./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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/TaipanReach.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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7 --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 Taipan --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 18:28:35,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:28:35,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:28:35,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:28:35,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:28:35,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:28:35,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:28:35,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:28:35,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:28:35,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:28:35,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:28:35,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:28:35,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:28:35,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:28:35,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:28:35,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:28:35,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:28:35,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:28:35,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:28:35,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:28:35,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:28:35,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:28:35,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:28:35,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:28:35,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:28:35,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:28:35,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:28:35,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:28:35,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:28:35,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:28:35,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:28:35,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:28:35,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:28:35,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:28:35,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:28:35,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:28:35,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:28:35,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:28:35,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:28:35,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:28:35,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:28:35,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:28:35,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:28:35,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:28:35,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:28:35,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:28:35,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:28:35,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:28:35,973 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:28:35,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:28:35,973 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:28:35,974 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:28:35,975 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:28:35,975 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:28:35,975 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:28:35,975 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:28:35,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:28:35,976 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:28:35,976 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:28:35,976 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:28:35,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:28:35,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:28:35,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:28:35,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:28:35,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:28:35,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:28:35,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:28:35,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:28:35,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:28:35,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:28:35,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:28:35,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:28:35,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:28:35,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:28:35,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:28:35,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:28:35,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:28:35,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:28:35,982 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:28:35,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:28:35,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:28:35,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:28:35,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:28:35,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-25 18:28:36,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:28:36,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:28:36,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:28:36,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:28:36,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:28:36,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 18:28:36,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/a06b875a8/2aa1c7d61d894b12b42300af8fb1db0c/FLAG46e7ec783 [2021-11-25 18:28:37,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:28:37,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 18:28:37,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/a06b875a8/2aa1c7d61d894b12b42300af8fb1db0c/FLAG46e7ec783 [2021-11-25 18:28:37,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/a06b875a8/2aa1c7d61d894b12b42300af8fb1db0c [2021-11-25 18:28:37,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:28:37,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:28:37,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:37,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:28:37,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:28:37,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:37" (1/1) ... [2021-11-25 18:28:37,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b93052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:37, skipping insertion in model container [2021-11-25 18:28:37,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:37" (1/1) ... [2021-11-25 18:28:37,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:28:37,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:28:38,334 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_d1ec7105-2419-4316-94c8-5d174b5a6449/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 18:28:41,710 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 18:28:41,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75a8f87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:41, skipping insertion in model container [2021-11-25 18:28:41,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:41,712 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:28:41,715 INFO L158 Benchmark]: Toolchain (without parser) took 3966.24ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 78.7MB in the beginning and 104.5MB in the end (delta: -25.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-25 18:28:41,715 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:28:41,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3963.68ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 78.3MB in the beginning and 104.5MB in the end (delta: -26.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-25 18:28:41,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3963.68ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 78.3MB in the beginning and 104.5MB in the end (delta: -26.3MB). Peak memory consumption was 35.5MB. 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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/TaipanReach.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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7 --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 Taipan --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 18:28:44,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:28:44,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:28:44,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:28:44,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:28:44,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:28:44,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:28:44,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:28:44,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:28:44,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:28:44,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:28:44,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:28:44,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:28:44,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:28:44,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:28:44,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:28:44,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:28:44,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:28:44,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:28:44,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:28:44,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:28:44,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:28:44,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:28:44,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:28:44,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:28:44,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:28:44,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:28:44,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:28:44,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:28:44,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:28:44,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:28:44,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:28:44,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:28:44,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:28:44,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:28:44,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:28:44,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:28:44,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:28:44,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:28:44,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:28:44,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:28:44,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 18:28:44,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:28:44,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:28:44,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:28:44,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:28:44,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:28:44,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:28:44,357 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:28:44,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:28:44,358 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:28:44,358 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:28:44,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:28:44,360 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:28:44,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:28:44,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:28:44,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:28:44,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:28:44,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:28:44,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:28:44,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:28:44,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:28:44,363 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:28:44,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:28:44,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:28:44,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:28:44,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:28:44,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:28:44,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:28:44,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:28:44,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:28:44,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:28:44,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:28:44,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:28:44,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:28:44,367 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:28:44,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:28:44,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:28:44,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:28:44,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:28:44,369 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_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-25 18:28:44,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:28:44,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:28:44,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:28:44,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:28:44,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:28:44,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 18:28:44,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/9352773ff/d4e903b91b2841aea918c21682900de2/FLAG3efe4526c [2021-11-25 18:28:45,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:28:45,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-25 18:28:45,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/9352773ff/d4e903b91b2841aea918c21682900de2/FLAG3efe4526c [2021-11-25 18:28:46,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ec7105-2419-4316-94c8-5d174b5a6449/bin/utaipan-eEHZpOm5b7/data/9352773ff/d4e903b91b2841aea918c21682900de2 [2021-11-25 18:28:46,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:28:46,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:28:46,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:46,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:28:46,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:28:46,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:46" (1/1) ... [2021-11-25 18:28:46,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fc7e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:46, skipping insertion in model container [2021-11-25 18:28:46,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:46" (1/1) ... [2021-11-25 18:28:46,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:28:46,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:28:46,975 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_d1ec7105-2419-4316-94c8-5d174b5a6449/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-25 18:28:50,309 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 18:28:50,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@248fde02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:50, skipping insertion in model container [2021-11-25 18:28:50,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:50,310 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:28:50,312 INFO L158 Benchmark]: Toolchain (without parser) took 3992.86ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.7MB in the beginning and 55.7MB in the end (delta: -24.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-25 18:28:50,312 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:28:50,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3988.02ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.6MB in the beginning and 56.1MB in the end (delta: -24.5MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-25 18:28:50,315 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 62.9MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3988.02ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.6MB in the beginning and 56.1MB in the end (delta: -24.5MB). Peak memory consumption was 24.7MB. 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