./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:10,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:10,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:10,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:10,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:10,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:10,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:10,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:10,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:10,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:10,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:10,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:10,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:10,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:10,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:10,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:10,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:10,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:10,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:10,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:10,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:10,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:10,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:10,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:10,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:10,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:10,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:10,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:10,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:10,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:10,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:10,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:10,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:10,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:10,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:10,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:10,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:10,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:10,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:10,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:10,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:10,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:10,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:10,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:10,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:10,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:10,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:10,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:10,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:10,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:10,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:10,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:10,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:10,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:10,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:10,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:10,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:10,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:10,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:10,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:10,544 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:10,544 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:10,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:10,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:10,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:10,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:10,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:10,546 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:10,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:10,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:10,547 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_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-23 15:59:10,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:10,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:10,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:10,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:10,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:10,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 15:59:10,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/bf14c1f8c/e93bdb74216d43da808f96aed91fbc30/FLAG5a5fdb984 [2021-11-23 15:59:11,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:11,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 15:59:11,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/bf14c1f8c/e93bdb74216d43da808f96aed91fbc30/FLAG5a5fdb984 [2021-11-23 15:59:11,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/bf14c1f8c/e93bdb74216d43da808f96aed91fbc30 [2021-11-23 15:59:11,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:11,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:11,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:11,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:11,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:11,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d2d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11, skipping insertion in model container [2021-11-23 15:59:11,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:11,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:12,376 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_799fedd2-3b77-4298-9fd1-960611c58b46/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 15:59:15,582 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 15:59:15,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59cf81ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:15, skipping insertion in model container [2021-11-23 15:59:15,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:15,584 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:59:15,587 INFO L158 Benchmark]: Toolchain (without parser) took 3809.32ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 65.7MB in the beginning and 84.2MB in the end (delta: -18.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:15,588 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:15,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3806.37ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 65.4MB in the beginning and 84.2MB in the end (delta: -18.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:15,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3806.37ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 65.4MB in the beginning and 84.2MB in the end (delta: -18.8MB). Peak memory consumption was 42.6MB. 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_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:17,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:17,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:17,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:17,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:17,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:17,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:17,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:17,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:17,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:17,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:17,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:17,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:17,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:17,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:17,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:17,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:17,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:17,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:17,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:17,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:17,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:17,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:17,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:17,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:17,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:17,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:17,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:17,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:17,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:17,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:17,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:17,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:17,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:17,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:17,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:17,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:17,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:17,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:17,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:17,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:17,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:17,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:17,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:17,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:17,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:17,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:17,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:17,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:17,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:17,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:17,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:17,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:17,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:17,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:17,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:17,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:17,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:17,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:17,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:17,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:17,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:17,960 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:17,960 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:17,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:17,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:17,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:17,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:17,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:17,962 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:17,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:17,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:17,962 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:17,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:17,963 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_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-23 15:59:18,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:18,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:18,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:18,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:18,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:18,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 15:59:18,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/40a869282/378e52630ddb466991423e86860bbfc1/FLAGf879d589a [2021-11-23 15:59:19,381 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:19,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-23 15:59:19,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/40a869282/378e52630ddb466991423e86860bbfc1/FLAGf879d589a [2021-11-23 15:59:19,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_799fedd2-3b77-4298-9fd1-960611c58b46/bin/ukojak-CwSLpZB5Qu/data/40a869282/378e52630ddb466991423e86860bbfc1 [2021-11-23 15:59:19,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:19,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:19,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:19,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:19,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:19,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:19" (1/1) ... [2021-11-23 15:59:19,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb51f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:19, skipping insertion in model container [2021-11-23 15:59:19,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:19" (1/1) ... [2021-11-23 15:59:19,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:19,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:20,407 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_799fedd2-3b77-4298-9fd1-960611c58b46/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 15:59:23,638 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 15:59:23,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@150dbf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:23, skipping insertion in model container [2021-11-23 15:59:23,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:23,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:59:23,641 INFO L158 Benchmark]: Toolchain (without parser) took 3775.88ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.7MB in the beginning and 46.7MB in the end (delta: -17.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:23,642 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:23,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3773.60ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 46.7MB in the end (delta: -17.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:23,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3773.60ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 46.7MB in the end (delta: -17.3MB). Peak memory consumption was 22.3MB. 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