./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_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/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_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:26:33,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:26:33,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:26:33,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:26:33,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:26:33,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:26:33,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:26:33,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:26:33,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:26:33,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:26:33,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:26:33,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:26:33,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:26:33,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:26:33,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:26:33,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:26:33,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:26:33,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:26:33,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:26:33,346 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:26:33,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:26:33,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:26:33,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:26:33,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:33,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:26:33,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:26:33,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:26:33,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:26:33,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:33,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:26:33,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:26:33,348 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:26:33,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:26:33,350 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_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 [2024-11-28 03:26:33,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:26:33,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:26:33,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:26:33,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:26:33,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:26:33,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-28 03:26:37,008 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/data/c794a820c/c2a8db44114e447ea91b73fc458e8b86/FLAG10da231cf [2024-11-28 03:26:37,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:26:37,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-28 03:26:37,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/data/c794a820c/c2a8db44114e447ea91b73fc458e8b86/FLAG10da231cf [2024-11-28 03:26:37,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/data/c794a820c/c2a8db44114e447ea91b73fc458e8b86 [2024-11-28 03:26:37,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:26:37,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:26:37,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:37,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:26:37,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:26:37,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:37" (1/1) ... [2024-11-28 03:26:37,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73006e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:37, skipping insertion in model container [2024-11-28 03:26:37,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:37" (1/1) ... [2024-11-28 03:26:38,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:26:40,018 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_643e7cd4-32bf-4d24-8157-edceed4d75e7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-28 03:26:40,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:40,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:26:40,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3725-3726] [2024-11-28 03:26:40,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3737-3738] [2024-11-28 03:26:40,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3741-3742] [2024-11-28 03:26:40,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3745-3746] [2024-11-28 03:26:40,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3749-3750] [2024-11-28 03:26:40,640 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_643e7cd4-32bf-4d24-8157-edceed4d75e7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-28 03:26:40,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:26:40,770 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:26:40,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40 WrapperNode [2024-11-28 03:26:40,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:26:40,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:40,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:26:40,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:26:40,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:40,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:41,254 INFO L138 Inliner]: procedures = 268, calls = 2838, calls flagged for inlining = 123, calls inlined = 114, statements flattened = 6784 [2024-11-28 03:26:41,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:26:41,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:26:41,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:26:41,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:26:41,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:41,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:41,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,411 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 3, 1035, 3, 3, 34, 3, 2, 7, 47, 2, 3, 2, 3, 3, 26, 9]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 53, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9]. The 655 writes are split as follows [0, 3, 563, 3, 3, 8, 3, 1, 2, 45, 1, 3, 1, 3, 3, 13, 0]. [2024-11-28 03:26:42,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:26:42,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:26:42,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:26:42,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:26:42,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (1/1) ... [2024-11-28 03:26:42,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:26:42,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:42,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:26:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:26:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-28 03:26:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-28 03:26:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-28 03:26:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-28 03:26:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-28 03:26:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-28 03:26:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-11-28 03:26:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-11-28 03:26:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:26:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:26:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:26:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:26:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:26:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:26:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:26:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:26:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:26:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:26:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:26:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:26:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:26:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:26:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:26:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:26:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-11-28 03:26:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-11-28 03:26:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:26:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:26:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-28 03:26:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-28 03:26:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-11-28 03:26:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-11-28 03:26:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-28 03:26:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-28 03:26:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-28 03:26:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-28 03:26:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-11-28 03:26:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-11-28 03:26:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-11-28 03:26:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-11-28 03:26:42,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:26:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 03:26:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 03:26:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-28 03:26:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-28 03:26:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-28 03:26:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-11-28 03:26:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:26:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:26:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:26:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:26:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:26:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:26:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:26:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:26:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-28 03:26:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-28 03:26:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-28 03:26:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-28 03:26:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-11-28 03:26:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-28 03:26:42,887 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:26:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:26:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:26:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:26:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:26:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:26:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:26:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:26:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:26:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-11-28 03:26:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-11-28 03:26:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:26:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:26:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:26:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:26:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-28 03:26:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-28 03:26:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 03:26:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 03:26:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 03:26:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2024-11-28 03:26:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-28 03:26:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-11-28 03:26:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:26:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:26:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:26:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:26:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:26:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:26:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:26:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:26:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:26:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:26:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:26:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-11-28 03:26:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-11-28 03:26:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-28 03:26:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-28 03:26:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-28 03:26:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-28 03:26:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-28 03:26:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-28 03:26:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:26:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:26:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:26:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:26:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:26:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:26:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:26:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:26:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:26:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:26:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-28 03:26:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-11-28 03:26:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-11-28 03:26:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-11-28 03:26:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-11-28 03:26:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-11-28 03:26:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-28 03:26:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 03:26:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-11-28 03:26:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-28 03:26:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:26:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-11-28 03:26:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-11-28 03:26:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-11-28 03:26:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 03:26:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-28 03:26:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-28 03:26:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:26:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:26:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:26:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:26:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:26:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:26:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-28 03:26:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 03:26:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-28 03:26:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-11-28 03:26:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-11-28 03:26:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:26:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:26:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:26:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:26:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:26:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:26:44,174 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:26:44,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:26:44,312 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:27:09,025 INFO L? ?]: Removed 1985 outVars from TransFormulas that were not future-live. [2024-11-28 03:27:09,026 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:27:09,068 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:27:09,068 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-28 03:27:09,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:09 BoogieIcfgContainer [2024-11-28 03:27:09,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:27:09,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:27:09,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:27:09,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:27:09,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:26:37" (1/3) ... [2024-11-28 03:27:09,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c6c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:09, skipping insertion in model container [2024-11-28 03:27:09,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:40" (2/3) ... [2024-11-28 03:27:09,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c6c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:09, skipping insertion in model container [2024-11-28 03:27:09,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:09" (3/3) ... [2024-11-28 03:27:09,078 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-28 03:27:09,097 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:27:09,100 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i that has 85 procedures, 1979 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2024-11-28 03:27:09,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:27:09,219 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;@6e721e46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:27:09,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:27:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) [2024-11-28 03:27:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 03:27:09,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:09,242 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:09,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:09,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:09,247 INFO L85 PathProgramCache]: Analyzing trace with hash -910371414, now seen corresponding path program 1 times [2024-11-28 03:27:09,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:09,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939868908] [2024-11-28 03:27:09,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:09,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-28 03:27:21,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:21,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939868908] [2024-11-28 03:27:21,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939868908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:27:21,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125550374] [2024-11-28 03:27:21,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:21,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:21,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:21,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:27:21,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:27:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:32,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 4640 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:27:32,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-28 03:27:32,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:32,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125550374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:32,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:27:32,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:27:32,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124064850] [2024-11-28 03:27:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:32,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:27:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:32,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:27:32,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:27:32,482 INFO L87 Difference]: Start difference. First operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:27:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:32,787 INFO L93 Difference]: Finished difference Result 3951 states and 6038 transitions. [2024-11-28 03:27:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:27:32,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-28 03:27:32,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:32,824 INFO L225 Difference]: With dead ends: 3951 [2024-11-28 03:27:32,824 INFO L226 Difference]: Without dead ends: 1961 [2024-11-28 03:27:32,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:27:32,862 INFO L435 NwaCegarLoop]: 2938 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:32,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:27:32,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2024-11-28 03:27:33,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2024-11-28 03:27:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1402 states have (on average 1.4015691868758915) internal successors, (1965), 1447 states have internal predecessors, (1965), 476 states have call successors, (476), 83 states have call predecessors, (476), 82 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-28 03:27:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2915 transitions. [2024-11-28 03:27:33,185 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2915 transitions. Word has length 127 [2024-11-28 03:27:33,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:33,186 INFO L471 AbstractCegarLoop]: Abstraction has 1961 states and 2915 transitions. [2024-11-28 03:27:33,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:27:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2915 transitions. [2024-11-28 03:27:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 03:27:33,192 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:33,193 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:33,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:27:33,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:33,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:33,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1267631456, now seen corresponding path program 1 times [2024-11-28 03:27:33,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:33,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358500421] [2024-11-28 03:27:33,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-28 03:27:43,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:43,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358500421] [2024-11-28 03:27:43,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358500421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:43,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:43,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115119533] [2024-11-28 03:27:43,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:43,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:43,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:43,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:43,163 INFO L87 Difference]: Start difference. First operand 1961 states and 2915 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:27:43,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:43,718 INFO L93 Difference]: Finished difference Result 5642 states and 8402 transitions. [2024-11-28 03:27:43,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:43,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 127 [2024-11-28 03:27:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:43,760 INFO L225 Difference]: With dead ends: 5642 [2024-11-28 03:27:43,760 INFO L226 Difference]: Without dead ends: 3710 [2024-11-28 03:27:43,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:43,780 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:43,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 5786 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:27:43,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2024-11-28 03:27:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3705. [2024-11-28 03:27:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2667 states have (on average 1.4105736782902136) internal successors, (3762), 2754 states have internal predecessors, (3762), 880 states have call successors, (880), 158 states have call predecessors, (880), 157 states have return successors, (878), 850 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-28 03:27:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 5520 transitions. [2024-11-28 03:27:44,078 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 5520 transitions. Word has length 127 [2024-11-28 03:27:44,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:44,080 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 5520 transitions. [2024-11-28 03:27:44,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:27:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5520 transitions. [2024-11-28 03:27:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:27:44,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:44,089 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:44,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:27:44,090 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:44,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1994151888, now seen corresponding path program 1 times [2024-11-28 03:27:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:44,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901217439] [2024-11-28 03:27:44,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-28 03:27:53,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:53,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901217439] [2024-11-28 03:27:53,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901217439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:53,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:53,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:53,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629842225] [2024-11-28 03:27:53,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:53,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:53,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:53,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:53,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:53,381 INFO L87 Difference]: Start difference. First operand 3705 states and 5520 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:27:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:54,158 INFO L93 Difference]: Finished difference Result 10807 states and 16102 transitions. [2024-11-28 03:27:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:54,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 134 [2024-11-28 03:27:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:54,227 INFO L225 Difference]: With dead ends: 10807 [2024-11-28 03:27:54,227 INFO L226 Difference]: Without dead ends: 7131 [2024-11-28 03:27:54,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:54,263 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 [2024-11-28 03:27:54,264 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] [2024-11-28 03:27:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7131 states. [2024-11-28 03:27:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7131 to 7128. [2024-11-28 03:27:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 5122 states have (on average 1.41097227645451) internal successors, (7227), 5290 states have internal predecessors, (7227), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-28 03:27:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 10616 transitions. [2024-11-28 03:27:54,781 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 10616 transitions. Word has length 134 [2024-11-28 03:27:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:54,782 INFO L471 AbstractCegarLoop]: Abstraction has 7128 states and 10616 transitions. [2024-11-28 03:27:54,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:27:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 10616 transitions. [2024-11-28 03:27:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:27:54,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:54,787 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:54,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:27:54,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:54,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:54,789 INFO L85 PathProgramCache]: Analyzing trace with hash -457103506, now seen corresponding path program 1 times [2024-11-28 03:27:54,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:54,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956218976] [2024-11-28 03:27:54,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-28 03:28:04,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:04,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956218976] [2024-11-28 03:28:04,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956218976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:04,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:04,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:28:04,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302917587] [2024-11-28 03:28:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:04,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:28:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:04,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:28:04,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:04,720 INFO L87 Difference]: Start difference. First operand 7128 states and 10616 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:28:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:05,012 INFO L93 Difference]: Finished difference Result 7135 states and 10626 transitions. [2024-11-28 03:28:05,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:28:05,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2024-11-28 03:28:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:05,070 INFO L225 Difference]: With dead ends: 7135 [2024-11-28 03:28:05,070 INFO L226 Difference]: Without dead ends: 7132 [2024-11-28 03:28:05,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:28:05,079 INFO L435 NwaCegarLoop]: 2914 mSDtfsCounter, 0 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5823 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:05,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5823 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:28:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2024-11-28 03:28:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 7132. [2024-11-28 03:28:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7132 states, 5126 states have (on average 1.4106515801794772) internal successors, (7231), 5294 states have internal predecessors, (7231), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-28 03:28:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7132 states to 7132 states and 10620 transitions. [2024-11-28 03:28:05,578 INFO L78 Accepts]: Start accepts. Automaton has 7132 states and 10620 transitions. Word has length 136 [2024-11-28 03:28:05,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:05,580 INFO L471 AbstractCegarLoop]: Abstraction has 7132 states and 10620 transitions. [2024-11-28 03:28:05,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:28:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7132 states and 10620 transitions. [2024-11-28 03:28:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:28:05,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:05,585 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:05,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:28:05,586 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:05,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:05,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1692681165, now seen corresponding path program 1 times [2024-11-28 03:28:05,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:28:05,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610366340] [2024-11-28 03:28:05,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:28:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-28 03:28:14,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:28:14,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610366340] [2024-11-28 03:28:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610366340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:14,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:14,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:28:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437015194] [2024-11-28 03:28:14,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:14,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:28:14,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:28:14,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:28:14,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:28:14,831 INFO L87 Difference]: Start difference. First operand 7132 states and 10620 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:28:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:15,276 INFO L93 Difference]: Finished difference Result 14202 states and 21454 transitions. [2024-11-28 03:28:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:28:15,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 138 [2024-11-28 03:28:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:15,287 INFO L225 Difference]: With dead ends: 14202 [2024-11-28 03:28:15,288 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:28:15,374 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 [2024-11-28 03:28:15,376 INFO L435 NwaCegarLoop]: 2902 mSDtfsCounter, 2865 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:15,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2865 Valid, 5804 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:28:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:28:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:28:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:28:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:28:15,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-11-28 03:28:15,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:15,386 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:28:15,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:28:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:28:15,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:28:15,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:28:15,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:28:15,394 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 03:28:15,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:30:24,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:24,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:24 BoogieIcfgContainer [2024-11-28 03:30:24,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:24,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:24,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:24,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:24,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:09" (3/4) ... [2024-11-28 03:30:24,978 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:30:24,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_gone_away [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_config [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_respond_work [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_status_work [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_cancel_work [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_sub [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_response_requeue_work [2024-11-28 03:30:24,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_requeue_work [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_kick_command_queue [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_get [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __alloc_workqueue_key [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure up [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_flush_input_fifo [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_get_kref [2024-11-28 03:30:24,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_reg [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_queue_work [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_disconnect [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_work_1 [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_respond_queue_work [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_maxp [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_config [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_read_pcimem [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_status_cancel_work [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_all_1 [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_work_1 [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_completions [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_work_1 [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_timer_key [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_cancel_work [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-11-28 03:30:24,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cancel_delayed_work [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __might_fault [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_reg [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work_on [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_do_callback [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_command_requeue_work [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_put [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_45 [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_44 [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_flush_workqueue_43 [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-11-28 03:30:24,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_command_work [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_put_kref [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flush_workqueue [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_abandon_targets [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_write_pcimem [2024-11-28 03:30:24,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_found_controller [2024-11-28 03:30:24,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-28 03:30:24,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-28 03:30:24,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ftdi_elan_setup_controller [2024-11-28 03:30:25,090 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1009 nodes and edges [2024-11-28 03:30:25,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2024-11-28 03:30:25,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-11-28 03:30:25,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 03:30:25,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:30:25,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:30:25,142 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:30:26,009 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:30:26,009 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:30:26,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:26,010 INFO L158 Benchmark]: Toolchain (without parser) took 228080.95ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 89.0MB in the beginning and 345.7MB in the end (delta: -256.7MB). Peak memory consumption was 469.7MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,011 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:26,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2841.63ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 88.7MB in the beginning and 230.2MB in the end (delta: -141.6MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 481.89ms. Allocated memory is still 352.3MB. Free memory was 230.2MB in the beginning and 263.7MB in the end (delta: -33.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,012 INFO L158 Benchmark]: Boogie Preprocessor took 1519.32ms. Allocated memory is still 352.3MB. Free memory was 263.7MB in the beginning and 204.4MB in the end (delta: 59.4MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,012 INFO L158 Benchmark]: RCFGBuilder took 26292.12ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 204.4MB in the beginning and 370.9MB in the end (delta: -166.5MB). Peak memory consumption was 336.3MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,013 INFO L158 Benchmark]: TraceAbstraction took 195901.89ms. Allocated memory is still 620.8MB. Free memory was 370.9MB in the beginning and 123.8MB in the end (delta: 247.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-28 03:30:26,013 INFO L158 Benchmark]: Witness Printer took 1036.02ms. Allocated memory was 620.8MB in the beginning and 587.2MB in the end (delta: -33.6MB). Free memory was 123.8MB in the beginning and 345.7MB in the end (delta: -221.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:26,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2841.63ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 88.7MB in the beginning and 230.2MB in the end (delta: -141.6MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 481.89ms. Allocated memory is still 352.3MB. Free memory was 230.2MB in the beginning and 263.7MB in the end (delta: -33.5MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1519.32ms. Allocated memory is still 352.3MB. Free memory was 263.7MB in the beginning and 204.4MB in the end (delta: 59.4MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. * RCFGBuilder took 26292.12ms. Allocated memory was 352.3MB in the beginning and 620.8MB in the end (delta: 268.4MB). Free memory was 204.4MB in the beginning and 370.9MB in the end (delta: -166.5MB). Peak memory consumption was 336.3MB. Max. memory is 16.1GB. * TraceAbstraction took 195901.89ms. Allocated memory is still 620.8MB. Free memory was 370.9MB in the beginning and 123.8MB in the end (delta: 247.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 1036.02ms. Allocated memory was 620.8MB in the beginning and 587.2MB in the end (delta: -33.6MB). Free memory was 123.8MB in the beginning and 345.7MB in the end (delta: -221.9MB). Peak memory consumption was 25.2MB. 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: 66.2s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8257 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8257 mSDsluCounter, 26121 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11493 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14628 mSDtfsCounter, 40 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 789 NumberOfCodeBlocks, 789 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4640 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1000/1020 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7493]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5458]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 6893]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 6618]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 8099]: Location Invariant Derived location invariant: ((ldv_state_variable_4 == 0) && (ldv_spin == 0)) - InvariantResult [Line: 7263]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5455]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5609]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 6888]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5593]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7053]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4989]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5690]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 7196]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 5590]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5228]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4984]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4497]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 5225]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 7058]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 6623]: Loop Invariant Derived loop invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:30:26,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643e7cd4-32bf-4d24-8157-edceed4d75e7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE