./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/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_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:32,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:32,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:32,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:32,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:32,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:32,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:32,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:32,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:32,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:32,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:32,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:32,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:32,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:32,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:32,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:32,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:32,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:32,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:32,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:32,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:32,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:32,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:32,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:32,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:32,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:32,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:32,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:32,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:32,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:32,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:32,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:32,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:32,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:32,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:32,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:32,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:32,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:32,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:32,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:32,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:32,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:31:32,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:32,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:32,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:32,992 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:32,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:32,993 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:32,993 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:31:32,994 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:32,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:32,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:31:32,995 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:31:32,996 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:32,996 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:31:32,997 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:31:32,997 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:31:32,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:32,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:31:32,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:31:32,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:31:33,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:33,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:33,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:33,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:33,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:33,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:31:33,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:33,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:33,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:33,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:33,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:33,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:33,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:33,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:33,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:33,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:31:33,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:31:33,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:33,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:33,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:33,006 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_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-07 01:31:33,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:33,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:33,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:33,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:33,290 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:33,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-07 01:31:33,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/e0bbb3e54/f72b66b229b840e5978b966359811d95/FLAG7197f9933 [2021-11-07 01:31:34,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:34,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-07 01:31:34,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/e0bbb3e54/f72b66b229b840e5978b966359811d95/FLAG7197f9933 [2021-11-07 01:31:34,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/e0bbb3e54/f72b66b229b840e5978b966359811d95 [2021-11-07 01:31:34,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:34,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:34,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:34,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:34,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:34,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:34" (1/1) ... [2021-11-07 01:31:34,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9f45d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:34, skipping insertion in model container [2021-11-07 01:31:34,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:34" (1/1) ... [2021-11-07 01:31:34,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:34,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:35,287 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_3de169ce-bf91-4363-9e42-8ef566b21038/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-07 01:31:38,727 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 01:31:38,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5416de24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:38, skipping insertion in model container [2021-11-07 01:31:38,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:38,728 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:31:38,730 INFO L168 Benchmark]: Toolchain (without parser) took 3946.87 ms. Allocated memory is still 123.7 MB. Free memory was 96.0 MB in the beginning and 87.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:38,731 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:31:38,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3942.32 ms. Allocated memory is still 123.7 MB. Free memory was 95.4 MB in the beginning and 87.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:38,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3942.32 ms. Allocated memory is still 123.7 MB. Free memory was 95.4 MB in the beginning and 87.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 39.9 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/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_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:41,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:41,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:41,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:41,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:41,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:41,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:41,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:41,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:41,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:41,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:41,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:41,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:41,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:41,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:41,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:41,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:41,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:41,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:41,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:41,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:41,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:41,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:41,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:41,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:41,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:41,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:41,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:41,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:41,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:41,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:41,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:41,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:41,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:41,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:41,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:41,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:41,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:41,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:41,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:41,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:41,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:31:41,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:41,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:41,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:41,511 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:41,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:41,511 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:41,511 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:41,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:41,512 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:41,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:41,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:31:41,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:31:41,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:41,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:41,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:41,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:41,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:41,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:31:41,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:31:41,516 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:31:41,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:41,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:41,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:41,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:41,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:31:41,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:41,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:41,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:41,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:41,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:41,519 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:31:41,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:31:41,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:41,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:41,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:41,520 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_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-07 01:31:41,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:41,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:41,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:41,998 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:41,999 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:42,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-07 01:31:42,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/624ffb193/c48dd223552c4d06bee0ea704e82ec8a/FLAGeb4646cdd [2021-11-07 01:31:43,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:43,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-07 01:31:43,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/624ffb193/c48dd223552c4d06bee0ea704e82ec8a/FLAGeb4646cdd [2021-11-07 01:31:43,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3de169ce-bf91-4363-9e42-8ef566b21038/bin/utaipan-UUZaoUuFF8/data/624ffb193/c48dd223552c4d06bee0ea704e82ec8a [2021-11-07 01:31:43,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:43,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:43,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:43,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:43,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:43,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:43" (1/1) ... [2021-11-07 01:31:43,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ffa983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:43, skipping insertion in model container [2021-11-07 01:31:43,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:43" (1/1) ... [2021-11-07 01:31:43,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:43,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:44,110 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_3de169ce-bf91-4363-9e42-8ef566b21038/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-07 01:31:47,553 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 01:31:47,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69108a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:47, skipping insertion in model container [2021-11-07 01:31:47,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:47,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:31:47,557 INFO L168 Benchmark]: Toolchain (without parser) took 4018.57 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 27.1 MB in the beginning and 54.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:47,558 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:31:47,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4015.43 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 26.9 MB in the beginning and 54.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:47,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4015.43 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 26.9 MB in the beginning and 54.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 19.8 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN