./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.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_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 ...................................................................................................................................... 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_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 02:22:54,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,976 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,984 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,985 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,986 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,986 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_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-20 02:22:55,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:55,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:55,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:55,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:55,282 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:55,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-20 02:22:55,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/2eb481745/45a02056c4604015afd6ac3bc3f9a2f1/FLAGb118acc25 [2021-10-20 02:22:56,303 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:56,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-20 02:22:56,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/2eb481745/45a02056c4604015afd6ac3bc3f9a2f1/FLAGb118acc25 [2021-10-20 02:22:56,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/2eb481745/45a02056c4604015afd6ac3bc3f9a2f1 [2021-10-20 02:22:56,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:56,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:56,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:56,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:56,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f1b9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56, skipping insertion in model container [2021-10-20 02:22:56,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:56,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:57,214 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_7b614279-4bb7-4c1d-80da-32a0ea9db464/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-20 02:23:00,458 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:00,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@615f72ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:00, skipping insertion in model container [2021-10-20 02:23:00,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:00,460 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:00,462 INFO L168 Benchmark]: Toolchain (without parser) took 3749.05 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 74.6 MB in the beginning and 94.4 MB in the end (delta: -19.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,463 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 50.9 MB in the beginning and 50.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:00,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3746.61 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 74.4 MB in the beginning and 94.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,467 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 81.8 MB. Free memory was 50.9 MB in the beginning and 50.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3746.61 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 74.4 MB in the beginning and 94.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 31.4 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 [2021-10-20 02:23:02,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:23:02,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:23:02,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:23:02,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:23:02,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:23:02,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:23:02,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:23:02,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:23:02,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:23:02,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:23:02,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:23:02,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:23:02,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:23:02,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:23:02,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:23:02,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:23:02,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:23:02,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:23:02,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:23:02,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:23:02,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:23:02,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:23:02,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:23:02,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:23:02,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:23:02,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:23:02,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:23:02,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:23:02,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:23:02,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:23:02,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:23:02,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:23:02,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:23:02,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:23:02,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:23:02,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:23:02,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:23:02,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:23:02,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:23:02,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:23:02,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-20 02:23:03,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:23:03,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:23:03,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:23:03,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:23:03,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:23:03,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:23:03,007 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:23:03,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:23:03,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:23:03,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:23:03,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:23:03,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:23:03,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:23:03,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:23:03,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 02:23:03,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 02:23:03,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:23:03,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:23:03,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:23:03,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:23:03,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:23:03,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:23:03,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:23:03,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:03,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:23:03,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:23:03,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:23:03,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-20 02:23:03,013 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 02:23:03,013 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:23:03,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:23:03,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:23:03,014 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:23:03,014 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:23:03,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 02:23:03,014 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_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-20 02:23:03,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:23:03,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:23:03,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:23:03,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:23:03,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:23:03,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-20 02:23:03,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/b4ad1e468/b3a4b62cb2fd4d648f1da4b068ba4f15/FLAGb89baa355 [2021-10-20 02:23:04,529 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:23:04,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-20 02:23:04,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/b4ad1e468/b3a4b62cb2fd4d648f1da4b068ba4f15/FLAGb89baa355 [2021-10-20 02:23:04,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b614279-4bb7-4c1d-80da-32a0ea9db464/bin/ugemcutter-S3k5n7jwrD/data/b4ad1e468/b3a4b62cb2fd4d648f1da4b068ba4f15 [2021-10-20 02:23:04,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:23:04,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:23:04,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:04,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:23:04,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:23:04,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:04" (1/1) ... [2021-10-20 02:23:04,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482f42ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:04, skipping insertion in model container [2021-10-20 02:23:04,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:04" (1/1) ... [2021-10-20 02:23:04,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:23:05,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:23:05,495 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_7b614279-4bb7-4c1d-80da-32a0ea9db464/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-20 02:23:08,477 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:08,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ea8bef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:08, skipping insertion in model container [2021-10-20 02:23:08,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:08,478 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:08,480 INFO L168 Benchmark]: Toolchain (without parser) took 3538.21 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.9 MB in the beginning and 36.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:08,481 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:08,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3535.86 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.7 MB in the beginning and 36.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:08,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3535.86 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.7 MB in the beginning and 36.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 22.3 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...