./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/TaipanReach.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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 ........................................................................................................................................... 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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/TaipanReach.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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:46:41,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:46:41,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:46:41,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:46:41,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:46:41,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:46:41,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:46:41,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:46:41,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:46:41,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:46:41,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:46:41,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:46:41,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:46:41,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:46:41,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:46:41,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:46:41,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:46:41,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:46:41,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:46:41,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:46:41,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:46:41,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:46:41,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:46:41,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:46:41,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:46:41,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:46:41,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:46:41,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:46:41,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:46:41,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:46:41,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:46:41,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:46:41,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:46:41,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:46:41,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:46:41,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:46:41,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:46:41,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:46:41,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:46:41,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:46:41,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:46:41,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:46:41,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:46:41,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:46:41,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:46:41,580 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:46:41,580 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:46:41,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:46:41,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:46:41,581 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:46:41,589 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:46:41,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:46:41,591 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:46:41,592 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:46:41,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:46:41,592 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:46:41,593 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:46:41,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:46:41,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:46:41,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:46:41,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:46:41,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:46:41,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:46:41,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:46:41,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:46:41,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:46:41,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:46:41,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:46:41,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:46:41,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:46:41,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:46:41,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:46:41,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:46:41,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:46:41,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:46:41,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:46:41,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:46:41,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:46:41,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:46:41,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:46:41,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:46:41,603 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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-10-29 04:46:41,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:46:42,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:46:42,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:46:42,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:46:42,022 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:46:42,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-29 04:46:42,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/c6bbc120b/2c31afcb6d8649d4a2a2e197e825d19a/FLAGc6e8ee318 [2021-10-29 04:46:43,289 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:46:43,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-29 04:46:43,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/c6bbc120b/2c31afcb6d8649d4a2a2e197e825d19a/FLAGc6e8ee318 [2021-10-29 04:46:43,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/c6bbc120b/2c31afcb6d8649d4a2a2e197e825d19a [2021-10-29 04:46:43,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:46:43,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:46:43,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:46:43,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:46:43,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:46:43,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:43" (1/1) ... [2021-10-29 04:46:43,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc7afba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:43, skipping insertion in model container [2021-10-29 04:46:43,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:43" (1/1) ... [2021-10-29 04:46:43,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:46:43,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:46:44,326 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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-29 04:46:47,943 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 04:46:47,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ccabc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:47, skipping insertion in model container [2021-10-29 04:46:47,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:46:47,944 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:46:47,946 INFO L168 Benchmark]: Toolchain (without parser) took 4286.46 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 91.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:46:47,947 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:46:47,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4283.24 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 91.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:46:47,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4283.24 ms. Allocated memory is still 125.8 MB. Free memory was 80.3 MB in the beginning and 91.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 23.9 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:46:50,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:46:50,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:46:50,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:46:50,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:46:50,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:46:50,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:46:50,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:46:50,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:46:50,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:46:50,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:46:50,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:46:50,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:46:50,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:46:50,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:46:50,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:46:50,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:46:50,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:46:50,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:46:50,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:46:50,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:46:50,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:46:50,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:46:50,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:46:50,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:46:50,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:46:50,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:46:50,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:46:50,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:46:50,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:46:50,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:46:50,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:46:50,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:46:50,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:46:50,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:46:50,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:46:50,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:46:50,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:46:50,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:46:50,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:46:50,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:46:50,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:46:50,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:46:50,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:46:50,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:46:50,798 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:46:50,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:46:50,799 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:46:50,799 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:46:50,799 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:46:50,800 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:46:50,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:46:50,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:46:50,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:46:50,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:46:50,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:46:50,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:46:50,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:46:50,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:46:50,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:46:50,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:46:50,805 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:46:50,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:46:50,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:46:50,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:46:50,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:46:50,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:46:50,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:46:50,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:46:50,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:46:50,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:46:50,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:46:50,809 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:46:50,809 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:46:50,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:46:50,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:46:50,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:46:50,811 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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-10-29 04:46:51,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:46:51,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:46:51,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:46:51,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:46:51,367 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:46:51,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-29 04:46:51,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/7c4ddbdd6/bbd1300ebadb4077bb35983df00c266c/FLAGf80bab2b1 [2021-10-29 04:46:52,519 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:46:52,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-29 04:46:52,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/7c4ddbdd6/bbd1300ebadb4077bb35983df00c266c/FLAGf80bab2b1 [2021-10-29 04:46:52,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/bin/utaipan-SDwSMHVbGG/data/7c4ddbdd6/bbd1300ebadb4077bb35983df00c266c [2021-10-29 04:46:52,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:46:52,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:46:52,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:46:52,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:46:52,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:46:52,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:52" (1/1) ... [2021-10-29 04:46:52,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd804b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:52, skipping insertion in model container [2021-10-29 04:46:52,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:52" (1/1) ... [2021-10-29 04:46:52,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:46:53,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:46:53,649 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_bcbfaaf2-fb9f-4e47-8de2-45223d5e9e47/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-29 04:46:59,245 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 04:46:59,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d408fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:59, skipping insertion in model container [2021-10-29 04:46:59,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:46:59,247 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:46:59,251 INFO L168 Benchmark]: Toolchain (without parser) took 6361.88 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 32.1 MB in the beginning and 38.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:46:59,254 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:46:59,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6355.43 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.8 MB in the beginning and 38.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:46:59,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6355.43 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.8 MB in the beginning and 38.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 24.2 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...