./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/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_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8 --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ........................................................................................................................................... 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_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/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_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8 --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:43:25,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:25,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:25,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:25,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:25,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:25,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:25,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:25,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:25,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:25,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:25,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:25,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:25,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:25,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:25,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:25,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:25,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:25,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:25,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:25,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:25,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:25,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:25,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:25,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:25,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:25,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:25,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:25,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:25,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:25,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:25,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:25,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:25,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:25,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:25,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:25,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:25,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:25,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:25,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:25,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:25,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:43:25,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:25,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:25,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:25,632 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:25,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:25,633 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:25,633 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:43:25,633 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:25,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:25,634 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:43:25,636 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:43:25,636 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:25,636 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:43:25,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:43:25,637 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:43:25,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:25,639 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:43:25,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:43:25,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:43:25,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:25,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:43:25,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:25,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:43:25,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:25,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:43:25,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:43:25,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:25,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:43:25,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:25,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:25,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:25,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:25,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:25,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:43:25,646 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:43:25,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:43:25,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:43:25,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:25,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:25,647 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_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-13 07:43:25,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:26,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:26,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:26,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:26,024 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:26,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-13 07:43:26,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/62a19412e/2476189b9beb4239a1b4f5497f9f9f10/FLAGf37186df0 [2021-10-13 07:43:27,107 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:27,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-13 07:43:27,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/62a19412e/2476189b9beb4239a1b4f5497f9f9f10/FLAGf37186df0 [2021-10-13 07:43:27,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/62a19412e/2476189b9beb4239a1b4f5497f9f9f10 [2021-10-13 07:43:27,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:27,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:27,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:27,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:27,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:27,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:27" (1/1) ... [2021-10-13 07:43:27,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300ea61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:27, skipping insertion in model container [2021-10-13 07:43:27,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:27" (1/1) ... [2021-10-13 07:43:27,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:27,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:28,194 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_f7c980a0-614a-459a-ad7e-a617425bcf45/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-13 07:43:32,264 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:43:32,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6476535b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:32, skipping insertion in model container [2021-10-13 07:43:32,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:32,267 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:43:32,270 INFO L168 Benchmark]: Toolchain (without parser) took 4727.16 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 72.5 MB in the beginning and 112.9 MB in the end (delta: -40.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:32,272 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 90.5 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:32,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4722.78 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 72.4 MB in the beginning and 112.9 MB in the end (delta: -40.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:32,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 90.5 MB in the beginning and 90.5 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4722.78 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 72.4 MB in the beginning and 112.9 MB in the end (delta: -40.6 MB). Peak memory consumption was 29.6 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-4e77c04 [2021-10-13 07:43:34,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:43:34,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:43:34,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:43:34,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:43:35,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:43:35,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:43:35,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:43:35,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:43:35,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:43:35,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:43:35,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:43:35,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:43:35,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:43:35,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:43:35,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:43:35,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:43:35,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:43:35,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:43:35,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:43:35,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:43:35,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:43:35,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:43:35,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:43:35,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:43:35,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:43:35,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:43:35,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:43:35,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:43:35,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:43:35,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:43:35,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:43:35,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:43:35,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:43:35,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:43:35,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:43:35,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:43:35,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:43:35,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:43:35,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:43:35,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:43:35,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:43:35,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:43:35,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:43:35,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:43:35,137 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:43:35,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:43:35,138 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:43:35,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:43:35,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:43:35,138 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:43:35,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:43:35,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:43:35,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:43:35,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:43:35,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:43:35,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:43:35,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:43:35,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:43:35,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:43:35,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:43:35,143 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:43:35,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:43:35,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:43:35,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:43:35,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:43:35,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:43:35,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:43:35,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:43:35,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:43:35,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:43:35,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:43:35,146 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:43:35,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:43:35,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:43:35,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:43:35,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:43:35,147 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_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2021-10-13 07:43:35,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:43:35,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:43:35,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:43:35,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:43:35,631 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:43:35,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-13 07:43:35,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/2cb61f153/3581d1874a4c4a35adc8c379d2792e09/FLAG089119add [2021-10-13 07:43:36,855 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:43:36,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-13 07:43:36,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/2cb61f153/3581d1874a4c4a35adc8c379d2792e09/FLAG089119add [2021-10-13 07:43:37,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c980a0-614a-459a-ad7e-a617425bcf45/bin/utaipan-q2qaUkNPG8/data/2cb61f153/3581d1874a4c4a35adc8c379d2792e09 [2021-10-13 07:43:37,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:43:37,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:43:37,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:37,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:43:37,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:43:37,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:37" (1/1) ... [2021-10-13 07:43:37,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7f64b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:37, skipping insertion in model container [2021-10-13 07:43:37,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:43:37" (1/1) ... [2021-10-13 07:43:37,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:43:37,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:43:37,901 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_f7c980a0-614a-459a-ad7e-a617425bcf45/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-13 07:43:43,781 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:43:43,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cc4fefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:43:43, skipping insertion in model container [2021-10-13 07:43:43,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:43:43,785 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:43:43,789 INFO L168 Benchmark]: Toolchain (without parser) took 6589.50 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 35.6 MB in the beginning and 57.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:43,790 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:43:43,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6586.41 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 35.4 MB in the beginning and 57.1 MB in the end (delta: -21.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:43:43,795 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 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6586.41 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 35.4 MB in the beginning and 57.1 MB in the end (delta: -21.7 MB). Peak memory consumption was 22.3 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...