./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:39:29,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:39:29,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:39:29,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:39:29,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:39:29,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:39:29,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:39:29,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:39:29,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:39:29,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:39:29,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:39:29,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:39:29,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:39:29,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:39:29,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:39:29,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:39:29,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:39:29,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:39:29,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:39:29,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:39:29,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:39:29,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:39:29,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:39:29,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:39:29,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:39:29,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:39:29,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:39:29,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:39:29,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:39:29,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:39:29,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:39:29,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:39:29,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:39:29,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:39:29,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:39:29,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:39:29,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:39:29,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:39:29,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:39:29,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:39:29,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:39:29,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:39:30,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:39:30,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:39:30,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:39:30,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:39:30,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:39:30,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:39:30,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:39:30,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:39:30,013 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:39:30,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:39:30,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:39:30,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:39:30,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:39:30,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:39:30,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:39:30,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:39:30,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:39:30,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:39:30,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:39:30,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:39:30,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:39:30,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:39:30,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:39:30,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:39:30,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:30,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:39:30,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:39:30,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:39:30,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:39:30,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:39:30,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:39:30,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:39:30,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:39:30,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:39:30,019 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_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-13 18:39:30,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:39:30,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:39:30,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:39:30,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:39:30,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:39:30,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 18:39:30,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/19e80d8f6/9fa709b1171d458b891c86d32f5044c9/FLAG55d09772e [2021-11-13 18:39:31,509 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:39:31,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 18:39:31,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/19e80d8f6/9fa709b1171d458b891c86d32f5044c9/FLAG55d09772e [2021-11-13 18:39:31,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/19e80d8f6/9fa709b1171d458b891c86d32f5044c9 [2021-11-13 18:39:31,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:39:31,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:39:31,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:31,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:39:31,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:39:31,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:31" (1/1) ... [2021-11-13 18:39:31,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429c4a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:31, skipping insertion in model container [2021-11-13 18:39:31,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:31" (1/1) ... [2021-11-13 18:39:31,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:39:32,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:39:32,507 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_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-13 18:39:36,355 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 18:39:36,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ce6fdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:36, skipping insertion in model container [2021-11-13 18:39:36,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:36,357 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 18:39:36,360 INFO L158 Benchmark]: Toolchain (without parser) took 4463.31ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 54.1MB in the beginning and 107.1MB in the end (delta: -53.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-13 18:39:36,361 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:39:36,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4460.65ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 54.0MB in the beginning and 107.1MB in the end (delta: -53.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-13 18:39:36,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4460.65ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 54.0MB in the beginning and 107.1MB in the end (delta: -53.1MB). Peak memory consumption was 18.1MB. 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_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:39:38,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:39:38,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:39:39,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:39:39,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:39:39,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:39:39,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:39:39,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:39:39,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:39:39,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:39:39,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:39:39,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:39:39,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:39:39,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:39:39,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:39:39,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:39:39,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:39:39,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:39:39,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:39:39,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:39:39,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:39:39,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:39:39,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:39:39,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:39:39,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:39:39,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:39:39,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:39:39,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:39:39,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:39:39,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:39:39,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:39:39,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:39:39,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:39:39,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:39:39,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:39:39,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:39:39,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:39:39,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:39:39,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:39:39,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:39:39,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:39:39,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 18:39:39,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:39:39,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:39:39,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:39:39,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:39:39,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:39:39,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:39:39,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:39:39,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:39:39,178 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:39:39,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:39:39,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:39:39,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:39:39,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:39:39,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:39:39,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:39:39,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:39:39,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:39:39,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:39:39,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:39:39,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:39:39,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:39:39,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:39:39,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:39:39,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:39:39,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:39:39,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:39,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:39:39,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:39:39,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:39:39,185 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:39:39,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:39:39,186 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:39:39,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:39:39,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:39:39,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:39:39,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:39:39,187 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_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-13 18:39:39,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:39:39,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:39:39,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:39:39,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:39:39,684 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:39:39,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 18:39:39,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/d0d603d0c/8b476ee65034459687924ef63d1fe6de/FLAGde75319fb [2021-11-13 18:39:40,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:39:40,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-13 18:39:40,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/d0d603d0c/8b476ee65034459687924ef63d1fe6de/FLAGde75319fb [2021-11-13 18:39:41,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/bin/uautomizer-YU5uOKAj3y/data/d0d603d0c/8b476ee65034459687924ef63d1fe6de [2021-11-13 18:39:41,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:39:41,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:39:41,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:41,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:39:41,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:39:41,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:41" (1/1) ... [2021-11-13 18:39:41,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a9c50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:41, skipping insertion in model container [2021-11-13 18:39:41,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:41" (1/1) ... [2021-11-13 18:39:41,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:39:41,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:39:41,824 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_ab2d8a4d-9404-4eaf-8de8-9ea6d25ed20b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-13 18:39:46,104 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 18:39:46,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a3fa326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46, skipping insertion in model container [2021-11-13 18:39:46,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:46,106 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 18:39:46,108 INFO L158 Benchmark]: Toolchain (without parser) took 4925.64ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 53.1MB in the end (delta: 9.6MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-13 18:39:46,109 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 68.0MB in the beginning and 67.9MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:39:46,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4921.76ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 53.1MB in the end (delta: 9.6MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-13 18:39:46,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 68.0MB in the beginning and 67.9MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4921.76ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 53.1MB in the end (delta: 9.6MB). Peak memory consumption was 36.3MB. 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