./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 19:00:17,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:00:17,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:00:17,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:00:17,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:00:17,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:00:17,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:00:17,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:00:17,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:00:17,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:00:17,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:00:17,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:00:17,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:00:17,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:00:17,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:00:17,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:00:17,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:00:17,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:00:17,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:00:17,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:00:17,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:00:17,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:00:17,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:00:17,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:00:17,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:00:17,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:00:17,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:00:17,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:00:17,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:00:17,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:00:17,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:00:17,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:00:17,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:00:17,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:00:17,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:00:17,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:00:17,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:00:17,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:00:17,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:00:17,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:00:17,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:00:17,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-13 19:00:17,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:00:17,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:00:17,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:00:17,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:00:17,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:00:17,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:00:17,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:00:17,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:00:17,979 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:00:17,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:00:17,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:00:17,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 19:00:17,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:00:17,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:00:17,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:00:17,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:00:17,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:00:17,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:00:17,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:00:17,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:00:17,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:00:17,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:00:17,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:00:17,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 19:00:17,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:00:17,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:17,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:00:17,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:00:17,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:00:17,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 19:00:17,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 19:00:17,988 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:00:17,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:00:17,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:00:17,989 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:00:17,989 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:00:17,989 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_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-13 19:00:18,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:18,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:18,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:18,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:18,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:18,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 19:00:18,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/5d6e8290d/c799f1b6295047fca2e8a24913fa9073/FLAG3fab75b9d [2021-11-13 19:00:19,211 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:19,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 19:00:19,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/5d6e8290d/c799f1b6295047fca2e8a24913fa9073/FLAG3fab75b9d [2021-11-13 19:00:19,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/5d6e8290d/c799f1b6295047fca2e8a24913fa9073 [2021-11-13 19:00:19,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:19,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:19,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:19,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:19,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:19,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:19" (1/1) ... [2021-11-13 19:00:19,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c1f0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:19, skipping insertion in model container [2021-11-13 19:00:19,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:19" (1/1) ... [2021-11-13 19:00:19,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:19,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:20,259 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_3407b0bb-a01c-4168-974e-bb0d6fabb138/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-13 19:00:23,878 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 19:00:23,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7361e29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:23, skipping insertion in model container [2021-11-13 19:00:23,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:23,879 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 19:00:23,881 INFO L158 Benchmark]: Toolchain (without parser) took 4156.16ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 63.5MB in the beginning and 79.1MB in the end (delta: -15.6MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-13 19:00:23,882 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 19:00:23,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4153.82ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 63.3MB in the beginning and 79.1MB in the end (delta: -15.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-13 19:00:23,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4153.82ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 63.3MB in the beginning and 79.1MB in the end (delta: -15.8MB). Peak memory consumption was 38.0MB. 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 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_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 19:00:26,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:00:26,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:00:26,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:00:26,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:00:26,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:00:26,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:00:26,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:00:26,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:00:26,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:00:26,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:00:26,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:00:26,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:00:26,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:00:26,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:00:26,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:00:26,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:00:26,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:00:26,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:00:26,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:00:26,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:00:26,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:00:26,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:00:26,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:00:26,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:00:26,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:00:26,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:00:26,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:00:26,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:00:26,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:00:26,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:00:26,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:00:26,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:00:26,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:00:26,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:00:26,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:00:26,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:00:26,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:00:26,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:00:26,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:00:26,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:00:26,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-13 19:00:26,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:00:26,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:00:26,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:00:26,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:00:26,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:00:26,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:00:26,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:00:26,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:00:26,335 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:00:26,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:00:26,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:00:26,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:00:26,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:00:26,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:00:26,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:00:26,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:00:26,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 19:00:26,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 19:00:26,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:00:26,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:00:26,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:00:26,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:00:26,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:00:26,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:00:26,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:00:26,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:26,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:00:26,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:00:26,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:00:26,342 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 19:00:26,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 19:00:26,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:00:26,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:00:26,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:00:26,343 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:00:26,343 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:00:26,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 19:00:26,344 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_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-13 19:00:26,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:26,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:26,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:26,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:26,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:26,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 19:00:26,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/4cf4b014e/882e2319961d42c68b7d8e69a1181589/FLAG964838664 [2021-11-13 19:00:27,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:27,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 19:00:27,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/4cf4b014e/882e2319961d42c68b7d8e69a1181589/FLAG964838664 [2021-11-13 19:00:28,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3407b0bb-a01c-4168-974e-bb0d6fabb138/bin/ugemcutter-4ibYxwfQ6a/data/4cf4b014e/882e2319961d42c68b7d8e69a1181589 [2021-11-13 19:00:28,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:28,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:28,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:28,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:28,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:28,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:28" (1/1) ... [2021-11-13 19:00:28,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242da79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:28, skipping insertion in model container [2021-11-13 19:00:28,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:28" (1/1) ... [2021-11-13 19:00:28,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:28,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:28,810 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_3407b0bb-a01c-4168-974e-bb0d6fabb138/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-13 19:00:32,017 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 19:00:32,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61791c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:32, skipping insertion in model container [2021-11-13 19:00:32,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:32,019 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 19:00:32,021 INFO L158 Benchmark]: Toolchain (without parser) took 3837.19ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 35.9MB in the beginning and 69.3MB in the end (delta: -33.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-13 19:00:32,021 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 19:00:32,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3834.72ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 35.8MB in the beginning and 69.3MB in the end (delta: -33.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-11-13 19:00:32,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3834.72ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 35.8MB in the beginning and 69.3MB in the end (delta: -33.5MB). Peak memory consumption was 31.9MB. 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