./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs --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 eefa9a333e1ee4770c037634061df0061348ca43 ........................................................................................................................................... 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_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs --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 eefa9a333e1ee4770c037634061df0061348ca43 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:13:44,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:13:44,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:13:44,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:13:44,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:13:44,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:13:44,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:13:44,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:13:44,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:13:44,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:13:44,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:13:44,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:13:44,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:13:44,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:13:44,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:13:44,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:13:44,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:13:44,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:13:44,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:13:44,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:13:44,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:13:44,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:13:44,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:13:44,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:13:44,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:13:44,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:13:44,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:13:44,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:13:44,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:13:44,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:13:44,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:13:44,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:13:44,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:13:44,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:13:44,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:13:44,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:13:44,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:13:44,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:13:44,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:13:44,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:13:44,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:13:44,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:13:44,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:13:44,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:13:44,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:13:44,975 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:13:44,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:13:44,975 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:13:44,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:13:44,976 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:13:44,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:13:44,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:13:44,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:13:44,977 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:13:44,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:13:44,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:13:44,978 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:13:44,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:13:44,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:13:44,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:13:44,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:13:44,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:13:44,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:13:44,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:13:44,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:13:44,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:13:44,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:13:44,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:13:44,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:13:44,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:13:44,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:13:44,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:13:44,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:44,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:13:44,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:13:44,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:13:44,984 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:13:44,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:13:44,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:13:44,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:13:44,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:13:44,985 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_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-10-16 03:13:45,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:13:45,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:13:45,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:13:45,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:13:45,351 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:13:45,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-16 03:13:45,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/4b900a3d3/fb66c5418bb546efbdfbeaffb9fb2015/FLAGffe74498f [2021-10-16 03:13:46,355 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:13:46,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-16 03:13:46,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/4b900a3d3/fb66c5418bb546efbdfbeaffb9fb2015/FLAGffe74498f [2021-10-16 03:13:46,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/4b900a3d3/fb66c5418bb546efbdfbeaffb9fb2015 [2021-10-16 03:13:46,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:13:46,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:13:46,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:46,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:13:46,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:13:46,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:46" (1/1) ... [2021-10-16 03:13:46,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ac9a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:46, skipping insertion in model container [2021-10-16 03:13:46,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:46" (1/1) ... [2021-10-16 03:13:46,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:13:47,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:13:47,490 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_2d748bfb-3c81-4682-a64c-20cab878624e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-16 03:13:52,315 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 03:13:52,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2668efa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:52, skipping insertion in model container [2021-10-16 03:13:52,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:52,317 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:13:52,319 INFO L168 Benchmark]: Toolchain (without parser) took 5512.53 ms. Allocated memory is still 107.0 MB. Free memory was 55.0 MB in the beginning and 66.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:52,320 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:52,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5508.34 ms. Allocated memory is still 107.0 MB. Free memory was 54.8 MB in the beginning and 66.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:52,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5508.34 ms. Allocated memory is still 107.0 MB. Free memory was 54.8 MB in the beginning and 66.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 25.4 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-5709675 [2021-10-16 03:13:54,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:13:54,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:13:55,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:13:55,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:13:55,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:13:55,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:13:55,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:13:55,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:13:55,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:13:55,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:13:55,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:13:55,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:13:55,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:13:55,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:13:55,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:13:55,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:13:55,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:13:55,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:13:55,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:13:55,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:13:55,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:13:55,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:13:55,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:13:55,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:13:55,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:13:55,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:13:55,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:13:55,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:13:55,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:13:55,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:13:55,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:13:55,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:13:55,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:13:55,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:13:55,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:13:55,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:13:55,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:13:55,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:13:55,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:13:55,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:13:55,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:13:55,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:13:55,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:13:55,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:13:55,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:13:55,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:13:55,200 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:13:55,201 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:13:55,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:13:55,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:13:55,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:13:55,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:13:55,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:13:55,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:13:55,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:13:55,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:13:55,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:13:55,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:13:55,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:13:55,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:13:55,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:13:55,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:13:55,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:13:55,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:13:55,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:13:55,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:13:55,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:13:55,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:55,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:13:55,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:13:55,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:13:55,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:13:55,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:13:55,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:13:55,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:13:55,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:13:55,212 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_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-10-16 03:13:55,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:13:55,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:13:55,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:13:55,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:13:55,675 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:13:55,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-16 03:13:55,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/2ed3a19fd/1a3791387cbf45a8bc6ce0700cc98897/FLAG3a2d36395 [2021-10-16 03:13:56,721 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:13:56,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-16 03:13:56,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/2ed3a19fd/1a3791387cbf45a8bc6ce0700cc98897/FLAG3a2d36395 [2021-10-16 03:13:57,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d748bfb-3c81-4682-a64c-20cab878624e/bin/utaipan-mTDlp9Zugs/data/2ed3a19fd/1a3791387cbf45a8bc6ce0700cc98897 [2021-10-16 03:13:57,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:13:57,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:13:57,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:57,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:13:57,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:13:57,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:57" (1/1) ... [2021-10-16 03:13:57,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfdede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:57, skipping insertion in model container [2021-10-16 03:13:57,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:57" (1/1) ... [2021-10-16 03:13:57,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:13:57,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:13:57,865 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_2d748bfb-3c81-4682-a64c-20cab878624e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-16 03:14:01,636 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 03:14:01,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72daebf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:01, skipping insertion in model container [2021-10-16 03:14:01,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:14:01,637 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:14:01,640 INFO L168 Benchmark]: Toolchain (without parser) took 4462.64 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 26.3 MB in the beginning and 52.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:01,641 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:14:01,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4457.68 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 26.0 MB in the beginning and 52.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:01,644 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 50.3 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4457.68 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 26.0 MB in the beginning and 52.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 22.0 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...