./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.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_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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-5e519f3 [2022-11-02 21:00:27,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:00:27,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:00:27,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:00:27,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:00:27,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:00:27,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:00:27,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:00:27,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:00:27,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:00:27,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:00:27,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:00:27,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:00:27,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:00:27,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:00:27,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:00:27,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:00:27,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:00:27,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:00:27,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:00:27,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:00:27,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:00:27,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:00:27,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:00:27,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:00:27,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:00:27,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:00:27,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:00:27,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:00:27,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:00:27,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:00:27,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:00:27,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:00:27,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:00:27,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:00:27,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:00:27,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:00:27,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:00:27,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:00:27,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:00:27,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:00:27,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 21:00:27,202 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:00:27,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:00:27,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:00:27,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:00:27,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:00:27,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:00:27,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:00:27,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:00:27,206 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:00:27,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:00:27,207 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:00:27,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:00:27,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:00:27,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:00:27,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:00:27,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:00:27,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:00:27,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:00:27,209 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 21:00:27,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:00:27,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:00:27,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:00:27,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:00:27,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:00:27,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:00:27,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:00:27,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:00:27,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:00:27,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:00:27,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:00:27,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:00:27,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:00:27,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:00:27,212 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_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-02 21:00:27,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:00:27,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:00:27,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:00:27,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:00:27,548 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:00:27,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 21:00:27,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/data/d7a54fc8b/4178d54e5e3a42318dd0529d37968577/FLAGad6d4e1f6 [2022-11-02 21:00:28,439 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:00:28,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 21:00:28,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/data/d7a54fc8b/4178d54e5e3a42318dd0529d37968577/FLAGad6d4e1f6 [2022-11-02 21:00:28,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/data/d7a54fc8b/4178d54e5e3a42318dd0529d37968577 [2022-11-02 21:00:28,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:00:28,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:00:28,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:28,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:00:28,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:00:28,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:28" (1/1) ... [2022-11-02 21:00:28,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf0c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:28, skipping insertion in model container [2022-11-02 21:00:28,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:28" (1/1) ... [2022-11-02 21:00:28,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:00:29,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:00:29,496 WARN L230 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_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-02 21:00:32,566 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-02 21:00:32,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ddcfbfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:32, skipping insertion in model container [2022-11-02 21:00:32,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:00:32,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 21:00:32,569 INFO L158 Benchmark]: Toolchain (without parser) took 3627.27ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 66.9MB in the end (delta: 14.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-02 21:00:32,570 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:00:32,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3624.96ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 67.4MB in the end (delta: 13.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-02 21:00:32,572 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 107.0MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3624.96ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 67.4MB in the end (delta: 13.5MB). Peak memory consumption was 37.0MB. 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_c6b43fdd-5db9-4aad-aefa-65449ef2df1e/bin/uautomizer-Dbtcem3rbc/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