./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.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_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/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 eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................ 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_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/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 eefa9a333e1ee4770c037634061df0061348ca43 .................................................................................................................................... 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 16:41:03,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:41:03,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:41:03,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:41:03,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:41:03,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:41:03,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:41:03,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:41:03,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:41:03,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:41:03,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:41:03,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:41:03,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:41:03,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:41:03,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:41:03,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:41:03,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:41:03,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:41:03,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:41:03,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:41:03,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:41:03,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:41:03,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:41:03,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:41:03,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:41:03,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:41:03,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:41:03,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:41:03,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:41:03,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:41:03,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:41:03,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:41:03,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:41:03,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:41:03,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:41:03,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:41:03,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:41:03,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:41:03,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:41:03,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:41:03,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:41:03,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:41:03,764 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:41:03,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:41:03,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:41:03,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:41:03,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:41:03,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:41:03,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:41:03,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:41:03,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:41:03,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:41:03,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:41:03,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:41:03,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:41:03,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:41:03,773 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:41:03,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:41:03,773 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:41:03,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:41:03,774 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:41:03,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:41:03,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:41:03,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:41:03,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:41:03,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:41:03,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:41:03,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:41:03,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:41:03,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:41:03,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:41:03,779 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_243b9e2e-7887-465d-be59-ca72be8650ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-01 16:41:04,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:41:04,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:41:04,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:41:04,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:41:04,183 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:41:04,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-01 16:41:04,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/8b0b210f5/646039adcd7941bd8a84887c8e065261/FLAGc8052e792 [2020-12-01 16:41:05,514 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:41:05,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-01 16:41:05,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/8b0b210f5/646039adcd7941bd8a84887c8e065261/FLAGc8052e792 [2020-12-01 16:41:05,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/8b0b210f5/646039adcd7941bd8a84887c8e065261 [2020-12-01 16:41:05,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:41:05,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:41:05,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:05,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:41:05,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:41:05,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:05" (1/1) ... [2020-12-01 16:41:05,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f1df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:05, skipping insertion in model container [2020-12-01 16:41:05,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:05" (1/1) ... [2020-12-01 16:41:05,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:41:06,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:41:12,051 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:41:12,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57664078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:12, skipping insertion in model container [2020-12-01 16:41:12,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:12,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:41:12,059 INFO L168 Benchmark]: Toolchain (without parser) took 6177.22 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.5 MB in the beginning and 65.1 MB in the end (delta: -21.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:12,061 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:12,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6171.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 65.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:12,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6171.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.2 MB in the beginning and 65.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 18.8 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 16:41:15,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:41:15,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:41:15,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:41:15,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:41:15,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:41:15,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:41:15,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:41:15,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:41:15,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:41:15,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:41:15,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:41:15,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:41:15,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:41:15,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:41:15,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:41:15,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:41:15,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:41:15,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:41:15,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:41:15,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:41:15,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:41:15,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:41:15,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:41:15,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:41:15,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:41:15,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:41:15,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:41:15,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:41:15,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:41:15,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:41:15,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:41:15,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:41:15,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:41:15,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:41:15,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:41:15,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:41:15,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:41:15,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:41:15,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:41:15,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:41:15,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:41:15,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:41:15,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:41:15,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:41:15,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:41:15,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:41:15,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:41:15,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:41:15,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:41:15,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:41:15,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:41:15,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:41:15,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:41:15,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:41:15,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:41:15,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:41:15,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:41:15,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:41:15,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:41:15,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:41:15,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:41:15,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:41:15,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:41:15,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:41:15,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:41:15,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:41:15,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:41:15,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:41:15,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:41:15,532 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:41:15,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:41:15,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:41:15,533 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:41:15,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:41:15,534 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_243b9e2e-7887-465d-be59-ca72be8650ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-12-01 16:41:16,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:41:16,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:41:16,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:41:16,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:41:16,079 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:41:16,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-01 16:41:16,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/314b844ab/d0f6b588707a47f5b48b4bec95d2fb76/FLAGdc7715009 [2020-12-01 16:41:17,516 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:41:17,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-12-01 16:41:17,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/314b844ab/d0f6b588707a47f5b48b4bec95d2fb76/FLAGdc7715009 [2020-12-01 16:41:17,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_243b9e2e-7887-465d-be59-ca72be8650ca/bin/ukojak/data/314b844ab/d0f6b588707a47f5b48b4bec95d2fb76 [2020-12-01 16:41:17,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:41:17,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:41:17,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:17,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:41:17,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:41:17,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:17" (1/1) ... [2020-12-01 16:41:17,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ea488a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:17, skipping insertion in model container [2020-12-01 16:41:17,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:17" (1/1) ... [2020-12-01 16:41:17,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:41:17,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:41:23,554 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 16:41:23,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@299b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:23, skipping insertion in model container [2020-12-01 16:41:23,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:41:23,557 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 16:41:23,561 INFO L168 Benchmark]: Toolchain (without parser) took 5814.42 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 42.4 MB in the beginning and 51.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:23,563 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:41:23,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5811.00 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 42.2 MB in the beginning and 51.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:41:23,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5811.00 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 42.2 MB in the beginning and 51.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...