./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC --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 64bit --witnessprinter.graph.data.programhash abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:47:08,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:47:08,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:47:08,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:47:08,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:47:08,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:47:08,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:47:08,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:47:08,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:47:08,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:47:08,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:47:08,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:47:08,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:47:08,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:47:08,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:47:08,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:47:08,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:47:08,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:47:08,633 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:47:08,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:08,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:47:08,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:47:08,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:47:08,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:47:08,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:08,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:47:08,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:47:08,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:47:08,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:47:08,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:47:08,636 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_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 [2024-11-23 23:47:08,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:47:08,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:47:08,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:47:08,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:47:08,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:47:08,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-23 23:47:12,297 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/data/978f5c1fa/11ac63ce67694c38a8e1d1531925cdc0/FLAG014240a3b [2024-11-23 23:47:12,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:47:12,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-23 23:47:13,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/data/978f5c1fa/11ac63ce67694c38a8e1d1531925cdc0/FLAG014240a3b [2024-11-23 23:47:13,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/data/978f5c1fa/11ac63ce67694c38a8e1d1531925cdc0 [2024-11-23 23:47:13,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:47:13,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:47:13,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:47:13,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:47:13,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:47:13,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:47:13" (1/1) ... [2024-11-23 23:47:13,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ae4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:13, skipping insertion in model container [2024-11-23 23:47:13,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:47:13" (1/1) ... [2024-11-23 23:47:13,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:47:15,528 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_50f3cdab-113e-4c35-923c-78b028ef688b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-23 23:47:15,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:47:15,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:47:15,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3725-3726] [2024-11-23 23:47:15,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3737-3738] [2024-11-23 23:47:15,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3741-3742] [2024-11-23 23:47:15,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3745-3746] [2024-11-23 23:47:15,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3749-3750] [2024-11-23 23:47:16,115 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_50f3cdab-113e-4c35-923c-78b028ef688b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-23 23:47:16,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:47:16,256 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:47:16,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16 WrapperNode [2024-11-23 23:47:16,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:47:16,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:47:16,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:47:16,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:47:16,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:16,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:16,734 INFO L138 Inliner]: procedures = 268, calls = 2838, calls flagged for inlining = 123, calls inlined = 114, statements flattened = 6784 [2024-11-23 23:47:16,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:47:16,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:47:16,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:47:16,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:47:16,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:16,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:16,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,090 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 3, 3, 3, 1035, 2, 3, 47, 7, 26, 34, 2, 9, 3, 2, 3, 3]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 0, 0, 53, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0]. The 655 writes are split as follows [0, 3, 3, 3, 563, 1, 3, 45, 2, 13, 8, 1, 0, 3, 1, 3, 3]. [2024-11-23 23:47:18,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:47:18,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:47:18,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:47:18,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:47:18,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (1/1) ... [2024-11-23 23:47:18,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:47:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:47:18,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:47:18,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:47:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-23 23:47:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-23 23:47:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 23:47:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 23:47:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-23 23:47:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-23 23:47:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-11-23 23:47:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:47:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:47:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:47:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:47:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:47:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:47:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:47:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:47:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:47:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:47:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:47:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:47:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-11-23 23:47:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-11-23 23:47:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:47:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:47:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-23 23:47:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-23 23:47:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-23 23:47:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:47:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-23 23:47:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-23 23:47:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-23 23:47:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-11-23 23:47:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:47:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:47:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-23 23:47:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-23 23:47:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-23 23:47:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-23 23:47:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-11-23 23:47:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-11-23 23:47:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:47:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-23 23:47:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-23 23:47:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:47:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:47:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:47:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 23:47:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-11-23 23:47:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-11-23 23:47:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-11-23 23:47:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-11-23 23:47:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 23:47:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 23:47:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2024-11-23 23:47:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2024-11-23 23:47:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2024-11-23 23:47:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2024-11-23 23:47:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-23 23:47:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-23 23:47:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2024-11-23 23:47:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2024-11-23 23:47:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-23 23:47:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-23 23:47:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-23 23:47:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-23 23:47:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-11-23 23:47:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-11-23 23:47:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-11-23 23:47:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-11-23 23:47:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-11-23 23:47:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-11-23 23:47:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:47:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-23 23:47:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-11-23 23:47:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-23 23:47:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-23 23:47:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-23 23:47:18,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-23 23:47:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:47:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:47:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:47:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:47:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:47:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-23 23:47:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-23 23:47:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:47:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-23 23:47:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:47:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:47:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 23:47:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 23:47:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-23 23:47:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-23 23:47:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:47:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-23 23:47:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:47:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-11-23 23:47:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:47:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:47:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-11-23 23:47:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-23 23:47:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 23:47:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-23 23:47:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-11-23 23:47:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-11-23 23:47:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:47:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:47:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:47:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:47:19,914 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:47:19,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:47:20,027 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:47:47,583 INFO L? ?]: Removed 1985 outVars from TransFormulas that were not future-live. [2024-11-23 23:47:47,584 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:47:47,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:47:47,664 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-23 23:47:47,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:47 BoogieIcfgContainer [2024-11-23 23:47:47,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:47:47,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:47:47,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:47:47,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:47:47,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:47:13" (1/3) ... [2024-11-23 23:47:47,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d513e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:47:47, skipping insertion in model container [2024-11-23 23:47:47,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:47:16" (2/3) ... [2024-11-23 23:47:47,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d513e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:47:47, skipping insertion in model container [2024-11-23 23:47:47,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:47" (3/3) ... [2024-11-23 23:47:47,683 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-23 23:47:47,705 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:47:47,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i that has 85 procedures, 1979 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2024-11-23 23:47:47,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:47:47,893 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;@5fc318f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:47:47,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:47:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) [2024-11-23 23:47:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 23:47:47,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:47,931 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:47,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:47:47,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash -910371414, now seen corresponding path program 1 times [2024-11-23 23:47:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:47,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141613789] [2024-11-23 23:47:47,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:47,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-23 23:47:59,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:59,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141613789] [2024-11-23 23:47:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141613789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:47:59,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005962712] [2024-11-23 23:47:59,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:47:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:47:59,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:47:59,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:48:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:08,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 4640 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:48:08,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:48:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-23 23:48:08,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:48:08,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005962712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:08,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:48:08,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:48:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373105771] [2024-11-23 23:48:08,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:08,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:48:08,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:08,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:48:08,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:48:08,853 INFO L87 Difference]: Start difference. First operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:48:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:09,170 INFO L93 Difference]: Finished difference Result 3951 states and 6038 transitions. [2024-11-23 23:48:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:48:09,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-23 23:48:09,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:09,214 INFO L225 Difference]: With dead ends: 3951 [2024-11-23 23:48:09,215 INFO L226 Difference]: Without dead ends: 1961 [2024-11-23 23:48:09,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:48:09,251 INFO L435 NwaCegarLoop]: 2938 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:09,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:48:09,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2024-11-23 23:48:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2024-11-23 23:48:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1402 states have (on average 1.4015691868758915) internal successors, (1965), 1447 states have internal predecessors, (1965), 476 states have call successors, (476), 83 states have call predecessors, (476), 82 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-23 23:48:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2915 transitions. [2024-11-23 23:48:09,538 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2915 transitions. Word has length 127 [2024-11-23 23:48:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:09,539 INFO L471 AbstractCegarLoop]: Abstraction has 1961 states and 2915 transitions. [2024-11-23 23:48:09,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:48:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2915 transitions. [2024-11-23 23:48:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 23:48:09,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:09,544 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:09,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:48:09,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:48:09,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:09,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:09,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1267631456, now seen corresponding path program 1 times [2024-11-23 23:48:09,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:09,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449206730] [2024-11-23 23:48:09,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-23 23:48:19,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:19,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449206730] [2024-11-23 23:48:19,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449206730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:19,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:19,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:48:19,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888303405] [2024-11-23 23:48:19,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:19,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:48:19,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:19,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:48:19,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:19,534 INFO L87 Difference]: Start difference. First operand 1961 states and 2915 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:20,170 INFO L93 Difference]: Finished difference Result 5642 states and 8402 transitions. [2024-11-23 23:48:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:48:20,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 127 [2024-11-23 23:48:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:20,217 INFO L225 Difference]: With dead ends: 5642 [2024-11-23 23:48:20,218 INFO L226 Difference]: Without dead ends: 3710 [2024-11-23 23:48:20,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:20,238 INFO L435 NwaCegarLoop]: 2960 mSDtfsCounter, 2679 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:20,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 5786 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:48:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2024-11-23 23:48:20,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3705. [2024-11-23 23:48:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2667 states have (on average 1.4105736782902136) internal successors, (3762), 2754 states have internal predecessors, (3762), 880 states have call successors, (880), 158 states have call predecessors, (880), 157 states have return successors, (878), 850 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-23 23:48:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 5520 transitions. [2024-11-23 23:48:20,562 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 5520 transitions. Word has length 127 [2024-11-23 23:48:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:20,563 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 5520 transitions. [2024-11-23 23:48:20,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5520 transitions. [2024-11-23 23:48:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 23:48:20,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:20,572 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:20,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:48:20,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:20,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:20,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1994151888, now seen corresponding path program 1 times [2024-11-23 23:48:20,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:20,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080442390] [2024-11-23 23:48:20,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-23 23:48:30,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:30,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080442390] [2024-11-23 23:48:30,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080442390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:30,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:30,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:48:30,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364727536] [2024-11-23 23:48:30,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:30,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:48:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:30,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:48:30,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:30,327 INFO L87 Difference]: Start difference. First operand 3705 states and 5520 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:31,061 INFO L93 Difference]: Finished difference Result 10807 states and 16102 transitions. [2024-11-23 23:48:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:48:31,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 134 [2024-11-23 23:48:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:31,127 INFO L225 Difference]: With dead ends: 10807 [2024-11-23 23:48:31,128 INFO L226 Difference]: Without dead ends: 7131 [2024-11-23 23:48:31,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:31,161 INFO L435 NwaCegarLoop]: 2914 mSDtfsCounter, 2713 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 5770 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:31,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 5770 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:48:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7131 states. [2024-11-23 23:48:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7131 to 7128. [2024-11-23 23:48:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 5122 states have (on average 1.41097227645451) internal successors, (7227), 5290 states have internal predecessors, (7227), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-23 23:48:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 10616 transitions. [2024-11-23 23:48:31,677 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 10616 transitions. Word has length 134 [2024-11-23 23:48:31,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:31,678 INFO L471 AbstractCegarLoop]: Abstraction has 7128 states and 10616 transitions. [2024-11-23 23:48:31,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 10616 transitions. [2024-11-23 23:48:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:48:31,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:31,685 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:31,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:48:31,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:31,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:31,686 INFO L85 PathProgramCache]: Analyzing trace with hash -457103506, now seen corresponding path program 1 times [2024-11-23 23:48:31,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:31,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175155961] [2024-11-23 23:48:31,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-23 23:48:40,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:40,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175155961] [2024-11-23 23:48:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175155961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:40,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:40,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:48:40,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152876435] [2024-11-23 23:48:40,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:40,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:48:40,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:40,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:48:40,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:40,765 INFO L87 Difference]: Start difference. First operand 7128 states and 10616 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:41,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:41,073 INFO L93 Difference]: Finished difference Result 7135 states and 10626 transitions. [2024-11-23 23:48:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:48:41,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2024-11-23 23:48:41,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:41,134 INFO L225 Difference]: With dead ends: 7135 [2024-11-23 23:48:41,135 INFO L226 Difference]: Without dead ends: 7132 [2024-11-23 23:48:41,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:48:41,143 INFO L435 NwaCegarLoop]: 2914 mSDtfsCounter, 0 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5823 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:41,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5823 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:48:41,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2024-11-23 23:48:41,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 7132. [2024-11-23 23:48:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7132 states, 5126 states have (on average 1.4106515801794772) internal successors, (7231), 5294 states have internal predecessors, (7231), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-23 23:48:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7132 states to 7132 states and 10620 transitions. [2024-11-23 23:48:41,599 INFO L78 Accepts]: Start accepts. Automaton has 7132 states and 10620 transitions. Word has length 136 [2024-11-23 23:48:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:41,601 INFO L471 AbstractCegarLoop]: Abstraction has 7132 states and 10620 transitions. [2024-11-23 23:48:41,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:48:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 7132 states and 10620 transitions. [2024-11-23 23:48:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-23 23:48:41,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:41,611 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:41,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:48:41,611 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:48:41,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:41,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1692681165, now seen corresponding path program 1 times [2024-11-23 23:48:41,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:41,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008820663] [2024-11-23 23:48:41,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:41,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-23 23:48:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:51,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008820663] [2024-11-23 23:48:51,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008820663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:51,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:51,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:48:51,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076707328] [2024-11-23 23:48:51,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:51,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:48:51,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:51,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:48:51,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:48:51,100 INFO L87 Difference]: Start difference. First operand 7132 states and 10620 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:48:51,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:51,665 INFO L93 Difference]: Finished difference Result 14202 states and 21454 transitions. [2024-11-23 23:48:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:48:51,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 138 [2024-11-23 23:48:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:51,679 INFO L225 Difference]: With dead ends: 14202 [2024-11-23 23:48:51,679 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:48:51,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:48:51,798 INFO L435 NwaCegarLoop]: 2902 mSDtfsCounter, 2865 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:51,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2865 Valid, 5804 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:48:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:48:51,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:48:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-23 23:48:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:48:51,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-11-23 23:48:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:51,814 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:48:51,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:48:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:48:51,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:48:51,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:48:51,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:48:51,821 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 23:48:51,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:51:01,639 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:51:01,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:51:01 BoogieIcfgContainer [2024-11-23 23:51:01,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:51:01,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:51:01,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:51:01,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:51:01,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:47:47" (3/4) ... [2024-11-23 23:51:01,678 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_gone_away [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_config [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_respond_work [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_status_work [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_cancel_work [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-11-23 23:51:01,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_sub [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_requeue_work [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_requeue_work [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_kick_command_queue [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_get [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:51:01,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __alloc_workqueue_key [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure up [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_flush_input_fifo [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_get_kref [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_reg [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_queue_work [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_disconnect [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_work_1 [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_respond_queue_work [2024-11-23 23:51:01,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_config [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_pcimem [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_cancel_work [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-11-23 23:51:01,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_all_1 [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_work_1 [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_completions [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_work_1 [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_timer_key [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_cancel_work [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cancel_delayed_work [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __might_fault [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_reg [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work_on [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_do_callback [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_requeue_work [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_put [2024-11-23 23:51:01,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:51:01,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work [2024-11-23 23:51:01,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_45 [2024-11-23 23:51:01,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_44 [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_43 [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_command_work [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_put_kref [2024-11-23 23:51:01,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flush_workqueue [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_targets [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_pcimem [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_found_controller [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-23 23:51:01,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_setup_controller [2024-11-23 23:51:01,770 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1009 nodes and edges [2024-11-23 23:51:01,780 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2024-11-23 23:51:01,790 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-11-23 23:51:01,796 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 23:51:01,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:51:01,807 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:51:01,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:51:02,417 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:51:02,417 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:51:02,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:51:02,418 INFO L158 Benchmark]: Toolchain (without parser) took 229033.81ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 80.6MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 531.9MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,421 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:51:02,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2871.77ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 47.6MB in the end (delta: 33.0MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 480.81ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.6MB in the beginning and 112.9MB in the end (delta: -65.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,421 INFO L158 Benchmark]: Boogie Preprocessor took 1719.63ms. Allocated memory is still 201.3MB. Free memory was 112.9MB in the beginning and 70.1MB in the end (delta: 42.8MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,422 INFO L158 Benchmark]: RCFGBuilder took 29205.70ms. Allocated memory was 201.3MB in the beginning and 335.5MB in the end (delta: 134.2MB). Free memory was 70.1MB in the beginning and 147.1MB in the end (delta: -77.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,422 INFO L158 Benchmark]: TraceAbstraction took 194002.68ms. Allocated memory was 335.5MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 147.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-23 23:51:02,422 INFO L158 Benchmark]: Witness Printer took 744.24ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 86.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-23 23:51:02,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2871.77ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 47.6MB in the end (delta: 33.0MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 480.81ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 47.6MB in the beginning and 112.9MB in the end (delta: -65.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1719.63ms. Allocated memory is still 201.3MB. Free memory was 112.9MB in the beginning and 70.1MB in the end (delta: 42.8MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * RCFGBuilder took 29205.70ms. Allocated memory was 201.3MB in the beginning and 335.5MB in the end (delta: 134.2MB). Free memory was 70.1MB in the beginning and 147.1MB in the end (delta: -77.0MB). Peak memory consumption was 175.9MB. Max. memory is 16.1GB. * TraceAbstraction took 194002.68ms. Allocated memory was 335.5MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 147.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 744.24ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 86.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3725]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3725-3726] - GenericResultAtLocation [Line: 3737]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3737-3738] - GenericResultAtLocation [Line: 3741]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3741-3742] - GenericResultAtLocation [Line: 3745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3745-3746] - GenericResultAtLocation [Line: 3749]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3749-3750] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 9174]: 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 CFG has 85 procedures, 1979 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.0s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8257 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8257 mSDsluCounter, 26121 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11493 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14628 mSDtfsCounter, 40 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7132occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 789 NumberOfCodeBlocks, 789 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4640 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1000/1020 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 - InvariantResult [Line: 7493]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5458]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 6893]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 6618]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 8099]: Location Invariant Derived location invariant: ((ldv_state_variable_4 == 0) && (ldv_spin == 0)) - InvariantResult [Line: 7263]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5455]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5609]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 6888]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5593]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7053]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4989]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5690]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5590]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5228]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4984]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4497]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5225]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7058]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 6623]: Loop Invariant Derived loop invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:51:02,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f3cdab-113e-4c35-923c-78b028ef688b/bin/uautomizer-verify-LYvppIcaGC/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