./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_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_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ 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_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/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 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:33,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:33,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:34,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:34,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:34,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:34,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:34,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:34,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:34,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:34,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:34,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:34,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:34,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:34,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:34,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:34,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:34,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:34,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:34,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:34,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:34,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:34,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:34,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:34,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:34,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:34,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:34,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:34,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:34,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:34,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:34,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:34,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:34,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:34,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:34,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:34,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:34,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:34,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:34,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:34,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:34,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:34,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:34,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:34,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:34,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:34,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:34,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:34,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:34,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:34,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:34,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:34,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:34,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:34,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:34,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:34,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:34,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:34,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:34,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:34,144 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:34,145 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:34,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:34,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:34,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:34,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:34,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:34,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:34,147 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:34,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:34,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:34,147 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_893b52ac-037d-46ae-b7ee-0b8530e8670e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 04:44:34,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:34,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:34,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:34,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:34,420 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:34,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 04:44:34,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/b5a0c437d/95978eda589742d2b1db702b85fa5315/FLAG17cf24756 [2020-11-28 04:44:35,304 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:35,305 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 04:44:35,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/b5a0c437d/95978eda589742d2b1db702b85fa5315/FLAG17cf24756 [2020-11-28 04:44:35,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/b5a0c437d/95978eda589742d2b1db702b85fa5315 [2020-11-28 04:44:35,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:35,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:35,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:35,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:35,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:35,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:35" (1/1) ... [2020-11-28 04:44:35,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747e5af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:35, skipping insertion in model container [2020-11-28 04:44:35,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:35" (1/1) ... [2020-11-28 04:44:35,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:35,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:40,666 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:44:40,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78c0b993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:40, skipping insertion in model container [2020-11-28 04:44:40,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:40,668 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:44:40,671 INFO L168 Benchmark]: Toolchain (without parser) took 4861.48 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.9 MB in the beginning and 74.1 MB in the end (delta: -20.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:40,672 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 34.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:40,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4858.62 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 74.1 MB in the end (delta: -20.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:40,675 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 94.4 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 34.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4858.62 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 74.1 MB in the end (delta: -20.3 MB). Peak memory consumption was 31.2 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:43,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:43,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:43,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:43,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:43,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:43,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:43,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:43,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:43,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:43,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:43,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:43,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:43,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:43,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:43,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:43,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:43,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:43,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:43,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:43,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:43,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:43,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:43,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:43,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:43,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:43,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:43,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:43,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:43,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:43,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:43,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:43,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:43,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:43,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:43,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:43,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:43,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:43,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:43,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:43,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:43,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:44:43,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:43,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:43,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:43,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:43,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:43,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:43,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:43,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:43,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:43,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:43,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:43,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:43,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:43,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:44:43,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:44:43,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:44:43,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:43,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:43,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:43,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:43,190 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:43,190 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:43,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:43,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:43,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:43,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:43,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:43,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:43,192 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:44:43,192 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:44:43,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:43,193 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:44:43,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:44:43,199 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_893b52ac-037d-46ae-b7ee-0b8530e8670e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 04:44:43,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:43,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:43,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:43,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:43,598 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:43,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 04:44:43,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/875bea09e/b145fae448354d9da7acc13887f0c64b/FLAG7aaf01266 [2020-11-28 04:44:44,700 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:44,701 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 04:44:44,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/875bea09e/b145fae448354d9da7acc13887f0c64b/FLAG7aaf01266 [2020-11-28 04:44:45,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_893b52ac-037d-46ae-b7ee-0b8530e8670e/bin/ukojak/data/875bea09e/b145fae448354d9da7acc13887f0c64b [2020-11-28 04:44:45,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:45,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:45,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:45,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:45,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:45,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:45" (1/1) ... [2020-11-28 04:44:45,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145fe5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:45, skipping insertion in model container [2020-11-28 04:44:45,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:45" (1/1) ... [2020-11-28 04:44:45,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:45,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:48,927 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:44:48,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293b4cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48, skipping insertion in model container [2020-11-28 04:44:48,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:48,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:44:48,931 INFO L168 Benchmark]: Toolchain (without parser) took 3883.76 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.8 MB in the beginning and 48.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:48,931 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:48,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3881.25 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.7 MB in the beginning and 48.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:48,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3881.25 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.7 MB in the beginning and 48.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...