./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG --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 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG --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 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:28:00,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:28:00,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:28:00,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:28:00,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:28:00,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:28:00,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:28:00,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:28:00,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:28:00,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:28:00,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:28:00,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:28:00,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:28:00,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:28:00,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:28:00,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:28:00,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:28:00,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:28:01,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:28:01,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:28:01,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:28:01,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:28:01,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:28:01,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:28:01,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:28:01,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:28:01,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:28:01,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:28:01,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:28:01,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:28:01,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:28:01,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:28:01,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:28:01,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:28:01,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:28:01,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:28:01,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:28:01,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:28:01,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:28:01,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:28:01,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:28:01,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:28:01,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:28:01,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:28:01,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:28:01,111 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:28:01,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:28:01,111 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:28:01,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:28:01,112 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:28:01,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:28:01,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:28:01,121 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:28:01,122 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:28:01,122 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:28:01,122 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:28:01,122 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:28:01,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:28:01,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:28:01,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:28:01,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:28:01,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:28:01,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:28:01,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:28:01,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:28:01,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:28:01,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:28:01,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:28:01,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:28:01,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:28:01,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:28:01,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:28:01,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:28:01,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:28:01,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:28:01,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:28:01,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:28:01,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:28:01,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:28:01,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:28:01,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:28:01,134 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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-29 05:28:01,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:28:01,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:28:01,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:28:01,437 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:28:01,438 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:28:01,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-29 05:28:01,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/daa19a89d/64c7b64155d2435a89b19e208dedee33/FLAG9fe8eca10 [2021-10-29 05:28:02,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:28:02,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-29 05:28:02,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/daa19a89d/64c7b64155d2435a89b19e208dedee33/FLAG9fe8eca10 [2021-10-29 05:28:02,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/daa19a89d/64c7b64155d2435a89b19e208dedee33 [2021-10-29 05:28:02,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:28:02,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:28:02,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:28:02,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:28:02,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:28:02,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:28:02" (1/1) ... [2021-10-29 05:28:02,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0cafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:28:02, skipping insertion in model container [2021-10-29 05:28:02,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:28:02" (1/1) ... [2021-10-29 05:28:02,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:28:03,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:28:03,588 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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-29 05:28:07,343 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:28:07,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@136cc182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:28:07, skipping insertion in model container [2021-10-29 05:28:07,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:28:07,344 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:28:07,346 INFO L168 Benchmark]: Toolchain (without parser) took 4447.01 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 55.9 MB in the beginning and 70.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:28:07,347 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:28:07,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4441.40 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 55.7 MB in the beginning and 70.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:28:07,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4441.40 ms. Allocated memory was 100.7 MB in the beginning and 138.4 MB in the end (delta: 37.7 MB). Free memory was 55.7 MB in the beginning and 70.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:28:09,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:28:09,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:28:09,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:28:09,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:28:09,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:28:09,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:28:09,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:28:09,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:28:09,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:28:09,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:28:09,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:28:09,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:28:09,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:28:09,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:28:09,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:28:09,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:28:09,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:28:09,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:28:09,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:28:09,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:28:09,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:28:09,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:28:09,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:28:09,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:28:09,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:28:09,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:28:09,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:28:09,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:28:09,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:28:09,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:28:09,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:28:09,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:28:09,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:28:09,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:28:09,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:28:09,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:28:09,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:28:09,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:28:09,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:28:09,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:28:09,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:28:10,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:28:10,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:28:10,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:28:10,047 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:28:10,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:28:10,047 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:28:10,047 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:28:10,048 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:28:10,048 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:28:10,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:28:10,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:28:10,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:28:10,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:28:10,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:28:10,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:28:10,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:28:10,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:28:10,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:28:10,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:28:10,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:28:10,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:28:10,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:28:10,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:28:10,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:28:10,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:28:10,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:28:10,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:28:10,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:28:10,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:28:10,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:28:10,056 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:28:10,056 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:28:10,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:28:10,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:28:10,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:28:10,058 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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-29 05:28:10,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:28:10,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:28:10,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:28:10,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:28:10,552 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:28:10,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-29 05:28:10,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/66446f7ec/9f74db0b65cf432591b1ccfe804a468e/FLAG15fe9ad19 [2021-10-29 05:28:11,652 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:28:11,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-29 05:28:11,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/66446f7ec/9f74db0b65cf432591b1ccfe804a468e/FLAG15fe9ad19 [2021-10-29 05:28:12,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/bin/utaipan-SDwSMHVbGG/data/66446f7ec/9f74db0b65cf432591b1ccfe804a468e [2021-10-29 05:28:12,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:28:12,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:28:12,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:28:12,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:28:12,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:28:12,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:28:12" (1/1) ... [2021-10-29 05:28:12,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfcbe3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:28:12, skipping insertion in model container [2021-10-29 05:28:12,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:28:12" (1/1) ... [2021-10-29 05:28:12,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:28:12,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:28:12,695 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_f7c69e05-6fd2-4d51-8ec9-29f7172a7b3c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-29 05:28:16,756 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:28:16,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b32a9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:28:16, skipping insertion in model container [2021-10-29 05:28:16,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:28:16,758 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:28:16,760 INFO L168 Benchmark]: Toolchain (without parser) took 4663.38 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 39.4 MB in the beginning and 53.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:28:16,761 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:28:16,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4660.65 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 39.3 MB in the beginning and 53.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:28:16,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4660.65 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 39.3 MB in the beginning and 53.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...