./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 04:51:34,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:51:34,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:51:34,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:51:34,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:51:34,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:51:34,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:51:34,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:51:34,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:51:34,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:51:34,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:51:34,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:51:34,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:51:34,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:51:34,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:51:34,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:51:34,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:51:34,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:51:34,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:51:34,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:51:34,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:51:34,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:51:34,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:51:34,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:51:34,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:51:34,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:51:34,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:51:34,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:51:34,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:51:34,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:51:34,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:51:34,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:51:34,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:51:34,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:51:34,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:51:34,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:51:34,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:51:34,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:51:34,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:51:34,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:51:34,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:51:34,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:51:34,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:51:34,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:51:34,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:51:34,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:51:34,928 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:51:34,929 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:51:34,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:51:34,929 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:51:34,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:51:34,929 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:51:34,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:51:34,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:51:34,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:51:34,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:51:34,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:51:34,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:51:34,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:51:34,932 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-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-09 04:51:35,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:51:35,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:51:35,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:51:35,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:51:35,132 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:51:35,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-09 04:51:35,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/cba1d6efa/ddd05e5848274c7e99ea36e92ea3a894/FLAGfbb06d74a [2020-12-09 04:51:35,785 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:51:35,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-09 04:51:35,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/cba1d6efa/ddd05e5848274c7e99ea36e92ea3a894/FLAGfbb06d74a [2020-12-09 04:51:36,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/cba1d6efa/ddd05e5848274c7e99ea36e92ea3a894 [2020-12-09 04:51:36,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:51:36,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:51:36,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:51:36,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:51:36,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:51:36,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:36" (1/1) ... [2020-12-09 04:51:36,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418a0a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:36, skipping insertion in model container [2020-12-09 04:51:36,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:36" (1/1) ... [2020-12-09 04:51:36,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:51:36,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:51:36,668 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2020-12-09 04:51:39,396 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 04:51:39,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@671cba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:39, skipping insertion in model container [2020-12-09 04:51:39,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:51:39,397 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 04:51:39,399 INFO L168 Benchmark]: Toolchain (without parser) took 3144.04 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 85.9 MB in the beginning and 108.7 MB in the end (delta: -22.7 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:51:39,399 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 111.1 MB. Free memory is still 90.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:51:39,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3135.53 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 85.7 MB in the beginning and 108.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:51:39,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 111.1 MB. Free memory is still 90.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3135.53 ms. Allocated memory was 111.1 MB in the beginning and 148.9 MB in the end (delta: 37.7 MB). Free memory was 85.7 MB in the beginning and 108.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 38.8 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 0.2.0-7b2dab5 [2020-12-09 04:51:40,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:51:40,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:51:40,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:51:40,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:51:40,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:51:40,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:51:40,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:51:40,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:51:40,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:51:40,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:51:40,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:51:40,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:51:40,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:51:40,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:51:40,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:51:40,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:51:40,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:51:40,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:51:40,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:51:40,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:51:40,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:51:40,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:51:40,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:51:40,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:51:40,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:51:40,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:51:40,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:51:40,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:51:40,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:51:40,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:51:40,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:51:40,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:51:40,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:51:40,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:51:40,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:51:40,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:51:40,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:51:40,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:51:40,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:51:40,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:51:40,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 04:51:40,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:51:40,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:51:40,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:51:40,810 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:51:40,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:51:40,810 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:51:40,810 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:51:40,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:51:40,810 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:51:40,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:51:40,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:51:40,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 04:51:40,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:51:40,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:51:40,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:51:40,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:51:40,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:51:40,817 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 04:51:40,817 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 04:51:40,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:51:40,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:51:40,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:51:40,818 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-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-09 04:51:41,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:51:41,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:51:41,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:51:41,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:51:41,053 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:51:41,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-09 04:51:41,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/676e76061/5f8ab0bf59eb45ca98077acbeeca1230/FLAGd396fc671 [2020-12-09 04:51:41,682 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:51:41,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-09 04:51:41,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/676e76061/5f8ab0bf59eb45ca98077acbeeca1230/FLAGd396fc671 [2020-12-09 04:51:42,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/bin/utaipan/data/676e76061/5f8ab0bf59eb45ca98077acbeeca1230 [2020-12-09 04:51:42,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:51:42,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:51:42,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:51:42,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:51:42,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:51:42,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:42" (1/1) ... [2020-12-09 04:51:42,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547223a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:42, skipping insertion in model container [2020-12-09 04:51:42,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:51:42" (1/1) ... [2020-12-09 04:51:42,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:51:42,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:51:42,555 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_516da236-6e90-403e-ba7b-f5bb749b63f6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2020-12-09 04:51:45,362 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 04:51:45,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@116313b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:51:45, skipping insertion in model container [2020-12-09 04:51:45,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:51:45,363 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 04:51:45,365 INFO L168 Benchmark]: Toolchain (without parser) took 3208.86 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 36.4 MB in the beginning and 38.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-12-09 04:51:45,365 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:51:45,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3205.76 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 36.2 MB in the beginning and 38.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-12-09 04:51:45,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3205.76 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 36.2 MB in the beginning and 38.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 26.4 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...