./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/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_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 06:33:20,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:33:20,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:33:20,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:33:20,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:33:20,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:33:20,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:33:20,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:33:20,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:33:20,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:33:20,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:33:20,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:33:20,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:33:20,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:33:20,532 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:33:20,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:33:20,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:33:20,534 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:33:20,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:33:20,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:33:20,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:33:20,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:33:20,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:33:20,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:33:20,536 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_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 06:33:20,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:33:20,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:33:20,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:33:20,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:33:20,756 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:33:20,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-12-02 06:33:23,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/data/4f506f403/07e6ac2d8e304365870d7ea3735e9f13/FLAGee14459ff [2024-12-02 06:33:23,869 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:33:23,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-12-02 06:33:23,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/data/4f506f403/07e6ac2d8e304365870d7ea3735e9f13/FLAGee14459ff [2024-12-02 06:33:23,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/data/4f506f403/07e6ac2d8e304365870d7ea3735e9f13 [2024-12-02 06:33:23,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:33:23,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:33:23,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:33:23,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:33:24,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:33:24,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:23" (1/1) ... [2024-12-02 06:33:24,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afe53dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:24, skipping insertion in model container [2024-12-02 06:33:24,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:33:23" (1/1) ... [2024-12-02 06:33:24,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:33:25,660 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_0768c6f6-37f2-47bb-822a-9bd22321a943/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] [2024-12-02 06:33:25,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:33:25,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:33:25,864 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] [2024-12-02 06:33:25,867 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] [2024-12-02 06:33:25,867 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] [2024-12-02 06:33:25,867 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] [2024-12-02 06:33:25,867 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] [2024-12-02 06:33:26,098 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_0768c6f6-37f2-47bb-822a-9bd22321a943/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] [2024-12-02 06:33:26,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:33:26,185 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:33:26,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26 WrapperNode [2024-12-02 06:33:26,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:33:26,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:33:26,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:33:26,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:33:26,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:26,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:26,447 INFO L138 Inliner]: procedures = 268, calls = 2838, calls flagged for inlining = 123, calls inlined = 114, statements flattened = 6784 [2024-12-02 06:33:26,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:33:26,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:33:26,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:33:26,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:33:26,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:26,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:26,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,312 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 34, 3, 3, 9, 3, 2, 3, 7, 2, 3, 47, 2, 3, 26, 3, 1035]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 53]. The 655 writes are split as follows [0, 8, 3, 3, 0, 3, 1, 3, 2, 1, 3, 45, 1, 3, 13, 3, 563]. [2024-12-02 06:33:27,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:33:27,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:33:27,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:33:27,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:33:27,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (1/1) ... [2024-12-02 06:33:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:33:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:33:27,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:33:27,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:33:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-12-02 06:33:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 06:33:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-12-02 06:33:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-12-02 06:33:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:33:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:33:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-12-02 06:33:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 06:33:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-12-02 06:33:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-12-02 06:33:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-12-02 06:33:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 06:33:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-12-02 06:33:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-12-02 06:33:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-12-02 06:33:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-12-02 06:33:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:33:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-12-02 06:33:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-12-02 06:33:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-12-02 06:33:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-12-02 06:33:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:33:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-12-02 06:33:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:33:27,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:33:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-12-02 06:33:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-12-02 06:33:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-12-02 06:33:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:33:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:33:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 06:33:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-12-02 06:33:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-12-02 06:33:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-12-02 06:33:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-12-02 06:33:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:33:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-12-02 06:33:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-12-02 06:33:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-12-02 06:33:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-12-02 06:33:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:33:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-12-02 06:33:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-12-02 06:33:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-12-02 06:33:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:33:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-12-02 06:33:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:33:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:33:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 06:33:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-12-02 06:33:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-12-02 06:33:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:33:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:33:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:33:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:33:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:33:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:33:28,440 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:33:28,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:33:28,543 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:33:48,471 INFO L? ?]: Removed 1985 outVars from TransFormulas that were not future-live. [2024-12-02 06:33:48,471 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:33:48,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:33:48,512 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-12-02 06:33:48,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:48 BoogieIcfgContainer [2024-12-02 06:33:48,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:33:48,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:33:48,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:33:48,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:33:48,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:33:23" (1/3) ... [2024-12-02 06:33:48,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e3cc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:48, skipping insertion in model container [2024-12-02 06:33:48,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:33:26" (2/3) ... [2024-12-02 06:33:48,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e3cc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:33:48, skipping insertion in model container [2024-12-02 06:33:48,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:48" (3/3) ... [2024-12-02 06:33:48,521 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-12-02 06:33:48,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:33:48,538 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. [2024-12-02 06:33:48,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:33:48,641 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;@3c2bd87b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:33:48,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:33:48,649 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) [2024-12-02 06:33:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:33:48,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:48,661 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] [2024-12-02 06:33:48,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:33:48,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:48,666 INFO L85 PathProgramCache]: Analyzing trace with hash -910371414, now seen corresponding path program 1 times [2024-12-02 06:33:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:33:48,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981961764] [2024-12-02 06:33:48,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:48,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:33:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 06:33:57,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:33:57,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981961764] [2024-12-02 06:33:57,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981961764] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:33:57,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408039464] [2024-12-02 06:33:57,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:57,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:33:57,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:33:57,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:33:57,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:34:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:07,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 4640 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:34:07,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:34:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-12-02 06:34:07,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:34:07,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408039464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:07,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:34:07,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:34:07,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229254045] [2024-12-02 06:34:07,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:07,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:34:07,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:07,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:34:07,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:34:07,567 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) [2024-12-02 06:34:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:07,749 INFO L93 Difference]: Finished difference Result 3951 states and 6038 transitions. [2024-12-02 06:34:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:34:07,751 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 [2024-12-02 06:34:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:07,776 INFO L225 Difference]: With dead ends: 3951 [2024-12-02 06:34:07,776 INFO L226 Difference]: Without dead ends: 1961 [2024-12-02 06:34:07,795 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 [2024-12-02 06:34:07,797 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 [2024-12-02 06:34:07,798 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] [2024-12-02 06:34:07,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2024-12-02 06:34:07,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2024-12-02 06:34:07,925 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) [2024-12-02 06:34:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2915 transitions. [2024-12-02 06:34:07,949 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2915 transitions. Word has length 127 [2024-12-02 06:34:07,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:07,950 INFO L471 AbstractCegarLoop]: Abstraction has 1961 states and 2915 transitions. [2024-12-02 06:34:07,950 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) [2024-12-02 06:34:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2915 transitions. [2024-12-02 06:34:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:34:07,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:07,953 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] [2024-12-02 06:34:07,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:34:08,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:34:08,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:34:08,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:08,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1267631456, now seen corresponding path program 1 times [2024-12-02 06:34:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:08,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494508383] [2024-12-02 06:34:08,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:08,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 06:34:17,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:17,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494508383] [2024-12-02 06:34:17,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494508383] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:17,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:17,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:34:17,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540575172] [2024-12-02 06:34:17,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:17,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:34:17,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:17,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:34:17,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:34:17,420 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) [2024-12-02 06:34:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:17,928 INFO L93 Difference]: Finished difference Result 5642 states and 8402 transitions. [2024-12-02 06:34:17,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:34:17,929 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 [2024-12-02 06:34:17,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:17,963 INFO L225 Difference]: With dead ends: 5642 [2024-12-02 06:34:17,963 INFO L226 Difference]: Without dead ends: 3710 [2024-12-02 06:34:17,976 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 [2024-12-02 06:34:17,977 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, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:34:17,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 5786 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:34:17,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2024-12-02 06:34:18,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3705. [2024-12-02 06:34:18,180 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) [2024-12-02 06:34:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 5520 transitions. [2024-12-02 06:34:18,218 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 5520 transitions. Word has length 127 [2024-12-02 06:34:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:18,218 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 5520 transitions. [2024-12-02 06:34:18,219 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) [2024-12-02 06:34:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5520 transitions. [2024-12-02 06:34:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:34:18,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:18,223 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] [2024-12-02 06:34:18,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:34:18,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:34:18,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1994151888, now seen corresponding path program 1 times [2024-12-02 06:34:18,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:18,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890763409] [2024-12-02 06:34:18,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 06:34:26,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:26,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890763409] [2024-12-02 06:34:26,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890763409] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:26,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:26,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:34:26,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948219908] [2024-12-02 06:34:26,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:26,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:34:26,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:26,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:34:26,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:34:26,953 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) [2024-12-02 06:34:27,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:27,649 INFO L93 Difference]: Finished difference Result 10807 states and 16102 transitions. [2024-12-02 06:34:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:34:27,649 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 [2024-12-02 06:34:27,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:27,717 INFO L225 Difference]: With dead ends: 10807 [2024-12-02 06:34:27,717 INFO L226 Difference]: Without dead ends: 7131 [2024-12-02 06:34:27,746 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 [2024-12-02 06:34:27,746 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, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:34:27,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 5770 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:34:27,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7131 states. [2024-12-02 06:34:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7131 to 7128. [2024-12-02 06:34:28,119 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) [2024-12-02 06:34:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 10616 transitions. [2024-12-02 06:34:28,183 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 10616 transitions. Word has length 134 [2024-12-02 06:34:28,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:28,184 INFO L471 AbstractCegarLoop]: Abstraction has 7128 states and 10616 transitions. [2024-12-02 06:34:28,184 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) [2024-12-02 06:34:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 10616 transitions. [2024-12-02 06:34:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 06:34:28,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:28,187 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] [2024-12-02 06:34:28,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:34:28,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:34:28,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:28,188 INFO L85 PathProgramCache]: Analyzing trace with hash -457103506, now seen corresponding path program 1 times [2024-12-02 06:34:28,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:28,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911209804] [2024-12-02 06:34:28,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:28,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 06:34:37,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911209804] [2024-12-02 06:34:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911209804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:37,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:37,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:34:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075295285] [2024-12-02 06:34:37,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:37,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:34:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:37,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:34:37,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:34:37,183 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) [2024-12-02 06:34:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:37,423 INFO L93 Difference]: Finished difference Result 7135 states and 10626 transitions. [2024-12-02 06:34:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:34:37,424 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 [2024-12-02 06:34:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:37,486 INFO L225 Difference]: With dead ends: 7135 [2024-12-02 06:34:37,486 INFO L226 Difference]: Without dead ends: 7132 [2024-12-02 06:34:37,492 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 [2024-12-02 06:34:37,493 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 [2024-12-02 06:34:37,494 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] [2024-12-02 06:34:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2024-12-02 06:34:37,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 7132. [2024-12-02 06:34:37,738 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) [2024-12-02 06:34:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7132 states to 7132 states and 10620 transitions. [2024-12-02 06:34:37,784 INFO L78 Accepts]: Start accepts. Automaton has 7132 states and 10620 transitions. Word has length 136 [2024-12-02 06:34:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:37,785 INFO L471 AbstractCegarLoop]: Abstraction has 7132 states and 10620 transitions. [2024-12-02 06:34:37,785 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) [2024-12-02 06:34:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7132 states and 10620 transitions. [2024-12-02 06:34:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 06:34:37,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:37,789 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] [2024-12-02 06:34:37,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:34:37,789 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:34:37,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:37,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1692681165, now seen corresponding path program 1 times [2024-12-02 06:34:37,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:37,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348000292] [2024-12-02 06:34:37,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-12-02 06:34:46,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:46,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348000292] [2024-12-02 06:34:46,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348000292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:46,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:46,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:34:46,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729766260] [2024-12-02 06:34:46,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:46,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:34:46,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:46,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:34:46,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:34:46,513 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) [2024-12-02 06:34:46,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:46,902 INFO L93 Difference]: Finished difference Result 14202 states and 21454 transitions. [2024-12-02 06:34:46,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:34:46,902 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 [2024-12-02 06:34:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:46,914 INFO L225 Difference]: With dead ends: 14202 [2024-12-02 06:34:46,914 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:34:46,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:34:46,985 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 [2024-12-02 06:34:46,986 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] [2024-12-02 06:34:46,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:34:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:34:46,986 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) [2024-12-02 06:34:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:34:46,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-12-02 06:34:46,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:46,994 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:34:46,994 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) [2024-12-02 06:34:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:34:46,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:34:46,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:34:46,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:34:47,000 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 06:34:47,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:36:44,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:36:44,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:36:44 BoogieIcfgContainer [2024-12-02 06:36:44,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:36:44,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:36:44,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:36:44,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:36:44,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:33:48" (3/4) ... [2024-12-02 06:36:44,937 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:36:44,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_gone_away [2024-12-02 06:36:44,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_config [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_respond_work [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_status_work [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_cancel_work [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_sub [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_requeue_work [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_requeue_work [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_kick_command_queue [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_get [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __alloc_workqueue_key [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure up [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_flush_input_fifo [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_get_kref [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_reg [2024-12-02 06:36:44,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_queue_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_disconnect [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_work_1 [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_respond_queue_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_config [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_pcimem [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_cancel_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_all_1 [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_work_1 [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_completions [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_work_1 [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_timer_key [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_cancel_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cancel_delayed_work [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-12-02 06:36:44,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __might_fault [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_reg [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work_on [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_do_callback [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_requeue_work [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_put [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_45 [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_44 [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_43 [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_command_work [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_put_kref [2024-12-02 06:36:44,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flush_workqueue [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_targets [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_pcimem [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_found_controller [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-12-02 06:36:44,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_setup_controller [2024-12-02 06:36:44,989 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1009 nodes and edges [2024-12-02 06:36:44,994 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2024-12-02 06:36:45,002 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-12-02 06:36:45,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 06:36:45,010 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 06:36:45,014 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 06:36:45,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:36:45,294 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:36:45,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:36:45,295 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:36:45,296 INFO L158 Benchmark]: Toolchain (without parser) took 201298.39ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 106.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 482.5MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,296 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:36:45,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2188.90ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 60.4MB in the end (delta: 45.5MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 260.42ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 60.4MB in the beginning and 231.6MB in the end (delta: -171.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,297 INFO L158 Benchmark]: Boogie Preprocessor took 1086.34ms. Allocated memory is still 318.8MB. Free memory was 231.6MB in the beginning and 136.1MB in the end (delta: 95.4MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,298 INFO L158 Benchmark]: RCFGBuilder took 20977.27ms. Allocated memory was 318.8MB in the beginning and 436.2MB in the end (delta: 117.4MB). Free memory was 136.1MB in the beginning and 250.9MB in the end (delta: -114.8MB). Peak memory consumption was 185.0MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,298 INFO L158 Benchmark]: TraceAbstraction took 176419.34ms. Allocated memory was 436.2MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 250.9MB in the beginning and 1.2GB in the end (delta: -972.8MB). Peak memory consumption was 956.9MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,298 INFO L158 Benchmark]: Witness Printer took 359.98ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 88.6MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-12-02 06:36:45,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.5MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2188.90ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 60.4MB in the end (delta: 45.5MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 260.42ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 60.4MB in the beginning and 231.6MB in the end (delta: -171.2MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1086.34ms. Allocated memory is still 318.8MB. Free memory was 231.6MB in the beginning and 136.1MB in the end (delta: 95.4MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * RCFGBuilder took 20977.27ms. Allocated memory was 318.8MB in the beginning and 436.2MB in the end (delta: 117.4MB). Free memory was 136.1MB in the beginning and 250.9MB in the end (delta: -114.8MB). Peak memory consumption was 185.0MB. Max. memory is 16.1GB. * TraceAbstraction took 176419.34ms. Allocated memory was 436.2MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 250.9MB in the beginning and 1.2GB in the end (delta: -972.8MB). Peak memory consumption was 956.9MB. Max. memory is 16.1GB. * Witness Printer took 359.98ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 88.6MB). Peak memory consumption was 92.3MB. 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: 58.4s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.0s 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! [2024-12-02 06:36:45,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0768c6f6-37f2-47bb-822a-9bd22321a943/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE