./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-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b49ca709258232766b4778a7ea6b41f64667e4b3361eed2c5ff5496eba0f073d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 15:48:58,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:48:58,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:48:58,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:48:58,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:48:58,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:48:58,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:48:58,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:48:58,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:48:58,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:48:58,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:48:58,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:48:58,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:48:58,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:48:58,922 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:48:58,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:48:58,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:48:58,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:48:58,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:48:58,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:48:58,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:48:58,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:48:58,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:48:58,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:48:58,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:48:58,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:48:58,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:48:58,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:48:58,928 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b49ca709258232766b4778a7ea6b41f64667e4b3361eed2c5ff5496eba0f073d [2024-11-22 15:48:59,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:48:59,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:48:59,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:48:59,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:48:59,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:48:59,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-22 15:49:00,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:49:00,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:49:00,783 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-22 15:49:00,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4915d27/623655a2780f4a95b8283ca7c270d26f/FLAGa92cf0d38 [2024-11-22 15:49:00,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4915d27/623655a2780f4a95b8283ca7c270d26f [2024-11-22 15:49:00,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:49:00,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:49:00,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:49:00,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:49:00,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:49:00,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:49:00" (1/1) ... [2024-11-22 15:49:00,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8a7e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:00, skipping insertion in model container [2024-11-22 15:49:00,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:49:00" (1/1) ... [2024-11-22 15:49:00,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:49:02,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2024-11-22 15:49:02,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:49:02,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:49:03,042 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"); [3628-3629] [2024-11-22 15:49:03,047 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"); [3640-3641] [2024-11-22 15:49:03,047 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"); [3644-3645] [2024-11-22 15:49:03,047 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"); [3648-3649] [2024-11-22 15:49:03,048 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"); [3652-3653] [2024-11-22 15:49:03,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2024-11-22 15:49:03,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:49:03,338 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:49:03,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03 WrapperNode [2024-11-22 15:49:03,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:49:03,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:49:03,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:49:03,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:49:03,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:03,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:03,630 INFO L138 Inliner]: procedures = 385, calls = 3055, calls flagged for inlining = 183, calls inlined = 151, statements flattened = 7459 [2024-11-22 15:49:03,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:49:03,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:49:03,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:49:03,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:49:03,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:03,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:03,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,149 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 3, 3, 26, 9, 3, 2, 47, 1035, 3, 7, 3, 34, 2, 2, 3, 3]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 0, 0, 9, 0, 0, 0, 53, 0, 0, 0, 0, 0, 0, 0, 0]. The 655 writes are split as follows [0, 3, 3, 13, 0, 3, 1, 45, 563, 3, 2, 3, 8, 1, 1, 3, 3]. [2024-11-22 15:49:04,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:49:04,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:49:04,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:49:04,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:49:04,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (1/1) ... [2024-11-22 15:49:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:49:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:49:04,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 15:49:04,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 15:49:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-22 15:49:04,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-22 15:49:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 15:49:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 15:49:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-11-22 15:49:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-11-22 15:49:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:49:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:49:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-22 15:49:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-22 15:49:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-11-22 15:49:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-11-22 15:49:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-22 15:49:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-22 15:49:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-11-22 15:49:04,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-11-22 15:49:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-22 15:49:04,436 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-22 15:49:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-11-22 15:49:04,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-11-22 15:49:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ftdi_module_lock [2024-11-22 15:49:04,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ftdi_module_lock [2024-11-22 15:49:04,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:49:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-22 15:49:04,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-22 15:49:04,437 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-22 15:49:04,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-11-22 15:49:04,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-11-22 15:49:04,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-11-22 15:49:04,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:49:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 15:49:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-22 15:49:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-11-22 15:49:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-22 15:49:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:49:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:49:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:49:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:49:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:49:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:49:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:49:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:49:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 15:49:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 15:49:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 15:49:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_89 [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_89 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_88 [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_88 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_87 [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_87 [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-22 15:49:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-22 15:49:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-11-22 15:49:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-11-22 15:49:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-11-22 15:49:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-11-22 15:49:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:49:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-11-22 15:49:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-11-22 15:49:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-22 15:49:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-22 15:49:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2024-11-22 15:49:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2024-11-22 15:49:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:49:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-22 15:49:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-22 15:49:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:49:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:49:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:49:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:49:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:49:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:49:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:49:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:49:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:49:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-22 15:49:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-22 15:49:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-11-22 15:49:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:49:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-22 15:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-11-22 15:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-11-22 15:49:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-22 15:49:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-22 15:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2024-11-22 15:49:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2024-11-22 15:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-22 15:49:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-22 15:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-22 15:49:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-22 15:49:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:49:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:49:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-22 15:49:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-22 15:49:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:49:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:49:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-22 15:49:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-22 15:49:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-11-22 15:49:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-11-22 15:49:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-11-22 15:49:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-22 15:49:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-22 15:49:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 15:49:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-22 15:49:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-22 15:49:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 15:49:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-11-22 15:49:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:49:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-22 15:49:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-22 15:49:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-22 15:49:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-22 15:49:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-11-22 15:49:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-11-22 15:49:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-22 15:49:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-22 15:49:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-22 15:49:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-22 15:49:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-22 15:49:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-22 15:49:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-22 15:49:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-22 15:49:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-22 15:49:04,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-11-22 15:49:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-11-22 15:49:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-22 15:49:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-11-22 15:49:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-22 15:49:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:49:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 15:49:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:49:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-11-22 15:49:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-22 15:49:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-22 15:49:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-22 15:49:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-22 15:49:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-22 15:49:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-22 15:49:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-11-22 15:49:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ftdi_module_lock [2024-11-22 15:49:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ftdi_module_lock [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:49:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 15:49:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 15:49:05,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:49:05,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:49:05,128 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:49:21,116 INFO L? ?]: Removed 2022 outVars from TransFormulas that were not future-live. [2024-11-22 15:49:21,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:49:21,159 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:49:21,160 INFO L316 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-22 15:49:21,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:49:21 BoogieIcfgContainer [2024-11-22 15:49:21,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:49:21,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:49:21,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:49:21,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:49:21,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:49:00" (1/3) ... [2024-11-22 15:49:21,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4092cb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:49:21, skipping insertion in model container [2024-11-22 15:49:21,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:49:03" (2/3) ... [2024-11-22 15:49:21,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4092cb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:49:21, skipping insertion in model container [2024-11-22 15:49:21,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:49:21" (3/3) ... [2024-11-22 15:49:21,168 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-22 15:49:21,182 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:49:21,182 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:49:21,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:49:21,283 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;@e212db5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:49:21,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:49:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 2092 states, 1470 states have (on average 1.407482993197279) internal successors, (2069), 1522 states have internal predecessors, (2069), 531 states have call successors, (531), 90 states have call predecessors, (531), 89 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) [2024-11-22 15:49:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 15:49:21,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:49:21,322 INFO L215 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] [2024-11-22 15:49:21,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:49:21,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:49:21,327 INFO L85 PathProgramCache]: Analyzing trace with hash -835385240, now seen corresponding path program 1 times [2024-11-22 15:49:21,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:49:21,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720422558] [2024-11-22 15:49:21,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:49:21,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:49:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:49:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-22 15:49:28,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:49:28,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720422558] [2024-11-22 15:49:28,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720422558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:49:28,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901973501] [2024-11-22 15:49:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:49:28,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:49:28,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:49:28,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:49:28,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:49:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:49:35,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 4787 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 15:49:35,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:49:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-22 15:49:35,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 15:49:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901973501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:49:35,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 15:49:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 15:49:35,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279457428] [2024-11-22 15:49:35,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:49:35,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 15:49:35,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:49:35,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 15:49:35,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 15:49:35,621 INFO L87 Difference]: Start difference. First operand has 2092 states, 1470 states have (on average 1.407482993197279) internal successors, (2069), 1522 states have internal predecessors, (2069), 531 states have call successors, (531), 90 states have call predecessors, (531), 89 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:49:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:49:35,787 INFO L93 Difference]: Finished difference Result 4179 states and 6477 transitions. [2024-11-22 15:49:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 15:49:35,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2024-11-22 15:49:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:49:35,821 INFO L225 Difference]: With dead ends: 4179 [2024-11-22 15:49:35,821 INFO L226 Difference]: Without dead ends: 2078 [2024-11-22 15:49:35,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 15:49:35,852 INFO L432 NwaCegarLoop]: 3092 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, 3092 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 [2024-11-22 15:49:35,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3092 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:49:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-11-22 15:49:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2078. [2024-11-22 15:49:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1465 states have (on average 1.3883959044368601) internal successors, (2034), 1508 states have internal predecessors, (2034), 524 states have call successors, (524), 89 states have call predecessors, (524), 88 states have return successors, (515), 506 states have call predecessors, (515), 515 states have call successors, (515) [2024-11-22 15:49:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3073 transitions. [2024-11-22 15:49:35,994 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3073 transitions. Word has length 135 [2024-11-22 15:49:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:49:35,995 INFO L471 AbstractCegarLoop]: Abstraction has 2078 states and 3073 transitions. [2024-11-22 15:49:35,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:49:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3073 transitions. [2024-11-22 15:49:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 15:49:35,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:49:36,000 INFO L215 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] [2024-11-22 15:49:36,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 15:49:36,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 15:49:36,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:49:36,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:49:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash 529441310, now seen corresponding path program 1 times [2024-11-22 15:49:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:49:36,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285264807] [2024-11-22 15:49:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:49:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:49:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:49:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 15:49:44,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:49:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285264807] [2024-11-22 15:49:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285264807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:49:44,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:49:44,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:49:44,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107444388] [2024-11-22 15:49:44,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:49:44,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:49:44,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:49:44,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:49:44,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:49:44,211 INFO L87 Difference]: Start difference. First operand 2078 states and 3073 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 15:49:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:49:44,328 INFO L93 Difference]: Finished difference Result 2144 states and 3150 transitions. [2024-11-22 15:49:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:49:44,329 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 135 [2024-11-22 15:49:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:49:44,341 INFO L225 Difference]: With dead ends: 2144 [2024-11-22 15:49:44,341 INFO L226 Difference]: Without dead ends: 2139 [2024-11-22 15:49:44,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:49:44,343 INFO L432 NwaCegarLoop]: 3100 mSDtfsCounter, 2813 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 3386 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:49:44,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 3386 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:49:44,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-11-22 15:49:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2137. [2024-11-22 15:49:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 1508 states have (on average 1.3846153846153846) internal successors, (2088), 1550 states have internal predecessors, (2088), 531 states have call successors, (531), 98 states have call predecessors, (531), 97 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) [2024-11-22 15:49:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3143 transitions. [2024-11-22 15:49:44,420 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3143 transitions. Word has length 135 [2024-11-22 15:49:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:49:44,420 INFO L471 AbstractCegarLoop]: Abstraction has 2137 states and 3143 transitions. [2024-11-22 15:49:44,421 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 15:49:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3143 transitions. [2024-11-22 15:49:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 15:49:44,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:49:44,423 INFO L215 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, 1] [2024-11-22 15:49:44,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:49:44,424 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:49:44,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:49:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1689143798, now seen corresponding path program 1 times [2024-11-22 15:49:44,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:49:44,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795349354] [2024-11-22 15:49:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:49:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:49:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:49:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 15:49:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:49:50,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795349354] [2024-11-22 15:49:50,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795349354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:49:50,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:49:50,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:49:50,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026764457] [2024-11-22 15:49:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:49:50,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:49:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:49:50,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:49:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:49:50,904 INFO L87 Difference]: Start difference. First operand 2137 states and 3143 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:49:51,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:49:51,245 INFO L93 Difference]: Finished difference Result 6159 states and 9072 transitions. [2024-11-22 15:49:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:49:51,246 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-11-22 15:49:51,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:49:51,271 INFO L225 Difference]: With dead ends: 6159 [2024-11-22 15:49:51,271 INFO L226 Difference]: Without dead ends: 4051 [2024-11-22 15:49:51,286 INFO L431 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 [2024-11-22 15:49:51,288 INFO L432 NwaCegarLoop]: 3113 mSDtfsCounter, 2821 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 6089 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 15:49:51,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 6089 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 15:49:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2024-11-22 15:49:51,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 4035. [2024-11-22 15:49:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 2864 states have (on average 1.3928072625698324) internal successors, (3989), 2940 states have internal predecessors, (3989), 983 states have call successors, (983), 188 states have call predecessors, (983), 187 states have return successors, (976), 958 states have call predecessors, (976), 976 states have call successors, (976) [2024-11-22 15:49:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5948 transitions. [2024-11-22 15:49:51,440 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5948 transitions. Word has length 139 [2024-11-22 15:49:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:49:51,441 INFO L471 AbstractCegarLoop]: Abstraction has 4035 states and 5948 transitions. [2024-11-22 15:49:51,441 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:49:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5948 transitions. [2024-11-22 15:49:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 15:49:51,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:49:51,448 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:49:51,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:49:51,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:49:51,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:49:51,449 INFO L85 PathProgramCache]: Analyzing trace with hash 296479412, now seen corresponding path program 1 times [2024-11-22 15:49:51,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:49:51,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145914150] [2024-11-22 15:49:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:49:51,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:49:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:49:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 15:49:58,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:49:58,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145914150] [2024-11-22 15:49:58,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145914150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:49:58,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:49:58,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:49:58,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612026326] [2024-11-22 15:49:58,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:49:58,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:49:58,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:49:58,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:49:58,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:49:58,198 INFO L87 Difference]: Start difference. First operand 4035 states and 5948 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:50:02,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:50:02,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:50:02,842 INFO L93 Difference]: Finished difference Result 4037 states and 5949 transitions. [2024-11-22 15:50:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:50:02,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 147 [2024-11-22 15:50:02,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:50:02,864 INFO L225 Difference]: With dead ends: 4037 [2024-11-22 15:50:02,866 INFO L226 Difference]: Without dead ends: 4034 [2024-11-22 15:50:02,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:50:02,871 INFO L432 NwaCegarLoop]: 3108 mSDtfsCounter, 278 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-22 15:50:02,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 5960 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-22 15:50:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2024-11-22 15:50:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 4034. [2024-11-22 15:50:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4034 states, 2864 states have (on average 1.392108938547486) internal successors, (3987), 2939 states have internal predecessors, (3987), 982 states have call successors, (982), 188 states have call predecessors, (982), 187 states have return successors, (976), 958 states have call predecessors, (976), 976 states have call successors, (976) [2024-11-22 15:50:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 4034 states and 5945 transitions. [2024-11-22 15:50:03,000 INFO L78 Accepts]: Start accepts. Automaton has 4034 states and 5945 transitions. Word has length 147 [2024-11-22 15:50:03,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:50:03,002 INFO L471 AbstractCegarLoop]: Abstraction has 4034 states and 5945 transitions. [2024-11-22 15:50:03,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:50:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4034 states and 5945 transitions. [2024-11-22 15:50:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 15:50:03,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:50:03,007 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:50:03,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:50:03,010 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:50:03,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:50:03,010 INFO L85 PathProgramCache]: Analyzing trace with hash -639699621, now seen corresponding path program 1 times [2024-11-22 15:50:03,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:50:03,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102815389] [2024-11-22 15:50:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:50:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:50:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:50:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-22 15:50:10,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:50:10,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102815389] [2024-11-22 15:50:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102815389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:50:10,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:50:10,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:50:10,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88134566] [2024-11-22 15:50:10,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:50:10,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:50:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:50:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:50:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:50:10,579 INFO L87 Difference]: Start difference. First operand 4034 states and 5945 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:50:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:50:10,723 INFO L93 Difference]: Finished difference Result 4044 states and 5951 transitions. [2024-11-22 15:50:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:50:10,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 158 [2024-11-22 15:50:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:50:10,745 INFO L225 Difference]: With dead ends: 4044 [2024-11-22 15:50:10,745 INFO L226 Difference]: Without dead ends: 4040 [2024-11-22 15:50:10,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:50:10,749 INFO L432 NwaCegarLoop]: 3061 mSDtfsCounter, 2980 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:50:10,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 3085 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:50:10,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2024-11-22 15:50:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 4038. [2024-11-22 15:50:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4038 states, 2868 states have (on average 1.3905160390516038) internal successors, (3988), 2941 states have internal predecessors, (3988), 980 states have call successors, (980), 190 states have call predecessors, (980), 189 states have return successors, (976), 958 states have call predecessors, (976), 976 states have call successors, (976) [2024-11-22 15:50:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 5944 transitions. [2024-11-22 15:50:10,895 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 5944 transitions. Word has length 158 [2024-11-22 15:50:10,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:50:10,895 INFO L471 AbstractCegarLoop]: Abstraction has 4038 states and 5944 transitions. [2024-11-22 15:50:10,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 15:50:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 5944 transitions. [2024-11-22 15:50:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 15:50:10,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:50:10,903 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:50:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 15:50:10,903 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:50:10,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:50:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1775331885, now seen corresponding path program 1 times [2024-11-22 15:50:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:50:10,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596608678] [2024-11-22 15:50:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:50:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:50:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:50:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-22 15:50:17,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:50:17,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596608678] [2024-11-22 15:50:17,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596608678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:50:17,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:50:17,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:50:17,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526481881] [2024-11-22 15:50:17,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:50:17,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:50:17,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:50:17,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:50:17,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:50:17,160 INFO L87 Difference]: Start difference. First operand 4038 states and 5944 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:50:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:50:17,271 INFO L93 Difference]: Finished difference Result 4040 states and 5945 transitions. [2024-11-22 15:50:17,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:50:17,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 163 [2024-11-22 15:50:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:50:17,292 INFO L225 Difference]: With dead ends: 4040 [2024-11-22 15:50:17,292 INFO L226 Difference]: Without dead ends: 4037 [2024-11-22 15:50:17,296 INFO L431 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 [2024-11-22 15:50:17,297 INFO L432 NwaCegarLoop]: 3059 mSDtfsCounter, 3011 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:50:17,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 3059 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:50:17,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4037 states. [2024-11-22 15:50:17,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4037 to 4037. [2024-11-22 15:50:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4037 states, 2868 states have (on average 1.3901673640167365) internal successors, (3987), 2940 states have internal predecessors, (3987), 979 states have call successors, (979), 190 states have call predecessors, (979), 189 states have return successors, (976), 958 states have call predecessors, (976), 976 states have call successors, (976) [2024-11-22 15:50:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 4037 states and 5942 transitions. [2024-11-22 15:50:17,453 INFO L78 Accepts]: Start accepts. Automaton has 4037 states and 5942 transitions. Word has length 163 [2024-11-22 15:50:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:50:17,454 INFO L471 AbstractCegarLoop]: Abstraction has 4037 states and 5942 transitions. [2024-11-22 15:50:17,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:50:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4037 states and 5942 transitions. [2024-11-22 15:50:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 15:50:17,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:50:17,460 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:50:17,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 15:50:17,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:50:17,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:50:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 798514709, now seen corresponding path program 1 times [2024-11-22 15:50:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:50:17,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745450725] [2024-11-22 15:50:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:50:17,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:50:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:50:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-22 15:50:23,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:50:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745450725] [2024-11-22 15:50:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745450725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:50:23,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:50:23,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:50:23,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957854380] [2024-11-22 15:50:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:50:23,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:50:23,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:50:23,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:50:23,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:50:23,746 INFO L87 Difference]: Start difference. First operand 4037 states and 5942 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:50:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:50:23,852 INFO L93 Difference]: Finished difference Result 4039 states and 5943 transitions. [2024-11-22 15:50:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:50:23,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 164 [2024-11-22 15:50:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:50:23,880 INFO L225 Difference]: With dead ends: 4039 [2024-11-22 15:50:23,880 INFO L226 Difference]: Without dead ends: 4036 [2024-11-22 15:50:23,889 INFO L431 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 [2024-11-22 15:50:23,890 INFO L432 NwaCegarLoop]: 3057 mSDtfsCounter, 3008 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:50:23,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3008 Valid, 3057 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:50:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4036 states. [2024-11-22 15:50:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4036 to 4036. [2024-11-22 15:50:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4036 states, 2868 states have (on average 1.3898186889818689) internal successors, (3986), 2939 states have internal predecessors, (3986), 978 states have call successors, (978), 190 states have call predecessors, (978), 189 states have return successors, (976), 958 states have call predecessors, (976), 976 states have call successors, (976) [2024-11-22 15:50:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 4036 states and 5940 transitions. [2024-11-22 15:50:24,051 INFO L78 Accepts]: Start accepts. Automaton has 4036 states and 5940 transitions. Word has length 164 [2024-11-22 15:50:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:50:24,052 INFO L471 AbstractCegarLoop]: Abstraction has 4036 states and 5940 transitions. [2024-11-22 15:50:24,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 15:50:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 5940 transitions. [2024-11-22 15:50:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 15:50:24,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:50:24,062 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:50:24,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:50:24,062 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:50:24,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:50:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1016614634, now seen corresponding path program 1 times [2024-11-22 15:50:24,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:50:24,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437742848] [2024-11-22 15:50:24,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:50:24,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:50:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat