./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 08:26:39,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:26:39,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:26:39,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:26:39,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:26:39,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:26:39,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:26:39,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:26:39,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:26:39,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:26:39,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:26:39,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:26:39,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:26:39,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:26:39,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:26:39,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:26:39,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:26:39,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:26:39,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:26:39,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:26:39,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:26:39,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:26:39,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:26:39,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:26:39,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:26:39,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:26:39,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:26:39,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:26:39,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:26:39,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:26:39,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:26:39,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:26:39,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:26:39,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:26:39,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:26:39,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:26:39,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:26:39,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:26:39,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:26:39,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:26:39,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:26:39,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-16 08:26:39,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:26:39,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:26:39,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:26:39,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:26:39,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:26:39,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:26:39,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:26:39,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:26:39,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:26:39,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:26:39,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:26:39,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:26:39,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:26:39,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:26:39,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:26:39,937 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 08:26:39,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:26:39,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:26:39,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:26:39,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:26:39,939 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:26:39,939 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:26:39,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:26:39,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:26:39,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:26:39,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:26:39,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:26:39,942 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:26:39,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:26:39,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:26:39,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-16 08:26:40,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:26:40,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:26:40,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:26:40,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:26:40,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:26:40,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-16 08:26:40,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/data/b8d632e42/a34010db392b4d87bb3c2dca377902e1/FLAG8444a90d1 [2022-11-16 08:26:41,124 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:26:41,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-16 08:26:41,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/data/b8d632e42/a34010db392b4d87bb3c2dca377902e1/FLAG8444a90d1 [2022-11-16 08:26:41,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/data/b8d632e42/a34010db392b4d87bb3c2dca377902e1 [2022-11-16 08:26:41,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:26:41,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:26:41,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:26:41,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:26:41,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:26:41,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:26:41" (1/1) ... [2022-11-16 08:26:41,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f414654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:26:41, skipping insertion in model container [2022-11-16 08:26:41,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:26:41" (1/1) ... [2022-11-16 08:26:41,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:26:41,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:26:41,898 WARN L229 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_294b2273-dfc3-4900-bb9b-0047dffb2eb1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-16 08:26:45,995 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 08:26:45,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b2c766f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:26:45, skipping insertion in model container [2022-11-16 08:26:45,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:26:45,996 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 08:26:45,998 INFO L158 Benchmark]: Toolchain (without parser) took 4676.79ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 63.1MB in the beginning and 76.7MB in the end (delta: -13.6MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-16 08:26:45,999 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:26:46,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4674.11ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 76.7MB in the end (delta: -13.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-16 08:26:46,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4674.11ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 76.7MB in the end (delta: -13.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294b2273-dfc3-4900-bb9b-0047dffb2eb1/bin/ukojak-CydTVMUXoH/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN