./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:52:17,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:52:17,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:52:17,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:52:17,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:52:17,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:52:17,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:52:17,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:52:17,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:52:17,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:52:17,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:52:17,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:52:17,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:52:17,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:52:17,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:52:17,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:52:17,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:52:17,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:52:17,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:52:17,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:52:17,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:52:17,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:52:17,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:52:17,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:52:17,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:52:17,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:52:17,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:52:17,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:52:17,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:52:17,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:52:17,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:52:17,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:52:17,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:52:17,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:52:17,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:52:17,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:52:17,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:52:17,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:52:17,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:52:17,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:52:17,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:52:17,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:52:17,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:52:17,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:52:17,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:52:17,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:52:17,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:52:17,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:52:17,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:52:17,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:52:17,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:52:17,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:52:17,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:52:17,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:52:17,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:52:17,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:52:17,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:52:17,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:52:17,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:52:17,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:52:17,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:52:17,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:52:17,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:52:17,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:52:17,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:52:17,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:52:17,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:52:17,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:52:17,716 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:52:17,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:52:17,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:52:17,718 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-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-01 16:52:18,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:52:18,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:52:18,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:52:18,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:52:18,083 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:52:18,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-01 16:52:18,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/d51f6ed91/59fddac391cb44fcbc2811b066e32fe7/FLAGbf1d16f9d [2020-12-01 16:52:19,076 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:52:19,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-01 16:52:19,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/d51f6ed91/59fddac391cb44fcbc2811b066e32fe7/FLAGbf1d16f9d [2020-12-01 16:52:19,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/d51f6ed91/59fddac391cb44fcbc2811b066e32fe7 [2020-12-01 16:52:19,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:52:19,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:52:19,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:52:19,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:52:19,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:52:19,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:52:19" (1/1) ... [2020-12-01 16:52:19,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321b8f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:52:19, skipping insertion in model container [2020-12-01 16:52:19,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:52:19" (1/1) ... [2020-12-01 16:52:19,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:52:19,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:52:23,991 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:52:23,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@745fba18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:52:23, skipping insertion in model container [2020-12-01 16:52:23,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:52:23,993 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:52:23,995 INFO L168 Benchmark]: Toolchain (without parser) took 4452.05 ms. Allocated memory is still 100.7 MB. Free memory was 75.9 MB in the beginning and 57.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:52:23,997 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:52:23,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4449.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 57.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:52:24,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4449.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 57.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:52:26,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:52:26,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:52:26,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:52:26,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:52:26,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:52:26,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:52:26,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:52:26,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:52:26,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:52:26,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:52:26,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:52:26,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:52:26,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:52:26,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:52:26,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:52:26,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:52:26,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:52:26,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:52:26,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:52:26,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:52:26,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:52:26,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:52:26,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:52:26,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:52:26,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:52:26,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:52:26,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:52:26,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:52:26,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:52:26,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:52:26,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:52:26,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:52:26,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:52:26,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:52:26,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:52:26,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:52:26,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:52:26,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:52:26,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:52:26,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:52:26,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:52:26,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:52:26,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:52:26,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:52:26,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:52:26,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:52:26,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:52:26,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:52:26,620 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:52:26,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:52:26,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:52:26,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:52:26,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:52:26,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:52:26,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:52:26,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:52:26,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:52:26,622 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:52:26,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:52:26,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:52:26,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:52:26,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:52:26,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:52:26,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:52:26,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:52:26,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:52:26,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:52:26,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:52:26,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:52:26,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:52:26,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:52:26,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:52:26,626 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:52:26,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:52:26,626 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-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-12-01 16:52:27,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:52:27,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:52:27,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:52:27,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:52:27,061 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:52:27,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-01 16:52:27,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/1990acdcc/852bdddeaa6e43a38fbb9b58f5d9023e/FLAG80e763448 [2020-12-01 16:52:28,195 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:52:28,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-12-01 16:52:28,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/1990acdcc/852bdddeaa6e43a38fbb9b58f5d9023e/FLAG80e763448 [2020-12-01 16:52:28,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a799b90-3ff5-4a0c-b2c9-bf1c90afafd6/bin/ukojak/data/1990acdcc/852bdddeaa6e43a38fbb9b58f5d9023e [2020-12-01 16:52:28,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:52:28,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:52:28,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:52:28,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:52:28,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:52:28,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:52:28" (1/1) ... [2020-12-01 16:52:28,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b834427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:52:28, skipping insertion in model container [2020-12-01 16:52:28,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:52:28" (1/1) ... [2020-12-01 16:52:28,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:52:28,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:52:33,279 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:52:33,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@211acf38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:52:33, skipping insertion in model container [2020-12-01 16:52:33,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:52:33,280 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:52:33,282 INFO L168 Benchmark]: Toolchain (without parser) took 4675.61 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 22.2 MB in the beginning and 49.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:52:33,283 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:52:33,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4670.66 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 21.9 MB in the beginning and 49.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:52:33,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4670.66 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 21.9 MB in the beginning and 49.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 21.7 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...