./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:46:55,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:46:55,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:46:55,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:46:55,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:46:55,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:46:55,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:46:55,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:46:55,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:46:55,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:46:55,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:46:55,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:46:55,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:46:55,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:46:55,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:46:55,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:46:55,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:46:55,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:46:55,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:46:55,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:46:55,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:46:55,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:46:55,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:46:55,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:46:55,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:46:55,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:46:55,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:46:55,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:46:55,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:46:55,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:46:55,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:46:55,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:46:55,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:46:55,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:46:55,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:46:55,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:46:55,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:46:55,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:46:55,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:46:55,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:46:55,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:46:55,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:46:56,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:46:56,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:46:56,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:46:56,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:46:56,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:46:56,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:46:56,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:46:56,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:46:56,025 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:46:56,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:46:56,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:46:56,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:46:56,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:46:56,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:46:56,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:46:56,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:46:56,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:46:56,027 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:46:56,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:46:56,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:46:56,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:46:56,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:46:56,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:46:56,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:46:56,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:46:56,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:46:56,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:46:56,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:46:56,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:46:56,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:46:56,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:46:56,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:46:56,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:46:56,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:46:56,031 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:46:56,031 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:46:56,031 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_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-20 07:46:56,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:46:56,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:46:56,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:46:56,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:46:56,286 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:46:56,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-20 07:46:56,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/3b6eecd2e/36eb7bea38414e32a72ef0c0fe027b97/FLAG022ca88b4 [2021-11-20 07:46:57,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:46:57,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-20 07:46:57,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/3b6eecd2e/36eb7bea38414e32a72ef0c0fe027b97/FLAG022ca88b4 [2021-11-20 07:46:57,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/3b6eecd2e/36eb7bea38414e32a72ef0c0fe027b97 [2021-11-20 07:46:57,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:46:57,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:46:57,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:46:57,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:46:57,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:46:57,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:57" (1/1) ... [2021-11-20 07:46:57,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419fbcde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:57, skipping insertion in model container [2021-11-20 07:46:57,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:57" (1/1) ... [2021-11-20 07:46:57,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:46:57,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:46:57,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 07:47:01,255 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:47:01,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f64ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:01, skipping insertion in model container [2021-11-20 07:47:01,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:01,258 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:47:01,260 INFO L158 Benchmark]: Toolchain (without parser) took 3885.67ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 89.2MB in the end (delta: -27.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-11-20 07:47:01,261 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:01,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3882.63ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 89.2MB in the end (delta: -27.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-11-20 07:47:01,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3882.63ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 89.2MB in the end (delta: -27.9MB). Peak memory consumption was 25.7MB. 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_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:47:03,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:47:03,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:47:03,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:47:03,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:47:03,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:47:03,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:47:03,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:47:03,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:47:03,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:47:03,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:47:03,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:47:03,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:47:03,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:47:03,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:47:03,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:47:03,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:47:03,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:47:03,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:47:03,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:47:03,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:47:03,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:47:03,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:47:03,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:47:03,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:47:03,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:47:03,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:47:03,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:47:03,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:47:03,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:47:03,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:47:03,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:47:03,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:47:03,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:47:03,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:47:03,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:47:03,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:47:03,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:47:03,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:47:03,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:47:03,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:47:03,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:47:03,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:47:03,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:47:03,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:47:03,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:47:03,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:47:03,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:47:03,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:47:03,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:47:03,747 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:47:03,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:47:03,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:47:03,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:47:03,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:47:03,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:47:03,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:47:03,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:47:03,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:47:03,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:47:03,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:47:03,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:47:03,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:47:03,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:47:03,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:47:03,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:47:03,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:47:03,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:47:03,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:47:03,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:47:03,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:47:03,752 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:47:03,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:47:03,753 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:47:03,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:47:03,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:47:03,753 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:47:03,754 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:47:03,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:47:03,754 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_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-20 07:47:04,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:47:04,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:47:04,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:47:04,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:47:04,146 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:47:04,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-20 07:47:04,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/4d1efc9a5/736e0c5badf147bdb50ac88ff99affdd/FLAG0c486d74b [2021-11-20 07:47:05,215 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:47:05,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-20 07:47:05,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/4d1efc9a5/736e0c5badf147bdb50ac88ff99affdd/FLAG0c486d74b [2021-11-20 07:47:05,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/bin/ugemcutter-b9s2R6iq4d/data/4d1efc9a5/736e0c5badf147bdb50ac88ff99affdd [2021-11-20 07:47:05,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:47:05,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:47:05,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:05,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:47:05,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:47:05,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:05" (1/1) ... [2021-11-20 07:47:05,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd4d4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:05, skipping insertion in model container [2021-11-20 07:47:05,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:05" (1/1) ... [2021-11-20 07:47:05,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:47:05,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:47:06,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0522f4bf-2fbf-4d2d-8a69-cbb94c074a35/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 07:47:10,459 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:47:10,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a3de551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:10, skipping insertion in model container [2021-11-20 07:47:10,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:10,460 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:47:10,462 INFO L158 Benchmark]: Toolchain (without parser) took 4833.03ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 27.4MB in the beginning and 43.6MB in the end (delta: -16.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-20 07:47:10,463 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:10,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4830.62ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 27.1MB in the beginning and 43.6MB in the end (delta: -16.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-20 07:47:10,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4830.62ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 27.1MB in the beginning and 43.6MB in the end (delta: -16.4MB). Peak memory consumption was 20.3MB. 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