./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.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_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:00:24,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:00:24,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:00:24,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:00:24,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:00:24,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:00:24,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:00:24,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:00:24,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:00:24,770 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:00:24,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:00:24,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:00:24,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:00:24,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:00:24,771 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:00:24,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:00:24,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:00:24,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:00:24,773 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:24,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:00:24,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:24,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:00:24,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2024-11-28 04:00:25,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:00:25,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:00:25,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:00:25,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:00:25,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:00:25,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-28 04:00:28,098 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/data/5764b7c70/8ce9802e090d49d1ab4a36a9392e457c/FLAGabf4fa16c [2024-11-28 04:00:28,761 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:00:28,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-28 04:00:28,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/data/5764b7c70/8ce9802e090d49d1ab4a36a9392e457c/FLAGabf4fa16c [2024-11-28 04:00:28,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/data/5764b7c70/8ce9802e090d49d1ab4a36a9392e457c [2024-11-28 04:00:28,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:00:28,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:00:28,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:28,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:00:28,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:00:28,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:28" (1/1) ... [2024-11-28 04:00:28,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c432831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:28, skipping insertion in model container [2024-11-28 04:00:28,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:00:28" (1/1) ... [2024-11-28 04:00:29,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:00:29,404 WARN L250 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_695e20ba-81f0-4699-943f-f0fbce6d8995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-28 04:00:34,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:34,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:00:34,155 WARN L250 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_695e20ba-81f0-4699-943f-f0fbce6d8995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-28 04:00:34,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-28 04:00:34,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-28 04:00:34,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-28 04:00:34,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-28 04:00:34,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-28 04:00:34,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:00:35,064 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:00:35,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35 WrapperNode [2024-11-28 04:00:35,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:00:35,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:35,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:00:35,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:00:35,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,199 INFO L138 Inliner]: procedures = 1354, calls = 1463, calls flagged for inlining = 352, calls inlined = 19, statements flattened = 343 [2024-11-28 04:00:35,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:00:35,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:00:35,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:00:35,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:00:35,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,257 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 5, 1, 4, 5, 31, 3]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 1, 4, 2, 31, 3]. The 4 writes are split as follows [0, 2, 0, 0, 2, 0, 0]. [2024-11-28 04:00:35,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,288 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:00:35,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:00:35,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:00:35,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:00:35,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (1/1) ... [2024-11-28 04:00:35,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:00:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:35,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:00:35,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:00:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:00:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:00:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:00:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:00:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:00:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:00:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:00:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:00:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-28 04:00:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-28 04:00:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:00:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:00:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:00:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:00:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:00:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:00:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:00:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-28 04:00:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:00:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:00:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:00:35,408 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:00:35,921 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:00:35,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:00:36,558 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:00:36,558 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:00:37,232 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:00:37,232 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:00:37,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:37 BoogieIcfgContainer [2024-11-28 04:00:37,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:00:37,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:00:37,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:00:37,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:00:37,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:00:28" (1/3) ... [2024-11-28 04:00:37,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f92028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:37, skipping insertion in model container [2024-11-28 04:00:37,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:00:35" (2/3) ... [2024-11-28 04:00:37,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f92028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:00:37, skipping insertion in model container [2024-11-28 04:00:37,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:37" (3/3) ... [2024-11-28 04:00:37,246 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-28 04:00:37,264 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:00:37,268 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i that has 3 procedures, 30 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:00:37,268 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:00:37,376 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:00:37,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 36 transitions, 86 flow [2024-11-28 04:00:37,472 INFO L124 PetriNetUnfolderBase]: 7/34 cut-off events. [2024-11-28 04:00:37,474 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:00:37,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 34 events. 7/34 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 31. Up to 4 conditions per place. [2024-11-28 04:00:37,484 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 36 transitions, 86 flow [2024-11-28 04:00:37,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 32 transitions, 73 flow [2024-11-28 04:00:37,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:00:37,517 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49b6bc93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:00:37,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 04:00:37,542 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:00:37,542 INFO L124 PetriNetUnfolderBase]: 5/22 cut-off events. [2024-11-28 04:00:37,542 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:00:37,542 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:00:37,543 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:37,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:00:37,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash -951891737, now seen corresponding path program 1 times [2024-11-28 04:00:37,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:37,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673135677] [2024-11-28 04:00:37,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:37,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:00:38,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673135677] [2024-11-28 04:00:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673135677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:38,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:38,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:00:38,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67325450] [2024-11-28 04:00:38,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:38,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:00:38,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:38,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:00:38,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:00:38,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 36 [2024-11-28 04:00:38,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:38,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:00:38,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 36 [2024-11-28 04:00:38,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:00:39,127 INFO L124 PetriNetUnfolderBase]: 379/588 cut-off events. [2024-11-28 04:00:39,127 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-28 04:00:39,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 588 events. 379/588 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1913 event pairs, 198 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 1136. Up to 467 conditions per place. [2024-11-28 04:00:39,135 INFO L140 encePairwiseOnDemand]: 33/36 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2024-11-28 04:00:39,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 42 transitions, 178 flow [2024-11-28 04:00:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:00:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:00:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-11-28 04:00:39,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-11-28 04:00:39,155 INFO L175 Difference]: Start difference. First operand has 32 places, 32 transitions, 73 flow. Second operand 3 states and 54 transitions. [2024-11-28 04:00:39,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 42 transitions, 178 flow [2024-11-28 04:00:39,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 42 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:00:39,162 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-11-28 04:00:39,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2024-11-28 04:00:39,169 INFO L279 CegarLoopForPetriNet]: 32 programPoint places, -3 predicate places. [2024-11-28 04:00:39,169 INFO L471 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-11-28 04:00:39,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:00:39,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-28 04:00:39,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-28 04:00:39,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 04:00:39,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-28 04:00:39,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:00:39,173 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 04:00:39,181 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:00:39,181 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:00:39,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:00:39 BasicIcfg [2024-11-28 04:00:39,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:00:39,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:00:39,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:00:39,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:00:39,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:00:37" (3/4) ... [2024-11-28 04:00:39,195 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:00:39,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-28 04:00:39,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-28 04:00:39,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2024-11-28 04:00:39,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-28 04:00:39,209 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-28 04:00:39,209 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 04:00:39,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:00:39,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:00:39,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:00:39,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:00:39,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:00:39,296 INFO L158 Benchmark]: Toolchain (without parser) took 10443.46ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 82.8MB in the beginning and 172.2MB in the end (delta: -89.4MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,297 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:00:39,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6210.17ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.6MB in the beginning and 73.6MB in the end (delta: 8.9MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.24ms. Allocated memory is still 209.7MB. Free memory was 73.6MB in the beginning and 63.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,297 INFO L158 Benchmark]: Boogie Preprocessor took 128.41ms. Allocated memory is still 209.7MB. Free memory was 63.9MB in the beginning and 58.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:00:39,298 INFO L158 Benchmark]: RCFGBuilder took 1903.42ms. Allocated memory was 209.7MB in the beginning and 302.0MB in the end (delta: 92.3MB). Free memory was 58.4MB in the beginning and 190.8MB in the end (delta: -132.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,298 INFO L158 Benchmark]: TraceAbstraction took 1956.15ms. Allocated memory is still 302.0MB. Free memory was 190.8MB in the beginning and 177.5MB in the end (delta: 13.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,298 INFO L158 Benchmark]: Witness Printer took 103.11ms. Allocated memory is still 302.0MB. Free memory was 177.5MB in the beginning and 172.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:00:39,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6210.17ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.6MB in the beginning and 73.6MB in the end (delta: 8.9MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.24ms. Allocated memory is still 209.7MB. Free memory was 73.6MB in the beginning and 63.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.41ms. Allocated memory is still 209.7MB. Free memory was 63.9MB in the beginning and 58.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1903.42ms. Allocated memory was 209.7MB in the beginning and 302.0MB in the end (delta: 92.3MB). Free memory was 58.4MB in the beginning and 190.8MB in the end (delta: -132.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1956.15ms. Allocated memory is still 302.0MB. Free memory was 190.8MB in the beginning and 177.5MB in the end (delta: 13.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 103.11ms. Allocated memory is still 302.0MB. Free memory was 177.5MB in the beginning and 172.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:00:39,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_695e20ba-81f0-4699-943f-f0fbce6d8995/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE