894e3096ccbda4c58258c8/FLAGd3716a47a [2021-11-25 04:33:47,087 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:33:47,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 04:33:47,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/f5e4cd5f9/3e34f11325894e3096ccbda4c58258c8/FLAGd3716a47a [2021-11-25 04:33:47,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a9d85ec-022e-45ca-b361-b7537533a4d5/bin/ugemcutter-4L4vKOHkXZ/data/f5e4cd5f9/3e34f11325894e3096ccbda4c58258c8 [2021-11-25 04:33:47,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:33:47,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:33:47,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:33:47,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:33:47,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:33:47,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:47" (1/1) ... [2021-11-25 04:33:47,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5059444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:47, skipping insertion in model container [2021-11-25 04:33:47,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:47" (1/1) ... [2021-11-25 04:33:47,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:33:47,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:33:48,093 WARN L230 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_3a9d85ec-022e-45ca-b361-b7537533a4d5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 04:33:52,206 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:33:52,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79e0fb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:52, skipping insertion in model container [2021-11-25 04:33:52,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:33:52,208 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:33:52,211 INFO L158 Benchmark]: Toolchain (without parser) took 4756.74ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.1MB in the beginning and 57.4MB in the end (delta: -16.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-25 04:33:52,211 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:33:52,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4753.75ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.9MB in the beginning and 57.4MB in the end (delta: -16.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-25 04:33:52,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4753.75ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.9MB in the beginning and 57.4MB in the end (delta: -16.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN