./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-3061b6d-m [2024-11-19 03:49:53,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:49:53,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:49:53,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:49:53,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:49:53,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:49:53,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:49:53,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:49:53,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:49:53,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:49:53,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:49:53,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:49:53,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:49:53,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:49:53,704 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:49:53,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:49:53,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:49:53,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:49:53,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:49:53,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:49:53,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:49:53,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:49:53,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:49:53,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:49:53,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:49:53,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:49:53,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:49:53,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:49:53,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:49:53,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:49:53,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:49:53,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:49:53,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:49:53,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:49:53,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:49:53,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:49:53,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:49:53,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:49:53,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:49:53,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b49ca709258232766b4778a7ea6b41f64667e4b3361eed2c5ff5496eba0f073d [2024-11-19 03:49:54,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:49:54,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:49:54,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:49:54,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:49:54,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:49:54,067 INFO L431 ainManager$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 [2024-11-19 03:49:55,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:49:56,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:49:56,192 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 [2024-11-19 03:49:56,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04c3f5e1/7e9515d43a304a6ca4b0ef0122c47772/FLAG75658e1f3 [2024-11-19 03:49:56,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04c3f5e1/7e9515d43a304a6ca4b0ef0122c47772 [2024-11-19 03:49:56,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:49:56,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:49:56,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:49:56,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:49:56,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:49:56,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:49:56" (1/1) ... [2024-11-19 03:49:56,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a68b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:56, skipping insertion in model container [2024-11-19 03:49:56,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:49:56" (1/1) ... [2024-11-19 03:49:56,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:49:58,956 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] [2024-11-19 03:49:59,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:49:59,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:49:59,432 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] [2024-11-19 03:49:59,435 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] [2024-11-19 03:49:59,436 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] [2024-11-19 03:49:59,436 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] [2024-11-19 03:49:59,436 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] [2024-11-19 03:49:59,711 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] [2024-11-19 03:49:59,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:49:59,845 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:49:59,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59 WrapperNode [2024-11-19 03:49:59,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:49:59,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:49:59,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:49:59,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:49:59,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:49:59,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:00,246 INFO L138 Inliner]: procedures = 385, calls = 3055, calls flagged for inlining = 183, calls inlined = 151, statements flattened = 7459 [2024-11-19 03:50:00,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:50:00,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:50:00,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:50:00,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:50:00,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:00,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:00,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,045 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 3, 3, 3, 7, 2, 3, 2, 1035, 34, 47, 9, 2, 26, 3, 3, 3]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 53, 0, 0, 9, 0, 0, 0, 0, 0]. The 655 writes are split as follows [0, 3, 3, 3, 2, 1, 3, 1, 563, 8, 45, 0, 1, 13, 3, 3, 3]. [2024-11-19 03:50:01,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:50:01,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:50:01,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:50:01,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:50:01,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (1/1) ... [2024-11-19 03:50:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:50:01,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:50:01,328 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) [2024-11-19 03:50:01,330 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 [2024-11-19 03:50:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-19 03:50:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-19 03:50:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:50:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:50:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-11-19 03:50:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-11-19 03:50:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:50:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:50:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-19 03:50:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-19 03:50:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-11-19 03:50:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-11-19 03:50:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-19 03:50:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-19 03:50:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-11-19 03:50:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-11-19 03:50:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-19 03:50:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-19 03:50:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-11-19 03:50:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-11-19 03:50:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ftdi_module_lock [2024-11-19 03:50:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ftdi_module_lock [2024-11-19 03:50:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:50:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-19 03:50:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-19 03:50:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:50:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:50:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-11-19 03:50:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-11-19 03:50:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-11-19 03:50:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-11-19 03:50:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-11-19 03:50:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-11-19 03:50:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:50:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:50:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:50:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-11-19 03:50:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-19 03:50:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:50:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:50:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-11-19 03:50:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-11-19 03:50:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-11-19 03:50:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-11-19 03:50:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-19 03:50:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-19 03:50:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_89 [2024-11-19 03:50:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_89 [2024-11-19 03:50:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_88 [2024-11-19 03:50:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_88 [2024-11-19 03:50:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_87 [2024-11-19 03:50:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_87 [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:50:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-11-19 03:50:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-11-19 03:50:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-11-19 03:50:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-11-19 03:50:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-19 03:50:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2024-11-19 03:50:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-19 03:50:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:50:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:50:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-11-19 03:50:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-11-19 03:50:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:50:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:50:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-11-19 03:50:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-11-19 03:50:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-19 03:50:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-19 03:50:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-11-19 03:50:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-11-19 03:50:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-19 03:50:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-19 03:50:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-19 03:50:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-19 03:50:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-11-19 03:50:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-11-19 03:50:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:50:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:50:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-19 03:50:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-19 03:50:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-19 03:50:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-19 03:50:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-19 03:50:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-19 03:50:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-11-19 03:50:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:50:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:50:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:50:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-19 03:50:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-19 03:50:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-11-19 03:50:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-11-19 03:50:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-19 03:50:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-19 03:50:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2024-11-19 03:50:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2024-11-19 03:50:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:50:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:50:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-11-19 03:50:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-11-19 03:50:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:50:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-19 03:50:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:50:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:50:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:50:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:50:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-19 03:50:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-19 03:50:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-19 03:50:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:50:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:50:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-11-19 03:50:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-11-19 03:50:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:50:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:50:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-11-19 03:50:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-11-19 03:50:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-11-19 03:50:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-11-19 03:50:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-11-19 03:50:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-19 03:50:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-19 03:50:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-19 03:50:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-19 03:50:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-19 03:50:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-19 03:50:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-11-19 03:50:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-11-19 03:50:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-11-19 03:50:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 03:50:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-11-19 03:50:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-19 03:50:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:50:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:50:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-11-19 03:50:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-11-19 03:50:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ftdi_module_lock [2024-11-19 03:50:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ftdi_module_lock [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:50:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:50:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:50:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:50:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:50:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:50:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:50:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:50:02,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:50:02,205 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:50:02,295 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:50:20,561 INFO L? ?]: Removed 2022 outVars from TransFormulas that were not future-live. [2024-11-19 03:50:20,562 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:50:20,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:50:20,631 INFO L316 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-19 03:50:20,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:50:20 BoogieIcfgContainer [2024-11-19 03:50:20,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:50:20,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:50:20,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:50:20,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:50:20,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:49:56" (1/3) ... [2024-11-19 03:50:20,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52070ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:50:20, skipping insertion in model container [2024-11-19 03:50:20,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:49:59" (2/3) ... [2024-11-19 03:50:20,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52070ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:50:20, skipping insertion in model container [2024-11-19 03:50:20,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:50:20" (3/3) ... [2024-11-19 03:50:20,643 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-19 03:50:20,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:50:20,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:50:20,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:50:20,812 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;@5102b27d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:50:20,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:50:20,828 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) [2024-11-19 03:50:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 03:50:20,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:50:20,857 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] [2024-11-19 03:50:20,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:50:20,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:50:20,865 INFO L85 PathProgramCache]: Analyzing trace with hash -835385240, now seen corresponding path program 1 times [2024-11-19 03:50:20,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:50:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896908705] [2024-11-19 03:50:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:50:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:50:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:50:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-19 03:50:29,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:50:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896908705] [2024-11-19 03:50:29,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896908705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:50:29,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344892822] [2024-11-19 03:50:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:50:29,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:50:29,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:50:29,800 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) [2024-11-19 03:50:29,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:50:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:50:37,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 4787 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:50:37,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:50:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-19 03:50:37,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:50:37,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344892822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:50:37,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:50:37,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:50:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192915011] [2024-11-19 03:50:37,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:50:37,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:50:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:50:37,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:50:37,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:50:37,546 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) [2024-11-19 03:50:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:50:37,789 INFO L93 Difference]: Finished difference Result 4179 states and 6477 transitions. [2024-11-19 03:50:37,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:50:37,792 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 [2024-11-19 03:50:37,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:50:37,831 INFO L225 Difference]: With dead ends: 4179 [2024-11-19 03:50:37,832 INFO L226 Difference]: Without dead ends: 2078 [2024-11-19 03:50:37,866 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 [2024-11-19 03:50:37,869 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 [2024-11-19 03:50:37,870 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] [2024-11-19 03:50:37,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-11-19 03:50:38,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2078. [2024-11-19 03:50:38,059 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) [2024-11-19 03:50:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 3073 transitions. [2024-11-19 03:50:38,086 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 3073 transitions. Word has length 135 [2024-11-19 03:50:38,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:50:38,087 INFO L471 AbstractCegarLoop]: Abstraction has 2078 states and 3073 transitions. [2024-11-19 03:50:38,088 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) [2024-11-19 03:50:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 3073 transitions. [2024-11-19 03:50:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 03:50:38,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:50:38,094 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] [2024-11-19 03:50:38,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:50:38,295 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 [2024-11-19 03:50:38,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:50:38,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:50:38,296 INFO L85 PathProgramCache]: Analyzing trace with hash 529441310, now seen corresponding path program 1 times [2024-11-19 03:50:38,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:50:38,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390377104] [2024-11-19 03:50:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:50:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:50:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:50:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-19 03:50:46,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:50:46,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390377104] [2024-11-19 03:50:46,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390377104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:50:46,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:50:46,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:50:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597988006] [2024-11-19 03:50:46,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:50:46,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:50:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:50:46,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:50:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:50:46,906 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) [2024-11-19 03:50:47,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:50:47,045 INFO L93 Difference]: Finished difference Result 2144 states and 3150 transitions. [2024-11-19 03:50:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:50:47,046 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 [2024-11-19 03:50:47,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:50:47,065 INFO L225 Difference]: With dead ends: 2144 [2024-11-19 03:50:47,066 INFO L226 Difference]: Without dead ends: 2139 [2024-11-19 03:50:47,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:50:47,070 INFO L432 NwaCegarLoop]: 3100 mSDtfsCounter, 2813 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:50:47,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 3386 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:50:47,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-11-19 03:50:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2137. [2024-11-19 03:50:47,138 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) [2024-11-19 03:50:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 3143 transitions. [2024-11-19 03:50:47,158 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 3143 transitions. Word has length 135 [2024-11-19 03:50:47,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:50:47,159 INFO L471 AbstractCegarLoop]: Abstraction has 2137 states and 3143 transitions. [2024-11-19 03:50:47,159 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) [2024-11-19 03:50:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 3143 transitions. [2024-11-19 03:50:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 03:50:47,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:50:47,165 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] [2024-11-19 03:50:47,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:50:47,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:50:47,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:50:47,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1689143798, now seen corresponding path program 1 times [2024-11-19 03:50:47,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:50:47,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657754491] [2024-11-19 03:50:47,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:50:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:50:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:50:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-19 03:50:54,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:50:54,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657754491] [2024-11-19 03:50:54,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657754491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:50:54,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:50:54,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:50:54,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569168988] [2024-11-19 03:50:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:50:54,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:50:54,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:50:54,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:50:54,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:50:54,145 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) [2024-11-19 03:50:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:50:54,566 INFO L93 Difference]: Finished difference Result 6159 states and 9072 transitions. [2024-11-19 03:50:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:50:54,567 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 [2024-11-19 03:50:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:50:54,601 INFO L225 Difference]: With dead ends: 6159 [2024-11-19 03:50:54,602 INFO L226 Difference]: Without dead ends: 4051 [2024-11-19 03:50:54,620 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 [2024-11-19 03:50:54,622 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 [2024-11-19 03:50:54,623 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] [2024-11-19 03:50:54,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2024-11-19 03:50:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 4035. [2024-11-19 03:50:54,808 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) [2024-11-19 03:50:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5948 transitions. [2024-11-19 03:50:54,847 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5948 transitions. Word has length 139 [2024-11-19 03:50:54,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:50:54,847 INFO L471 AbstractCegarLoop]: Abstraction has 4035 states and 5948 transitions. [2024-11-19 03:50:54,848 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) [2024-11-19 03:50:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5948 transitions. [2024-11-19 03:50:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-19 03:50:54,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:50:54,855 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] [2024-11-19 03:50:54,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:50:54,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:50:54,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:50:54,856 INFO L85 PathProgramCache]: Analyzing trace with hash 296479412, now seen corresponding path program 1 times [2024-11-19 03:50:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:50:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856468064] [2024-11-19 03:50:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:50:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:51:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:51:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-19 03:51:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:51:01,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856468064] [2024-11-19 03:51:01,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856468064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:51:01,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:51:01,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:51:01,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12109350] [2024-11-19 03:51:01,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:51:01,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:51:01,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:51:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:51:01,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:51:01,937 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) [2024-11-19 03:51:06,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:51:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:51:06,919 INFO L93 Difference]: Finished difference Result 4037 states and 5949 transitions. [2024-11-19 03:51:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:51:06,920 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 [2024-11-19 03:51:06,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:51:06,948 INFO L225 Difference]: With dead ends: 4037 [2024-11-19 03:51:06,948 INFO L226 Difference]: Without dead ends: 4034 [2024-11-19 03:51:06,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:51:06,954 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, 4.8s IncrementalHoareTripleChecker+Time [2024-11-19 03:51:06,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 5960 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-19 03:51:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2024-11-19 03:51:07,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 4034. [2024-11-19 03:51:07,123 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) [2024-11-19 03:51:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 4034 states and 5945 transitions. [2024-11-19 03:51:07,159 INFO L78 Accepts]: Start accepts. Automaton has 4034 states and 5945 transitions. Word has length 147 [2024-11-19 03:51:07,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:51:07,161 INFO L471 AbstractCegarLoop]: Abstraction has 4034 states and 5945 transitions. [2024-11-19 03:51:07,161 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) [2024-11-19 03:51:07,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4034 states and 5945 transitions. [2024-11-19 03:51:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-19 03:51:07,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:51:07,169 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] [2024-11-19 03:51:07,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:51:07,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:51:07,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:51:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash -639699621, now seen corresponding path program 1 times [2024-11-19 03:51:07,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:51:07,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881076211] [2024-11-19 03:51:07,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:51:07,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:51:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:51:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-19 03:51:15,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:51:15,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881076211] [2024-11-19 03:51:15,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881076211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:51:15,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:51:15,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:51:15,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602588677] [2024-11-19 03:51:15,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:51:15,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:51:15,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:51:15,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:51:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:51:15,319 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) [2024-11-19 03:51:15,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:51:15,527 INFO L93 Difference]: Finished difference Result 4044 states and 5951 transitions. [2024-11-19 03:51:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:51:15,528 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 [2024-11-19 03:51:15,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:51:15,558 INFO L225 Difference]: With dead ends: 4044 [2024-11-19 03:51:15,559 INFO L226 Difference]: Without dead ends: 4040 [2024-11-19 03:51:15,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:51:15,565 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 [2024-11-19 03:51:15,567 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] [2024-11-19 03:51:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2024-11-19 03:51:15,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 4038. [2024-11-19 03:51:15,768 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) [2024-11-19 03:51:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 5944 transitions. [2024-11-19 03:51:15,814 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 5944 transitions. Word has length 158 [2024-11-19 03:51:15,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:51:15,815 INFO L471 AbstractCegarLoop]: Abstraction has 4038 states and 5944 transitions. [2024-11-19 03:51:15,816 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) [2024-11-19 03:51:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 5944 transitions. [2024-11-19 03:51:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 03:51:15,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:51:15,826 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] [2024-11-19 03:51:15,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:51:15,826 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:51:15,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:51:15,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1775331885, now seen corresponding path program 1 times [2024-11-19 03:51:15,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:51:15,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29266116] [2024-11-19 03:51:15,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:51:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms