./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.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_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:58,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:58,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 12:35:58,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:58,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:58,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:58,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:58,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:58,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:58,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:58,192 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:58,192 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:58,193 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:58,194 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:58,196 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:58,196 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:58,196 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:58,197 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:58,197 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:58,197 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:58,197 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:58,202 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:58,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:58,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:58,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:58,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:58,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:58,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:58,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:58,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:58,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:58,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:58,205 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:35:58,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:35:58,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:58,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:58,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:58,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:58,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:58,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:58,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:58,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:58,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:58,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:58,211 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:58,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:58,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:58,211 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:58,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:58,212 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b [2024-11-02 12:35:58,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:58,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:58,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:58,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:58,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:58,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-11-02 12:36:00,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:01,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:01,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-02 12:36:01,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/data/15ef943fb/a199d1c7b3a3416383b3aff25271b195/FLAGa32395078 [2024-11-02 12:36:01,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/data/15ef943fb/a199d1c7b3a3416383b3aff25271b195 [2024-11-02 12:36:01,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:01,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:01,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:01,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:01,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:01,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:01" (1/1) ... [2024-11-02 12:36:01,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584ff564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:01, skipping insertion in model container [2024-11-02 12:36:01,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:01" (1/1) ... [2024-11-02 12:36:01,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:08,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:08,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:08,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-11-02 12:36:08,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-11-02 12:36:08,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-11-02 12:36:08,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-11-02 12:36:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5816] [2024-11-02 12:36:08,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:09,507 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:09,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09 WrapperNode [2024-11-02 12:36:09,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:09,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:09,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:09,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:09,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,699 INFO L138 Inliner]: procedures = 1353, calls = 1463, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 344 [2024-11-02 12:36:09,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:09,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:09,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:09,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:09,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:09,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:09,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:09,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:09,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (1/1) ... [2024-11-02 12:36:09,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:09,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:09,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:09,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:36:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:36:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-02 12:36:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-02 12:36:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:36:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-02 12:36:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-02 12:36:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 12:36:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 12:36:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:36:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:09,869 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:36:10,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:10,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:10,967 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:36:10,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:11,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:11,658 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:11,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:11 BoogieIcfgContainer [2024-11-02 12:36:11,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:11,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:11,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:11,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:11,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:01" (1/3) ... [2024-11-02 12:36:11,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e387a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:11, skipping insertion in model container [2024-11-02 12:36:11,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:09" (2/3) ... [2024-11-02 12:36:11,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e387a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:11, skipping insertion in model container [2024-11-02 12:36:11,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:11" (3/3) ... [2024-11-02 12:36:11,668 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-02 12:36:11,689 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:11,689 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-02 12:36:11,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e387a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:36:11, skipping insertion in model container [2024-11-02 12:36:11,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:36:11,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:36:11,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:36:11,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:36:11,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:11" (3/3) ... [2024-11-02 12:36:11,696 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:36:11,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-02 12:36:11,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-02 12:36:11,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2024-11-02 12:36:11,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2024-11-02 12:36:11,713 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-02 12:36:11,713 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-02 12:36:11,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:36:11,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:36:11,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:36:11,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:36:11,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:36:11,851 INFO L158 Benchmark]: Toolchain (without parser) took 10575.88ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 110.8MB in the beginning and 93.7MB in the end (delta: 17.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,852 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 111.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:11,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8231.81ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 110.5MB in the beginning and 130.6MB in the end (delta: -20.1MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.60ms. Allocated memory is still 230.7MB. Free memory was 130.6MB in the beginning and 121.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,853 INFO L158 Benchmark]: Boogie Preprocessor took 82.52ms. Allocated memory is still 230.7MB. Free memory was 121.2MB in the beginning and 117.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,854 INFO L158 Benchmark]: RCFGBuilder took 1875.28ms. Allocated memory is still 230.7MB. Free memory was 117.0MB in the beginning and 103.1MB in the end (delta: 13.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,855 INFO L158 Benchmark]: TraceAbstraction took 29.50ms. Allocated memory is still 230.7MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,855 INFO L158 Benchmark]: Witness Printer took 158.59ms. Allocated memory is still 230.7MB. Free memory was 101.0MB in the beginning and 93.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-02 12:36:11,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 111.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8231.81ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 110.5MB in the beginning and 130.6MB in the end (delta: -20.1MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.60ms. Allocated memory is still 230.7MB. Free memory was 130.6MB in the beginning and 121.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.52ms. Allocated memory is still 230.7MB. Free memory was 121.2MB in the beginning and 117.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1875.28ms. Allocated memory is still 230.7MB. Free memory was 117.0MB in the beginning and 103.1MB in the end (delta: 13.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.50ms. Allocated memory is still 230.7MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 158.59ms. Allocated memory is still 230.7MB. Free memory was 101.0MB in the beginning and 93.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5816]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5816] * 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! [2024-11-02 12:36:11,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51330b20-33aa-4e31-8ac4-15c86df11fdc/bin/utaipan-verify-DbMuA5NWw2/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