./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 06:39:47,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:39:47,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:39:47,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:39:47,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:39:47,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:39:47,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:39:47,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:39:47,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:39:47,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:39:47,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:39:47,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:39:47,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:39:47,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:39:47,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:39:47,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:39:47,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:39:47,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:39:47,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:39:47,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:39:47,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:39:47,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:39:47,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:39:47,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:39:47,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:39:47,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:39:47,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:39:47,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:39:47,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:39:47,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:39:47,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:39:47,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:39:47,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:39:47,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:39:47,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:39:47,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:39:47,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:39:47,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:39:47,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:39:47,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:39:47,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:39:47,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-23 06:39:47,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:39:47,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:39:47,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:39:47,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:39:47,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:39:47,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:39:47,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:39:47,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:39:47,964 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:39:47,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:39:47,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:39:47,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 06:39:47,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:39:47,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:39:47,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:39:47,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 06:39:47,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:39:47,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 06:39:47,980 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 06:39:47,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:39:47,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 06:39:47,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:39:47,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 06:39:47,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:39:47,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:39:47,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:39:47,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:39:47,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:39:47,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:39:47,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 06:39:47,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:39:47,984 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-23 06:39:47,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:39:47,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:39:47,985 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-23 06:39:47,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:39:47,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 06:39:47,987 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:39:47,987 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:39:47,987 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_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-23 06:39:48,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:39:48,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:39:48,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:39:48,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:39:48,295 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:39:48,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-23 06:39:51,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:39:51,934 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:39:51,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-23 06:39:51,978 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/data/8c534f5e1/12465579ebfd4f51b2b93db35a59d44e/FLAGdb998d064 [2022-11-23 06:39:51,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/data/8c534f5e1/12465579ebfd4f51b2b93db35a59d44e [2022-11-23 06:39:51,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:39:52,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:39:52,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:39:52,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:39:52,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:39:52,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:51" (1/1) ... [2022-11-23 06:39:52,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b31f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:52, skipping insertion in model container [2022-11-23 06:39:52,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:51" (1/1) ... [2022-11-23 06:39:52,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:39:52,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:39:52,514 WARN L237 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_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-23 06:39:56,734 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-23 06:39:57,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:39:57,493 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:39:57,521 WARN L237 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_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-23 06:39:57,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-23 06:39:57,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:39:58,426 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:39:58,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58 WrapperNode [2022-11-23 06:39:58,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:39:58,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:39:58,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:39:58,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:39:58,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,627 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-11-23 06:39:58,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:39:58,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:39:58,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:39:58,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:39:58,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:39:58,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:39:58,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:39:58,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:39:58,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (1/1) ... [2022-11-23 06:39:58,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:39:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:39:58,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:39:58,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:39:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:39:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 06:39:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-11-23 06:39:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-11-23 06:39:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:39:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:39:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:39:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 06:39:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:39:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:39:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-11-23 06:39:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-11-23 06:39:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 06:39:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:39:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 06:39:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 06:39:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:39:58,807 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:39:59,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:39:59,290 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:39:59,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:39:59,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:39:59,967 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 06:39:59,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:59 BoogieIcfgContainer [2022-11-23 06:39:59,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:39:59,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:39:59,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:39:59,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:39:59,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:39:51" (1/3) ... [2022-11-23 06:39:59,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf2c269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:39:59, skipping insertion in model container [2022-11-23 06:39:59,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:58" (2/3) ... [2022-11-23 06:39:59,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf2c269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:39:59, skipping insertion in model container [2022-11-23 06:39:59,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:59" (3/3) ... [2022-11-23 06:39:59,983 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-23 06:39:59,992 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 06:40:00,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:40:00,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 06:40:00,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf2c269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:40:00, skipping insertion in model container [2022-11-23 06:40:00,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 06:40:00,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 06:40:00,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 06:40:00,006 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 06:40:00,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:59" (3/3) ... [2022-11-23 06:40:00,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 06:40:00,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2022-11-23 06:40:00,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2022-11-23 06:40:00,026 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2022-11-23 06:40:00,027 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 06:40:00,027 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 06:40:00,028 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 06:40:00,028 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 06:40:00,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/witness.graphml [2022-11-23 06:40:00,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 06:40:00,106 INFO L158 Benchmark]: Toolchain (without parser) took 8103.68ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 113.7MB in the beginning and 74.7MB in the end (delta: 39.0MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,106 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 06:40:00,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6423.04ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 113.7MB in the beginning and 139.7MB in the end (delta: -26.0MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.29ms. Allocated memory is still 230.7MB. Free memory was 139.7MB in the beginning and 130.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,108 INFO L158 Benchmark]: Boogie Preprocessor took 92.52ms. Allocated memory is still 230.7MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,108 INFO L158 Benchmark]: RCFGBuilder took 1246.86ms. Allocated memory is still 230.7MB. Free memory was 126.1MB in the beginning and 82.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,108 INFO L158 Benchmark]: TraceAbstraction took 31.13ms. Allocated memory is still 230.7MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,109 INFO L158 Benchmark]: Witness Printer took 99.27ms. Allocated memory is still 230.7MB. Free memory was 78.9MB in the beginning and 74.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 06:40:00,111 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 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6423.04ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 113.7MB in the beginning and 139.7MB in the end (delta: -26.0MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.29ms. Allocated memory is still 230.7MB. Free memory was 139.7MB in the beginning and 130.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.52ms. Allocated memory is still 230.7MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.86ms. Allocated memory is still 230.7MB. Free memory was 126.1MB in the beginning and 82.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 31.13ms. Allocated memory is still 230.7MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.27ms. Allocated memory is still 230.7MB. Free memory was 78.9MB in the beginning and 74.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-23 06:40:00,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450edce-2d26-4b34-bbcd-4eca3c1bb6e5/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE