./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/GemCutterReach.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_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/GemCutterReach.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_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 04:39:27,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:27,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:27,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:27,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:27,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:27,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:27,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:27,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:27,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:27,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:27,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:27,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:27,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:27,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:27,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:27,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:27,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:27,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:27,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:27,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:27,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:27,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:27,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:27,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:27,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:27,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:27,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:27,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:27,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:27,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:27,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:27,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:27,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:27,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:27,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:27,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:27,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:27,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:27,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:27,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:27,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-24 04:39:27,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:27,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:27,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:27,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:27,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:27,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:27,953 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:27,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:27,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:27,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 04:39:27,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:27,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:27,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:27,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:27,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:27,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:27,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:27,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:27,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:27,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:27,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:27,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 04:39:27,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:27,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:27,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:27,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:27,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:27,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 04:39:27,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 04:39:27,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:27,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:27,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:27,960 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:27,961 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:27,961 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_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-24 04:39:28,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:28,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:28,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:28,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:28,293 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:28,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 04:39:28,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/103ac1078/5b0a93f266ab4d338cee63f20f2fe447/FLAG4b3689cc4 [2021-10-24 04:39:29,295 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:29,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 04:39:29,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/103ac1078/5b0a93f266ab4d338cee63f20f2fe447/FLAG4b3689cc4 [2021-10-24 04:39:29,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/103ac1078/5b0a93f266ab4d338cee63f20f2fe447 [2021-10-24 04:39:29,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:29,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:29,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:29,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:29,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:29,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:29" (1/1) ... [2021-10-24 04:39:29,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f546be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:29, skipping insertion in model container [2021-10-24 04:39:29,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:29" (1/1) ... [2021-10-24 04:39:29,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:29,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:30,437 WARN L228 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_d1077d65-e253-43fa-948b-2c7d1ecf7319/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-24 04:39:33,828 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-24 04:39:33,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42ba235b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:33, skipping insertion in model container [2021-10-24 04:39:33,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:33,830 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 04:39:33,851 INFO L168 Benchmark]: Toolchain (without parser) took 4061.99 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 50.9 MB in the beginning and 92.2 MB in the end (delta: -41.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:33,852 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:33,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4037.78 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 92.2 MB in the end (delta: -41.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:33,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4037.78 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 50.7 MB in the beginning and 92.2 MB in the end (delta: -41.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 04:39:36,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:36,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:36,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:36,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:36,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:36,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:36,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:36,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:36,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:36,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:36,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:36,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:36,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:36,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:36,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:36,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:36,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:36,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:36,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:36,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:36,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:36,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:36,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:36,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:36,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:36,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:36,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:36,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:36,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:36,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:36,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:36,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:36,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:36,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:36,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:36,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:36,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:36,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:36,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:36,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:36,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-24 04:39:36,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:36,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:36,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:36,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:36,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:36,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:36,218 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:36,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:36,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:36,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:36,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:36,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:36,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:36,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:36,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 04:39:36,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 04:39:36,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:36,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:36,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:36,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:36,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:36,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:36,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:36,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:36,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:36,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:36,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:36,223 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:36,223 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:36,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 04:39:36,223 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_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-24 04:39:36,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:36,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:36,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:36,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:36,693 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:36,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 04:39:36,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/425b7231b/ec05e8e897c644109fbc62c4132b9b7c/FLAG52669a43e [2021-10-24 04:39:37,687 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:37,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 04:39:37,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/425b7231b/ec05e8e897c644109fbc62c4132b9b7c/FLAG52669a43e [2021-10-24 04:39:38,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1077d65-e253-43fa-948b-2c7d1ecf7319/bin/ugemcutter-s0tUvz4FYp/data/425b7231b/ec05e8e897c644109fbc62c4132b9b7c [2021-10-24 04:39:38,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:38,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:38,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:38,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:38,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:38,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:38" (1/1) ... [2021-10-24 04:39:38,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f347eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:38, skipping insertion in model container [2021-10-24 04:39:38,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:38" (1/1) ... [2021-10-24 04:39:38,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:38,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:38,816 WARN L228 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_d1077d65-e253-43fa-948b-2c7d1ecf7319/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-24 04:39:42,224 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-24 04:39:42,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a361ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:42, skipping insertion in model container [2021-10-24 04:39:42,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:42,226 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 04:39:42,228 INFO L168 Benchmark]: Toolchain (without parser) took 4076.04 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.6 MB in the beginning and 48.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:42,229 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:42,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4071.89 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.4 MB in the beginning and 48.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:42,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4071.89 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.4 MB in the beginning and 48.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 24.1 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...