./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ................................................................................................................................ 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_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:21:27,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:21:27,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:21:27,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:21:27,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:21:27,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:21:27,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:21:27,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:21:27,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:21:27,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:21:27,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:21:27,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:21:27,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:21:27,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:21:27,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:21:27,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:21:27,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:21:27,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:21:27,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:21:27,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:21:27,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:21:27,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:21:27,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:21:27,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:21:27,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:21:27,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:21:27,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:21:27,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:21:27,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:21:27,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:21:27,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:21:27,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:21:27,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:21:27,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:21:27,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:21:27,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:21:27,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:21:27,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:21:27,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:21:27,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:21:27,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:21:27,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:21:27,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:21:27,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:21:27,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:21:27,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:21:27,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:21:27,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:21:27,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:21:27,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:21:27,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:21:27,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:21:27,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:21:27,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:21:27,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:21:27,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:21:27,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:21:27,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:21:27,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:21:27,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:21:27,552 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:21:27,552 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:21:27,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:21:27,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:21:27,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:21:27,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:21:27,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:21:27,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:21:27,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:21:27,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:21:27,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:21:27,555 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_500ec2e0-285b-4e8c-9400-92e94efb9987/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-29 20:21:27,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:21:27,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:21:27,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:21:27,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:21:27,999 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:21:28,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-29 20:21:28,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/656942fa3/ba05e58988314822b8d88ed5aed232e6/FLAG3ebd6702b [2020-11-29 20:21:29,330 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:21:29,332 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-29 20:21:29,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/656942fa3/ba05e58988314822b8d88ed5aed232e6/FLAG3ebd6702b [2020-11-29 20:21:29,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/656942fa3/ba05e58988314822b8d88ed5aed232e6 [2020-11-29 20:21:29,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:21:29,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:21:29,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:29,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:21:29,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:21:29,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:29" (1/1) ... [2020-11-29 20:21:29,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725f9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:29, skipping insertion in model container [2020-11-29 20:21:29,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:29" (1/1) ... [2020-11-29 20:21:29,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:21:29,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:21:35,847 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 20:21:35,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ff4703b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:35, skipping insertion in model container [2020-11-29 20:21:35,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:35,849 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 20:21:35,852 INFO L168 Benchmark]: Toolchain (without parser) took 6157.61 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.5 MB in the beginning and 96.8 MB in the end (delta: -28.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:35,853 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 107.0 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:21:35,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6153.18 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.5 MB in the beginning and 97.4 MB in the end (delta: -29.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:35,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 107.0 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6153.18 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.5 MB in the beginning and 97.4 MB in the end (delta: -29.0 MB). Peak memory consumption was 32.6 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 0.2.0-a4ecdab [2020-11-29 20:21:38,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:21:38,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:21:38,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:21:38,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:21:38,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:21:38,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:21:38,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:21:38,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:21:38,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:21:38,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:21:38,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:21:38,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:21:38,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:21:38,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:21:38,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:21:38,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:21:38,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:21:38,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:21:38,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:21:38,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:21:38,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:21:38,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:21:38,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:21:38,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:21:38,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:21:38,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:21:38,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:21:38,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:21:38,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:21:38,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:21:38,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:21:38,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:21:38,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:21:38,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:21:38,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:21:38,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:21:38,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:21:38,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:21:38,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:21:38,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:21:38,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 20:21:38,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:21:38,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:21:38,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:21:38,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:21:38,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:21:38,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:21:38,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:21:38,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:21:38,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:21:38,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:21:38,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:21:38,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:21:38,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:21:38,931 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:21:38,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:21:38,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:21:38,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:21:38,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:21:38,932 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:21:38,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:21:38,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:21:38,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:21:38,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:21:38,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:21:38,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:21:38,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:21:38,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:21:38,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:21:38,949 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 20:21:38,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:21:38,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:21:38,950 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 20:21:38,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:21:38,951 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_500ec2e0-285b-4e8c-9400-92e94efb9987/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-29 20:21:39,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:21:39,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:21:39,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:21:39,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:21:39,560 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:21:39,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-29 20:21:39,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/97a205cd2/a2ebdad63ff04810b912ea08b6842167/FLAGd440f6573 [2020-11-29 20:21:40,950 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:21:40,951 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-29 20:21:41,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/97a205cd2/a2ebdad63ff04810b912ea08b6842167/FLAGd440f6573 [2020-11-29 20:21:41,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_500ec2e0-285b-4e8c-9400-92e94efb9987/bin/ukojak/data/97a205cd2/a2ebdad63ff04810b912ea08b6842167 [2020-11-29 20:21:41,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:21:41,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:21:41,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:41,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:21:41,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:21:41,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:41" (1/1) ... [2020-11-29 20:21:41,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dafaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:41, skipping insertion in model container [2020-11-29 20:21:41,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:41" (1/1) ... [2020-11-29 20:21:41,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:21:41,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:21:46,500 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-29 20:21:46,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46891188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:46, skipping insertion in model container [2020-11-29 20:21:46,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:46,501 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 20:21:46,504 INFO L168 Benchmark]: Toolchain (without parser) took 5245.65 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 45.1 MB in the beginning and 52.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:46,505 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:21:46,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5241.81 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 45.0 MB in the beginning and 52.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:46,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5241.81 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 45.0 MB in the beginning and 52.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 23.7 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...