./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:44:26,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:44:26,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:44:26,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:44:26,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:44:26,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:44:26,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:44:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:44:26,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:44:26,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:44:26,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:44:26,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:44:26,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:44:26,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:44:26,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:44:26,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:44:26,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:44:26,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:44:26,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:44:26,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:44:26,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:44:26,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:44:26,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:44:26,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:44:26,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:44:26,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:44:26,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:44:26,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:44:26,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:44:26,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:44:26,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:44:27,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:44:27,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:44:27,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:44:27,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:44:27,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:44:27,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:44:27,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:44:27,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:44:27,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:44:27,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:44:27,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:44:27,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:44:27,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:44:27,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:44:27,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:44:27,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:44:27,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:44:27,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:44:27,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:44:27,084 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:44:27,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:44:27,085 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:44:27,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:44:27,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:44:27,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:44:27,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:44:27,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:44:27,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:44:27,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:44:27,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:44:27,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:44:27,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:44:27,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:44:27,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:44:27,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:44:27,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:44:27,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:44:27,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:44:27,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:44:27,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:44:27,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:44:27,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:44:27,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:44:27,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:44:27,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:44:27,094 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:44:27,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:44:27,094 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_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-20 07:44:27,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:44:27,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:44:27,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:44:27,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:44:27,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:44:27,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 07:44:27,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/601b8fb22/fe8d20f975834ee8a1d311ea5c363c66/FLAGddbf940e9 [2021-11-20 07:44:28,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:44:28,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 07:44:28,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/601b8fb22/fe8d20f975834ee8a1d311ea5c363c66/FLAGddbf940e9 [2021-11-20 07:44:28,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/601b8fb22/fe8d20f975834ee8a1d311ea5c363c66 [2021-11-20 07:44:28,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:44:28,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:44:29,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:44:29,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:44:29,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:44:29,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:28" (1/1) ... [2021-11-20 07:44:29,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6550fb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:29, skipping insertion in model container [2021-11-20 07:44:29,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:28" (1/1) ... [2021-11-20 07:44:29,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:44:29,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:44:29,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-20 07:44:33,765 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:44:33,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74f9f619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:33, skipping insertion in model container [2021-11-20 07:44:33,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:44:33,767 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:44:33,768 INFO L158 Benchmark]: Toolchain (without parser) took 4768.68ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 53.6MB in the end (delta: 14.9MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-20 07:44:33,769 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:44:33,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4765.26ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 53.6MB in the end (delta: 14.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-11-20 07:44:33,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4765.26ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 53.6MB in the end (delta: 14.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:44:36,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:44:36,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:44:36,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:44:36,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:44:36,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:44:36,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:44:36,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:44:36,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:44:36,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:44:36,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:44:36,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:44:36,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:44:36,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:44:36,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:44:36,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:44:36,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:44:36,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:44:36,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:44:36,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:44:36,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:44:36,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:44:36,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:44:36,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:44:36,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:44:36,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:44:36,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:44:36,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:44:36,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:44:36,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:44:36,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:44:36,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:44:36,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:44:36,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:44:36,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:44:36,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:44:36,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:44:36,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:44:36,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:44:36,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:44:36,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:44:36,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:44:36,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:44:36,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:44:36,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:44:36,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:44:36,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:44:36,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:44:36,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:44:36,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:44:36,653 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:44:36,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:44:36,655 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:44:36,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:44:36,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:44:36,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:44:36,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:44:36,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:44:36,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:44:36,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:44:36,658 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:44:36,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:44:36,658 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:44:36,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:44:36,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:44:36,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:44:36,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:44:36,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:44:36,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:44:36,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:44:36,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:44:36,662 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:44:36,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:44:36,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:44:36,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:44:36,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:44:36,664 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:44:36,665 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:44:36,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:44:36,666 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-20 07:44:37,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:44:37,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:44:37,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:44:37,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:44:37,189 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:44:37,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 07:44:37,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/002b1c7f2/5b7d9bd04be543c6b715c8b2acc81192/FLAG39956dbd5 [2021-11-20 07:44:38,379 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:44:38,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 07:44:38,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/002b1c7f2/5b7d9bd04be543c6b715c8b2acc81192/FLAG39956dbd5 [2021-11-20 07:44:38,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/bin/ugemcutter-b9s2R6iq4d/data/002b1c7f2/5b7d9bd04be543c6b715c8b2acc81192 [2021-11-20 07:44:38,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:44:38,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:44:38,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:44:38,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:44:38,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:44:38,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:38" (1/1) ... [2021-11-20 07:44:38,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a41bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:38, skipping insertion in model container [2021-11-20 07:44:38,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:38" (1/1) ... [2021-11-20 07:44:38,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:44:39,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:44:39,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3906c8a-c104-4e96-952c-41c80529602d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-20 07:44:43,561 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:44:43,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d6632ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:43, skipping insertion in model container [2021-11-20 07:44:43,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:44:43,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:44:43,565 INFO L158 Benchmark]: Toolchain (without parser) took 4750.84ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.8MB in the beginning and 48.9MB in the end (delta: -6.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-20 07:44:43,566 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 69.2MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:44:43,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4747.83ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 48.9MB in the end (delta: -6.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-20 07:44:43,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 69.2MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4747.83ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 48.9MB in the end (delta: -6.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN