./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:25:30,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:25:30,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:25:30,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:25:30,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:25:30,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:25:30,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:25:30,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:25:30,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:25:30,176 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:25:30,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:25:30,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:25:30,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:25:30,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:25:30,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:25:30,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:25:30,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:25:30,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:25:30,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:25:30,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:25:30,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:25:30,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:25:30,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:25:30,180 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:25:30,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 [2025-01-09 19:25:30,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:25:30,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:25:30,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:25:30,426 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:25:30,426 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:25:30,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2025-01-09 19:25:31,645 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd9000e0d/9240b89ca19648e7a56a5cf26636f031/FLAG0d2da48fb [2025-01-09 19:25:32,182 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:25:32,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2025-01-09 19:25:32,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd9000e0d/9240b89ca19648e7a56a5cf26636f031/FLAG0d2da48fb [2025-01-09 19:25:32,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cd9000e0d/9240b89ca19648e7a56a5cf26636f031 [2025-01-09 19:25:32,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:25:32,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:25:32,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:25:32,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:25:32,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:25:32,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:25:32" (1/1) ... [2025-01-09 19:25:32,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b75563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:32, skipping insertion in model container [2025-01-09 19:25:32,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:25:32" (1/1) ... [2025-01-09 19:25:32,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:25:34,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2025-01-09 19:25:34,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:25:34,140 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:25:34,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3725-3726] [2025-01-09 19:25:34,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3737-3738] [2025-01-09 19:25:34,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3741-3742] [2025-01-09 19:25:34,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3745-3746] [2025-01-09 19:25:34,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3749-3750] [2025-01-09 19:25:34,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2025-01-09 19:25:34,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:25:34,436 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:25:34,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34 WrapperNode [2025-01-09 19:25:34,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:25:34,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:25:34,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:25:34,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:25:34,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:34,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:34,669 INFO L138 Inliner]: procedures = 268, calls = 2838, calls flagged for inlining = 123, calls inlined = 114, statements flattened = 6784 [2025-01-09 19:25:34,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:25:34,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:25:34,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:25:34,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:25:34,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:34,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:34,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,152 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 1035, 2, 9, 3, 34, 2, 3, 26, 47, 7, 3, 3, 3, 3, 2, 3]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 53, 0, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 655 writes are split as follows [0, 563, 1, 0, 3, 8, 1, 3, 13, 45, 2, 3, 3, 3, 3, 1, 3]. [2025-01-09 19:25:35,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:25:35,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:25:35,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:25:35,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:25:35,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (1/1) ... [2025-01-09 19:25:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:25:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:25:35,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:25:35,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-01-09 19:25:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-01-09 19:25:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2025-01-09 19:25:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2025-01-09 19:25:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:25:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2025-01-09 19:25:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2025-01-09 19:25:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2025-01-09 19:25:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2025-01-09 19:25:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2025-01-09 19:25:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2025-01-09 19:25:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 19:25:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 19:25:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2025-01-09 19:25:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2025-01-09 19:25:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 19:25:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 19:25:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure up [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2025-01-09 19:25:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:25:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:25:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 19:25:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 19:25:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-01-09 19:25:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-01-09 19:25:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-01-09 19:25:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-01-09 19:25:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-01-09 19:25:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-01-09 19:25:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2025-01-09 19:25:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2025-01-09 19:25:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2025-01-09 19:25:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2025-01-09 19:25:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2025-01-09 19:25:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:25:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2025-01-09 19:25:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2025-01-09 19:25:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2025-01-09 19:25:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2025-01-09 19:25:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2025-01-09 19:25:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:25:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:25:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2025-01-09 19:25:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2025-01-09 19:25:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-01-09 19:25:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-01-09 19:25:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:25:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:25:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:25:36,079 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:25:36,082 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:25:36,154 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:25:52,743 INFO L? ?]: Removed 1985 outVars from TransFormulas that were not future-live. [2025-01-09 19:25:52,743 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:25:52,772 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:25:52,773 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-01-09 19:25:52,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:25:52 BoogieIcfgContainer [2025-01-09 19:25:52,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:25:52,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:25:52,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:25:52,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:25:52,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:25:32" (1/3) ... [2025-01-09 19:25:52,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@866e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:25:52, skipping insertion in model container [2025-01-09 19:25:52,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:25:34" (2/3) ... [2025-01-09 19:25:52,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@866e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:25:52, skipping insertion in model container [2025-01-09 19:25:52,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:25:52" (3/3) ... [2025-01-09 19:25:52,779 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2025-01-09 19:25:52,793 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:25:52,797 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i that has 85 procedures, 1979 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-01-09 19:25:52,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:25:52,908 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;@2345773d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:25:52,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 19:25:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) [2025-01-09 19:25:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 19:25:52,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:25:52,931 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:25:52,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:25:52,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:25:52,937 INFO L85 PathProgramCache]: Analyzing trace with hash -910371414, now seen corresponding path program 1 times [2025-01-09 19:25:52,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:25:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223462241] [2025-01-09 19:25:52,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:25:52,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:25:59,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 19:25:59,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 19:25:59,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:25:59,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:25:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-01-09 19:25:59,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:25:59,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223462241] [2025-01-09 19:25:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223462241] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:25:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599180950] [2025-01-09 19:25:59,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:25:59,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:25:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:25:59,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 19:25:59,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 19:26:06,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 19:26:06,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 19:26:06,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:26:06,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:26:06,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 4640 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 19:26:06,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 19:26:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-01-09 19:26:06,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 19:26:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599180950] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:26:06,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 19:26:06,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 19:26:06,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769900899] [2025-01-09 19:26:06,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:26:06,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 19:26:06,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:26:06,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 19:26:06,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 19:26:06,853 INFO L87 Difference]: Start difference. First operand has 1978 states, 1410 states have (on average 1.4198581560283687) internal successors, (2002), 1463 states have internal predecessors, (2002), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 19:26:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:26:07,006 INFO L93 Difference]: Finished difference Result 3951 states and 6038 transitions. [2025-01-09 19:26:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 19:26:07,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2025-01-09 19:26:07,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:26:07,034 INFO L225 Difference]: With dead ends: 3951 [2025-01-09 19:26:07,034 INFO L226 Difference]: Without dead ends: 1961 [2025-01-09 19:26:07,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 19:26:07,057 INFO L435 NwaCegarLoop]: 2938 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:26:07,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 19:26:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2025-01-09 19:26:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1961. [2025-01-09 19:26:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1402 states have (on average 1.4015691868758915) internal successors, (1965), 1447 states have internal predecessors, (1965), 476 states have call successors, (476), 83 states have call predecessors, (476), 82 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2025-01-09 19:26:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2915 transitions. [2025-01-09 19:26:07,209 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2915 transitions. Word has length 127 [2025-01-09 19:26:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:26:07,209 INFO L471 AbstractCegarLoop]: Abstraction has 1961 states and 2915 transitions. [2025-01-09 19:26:07,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 19:26:07,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2915 transitions. [2025-01-09 19:26:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 19:26:07,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:26:07,212 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:26:07,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 19:26:07,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 19:26:07,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:26:07,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:26:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1267631456, now seen corresponding path program 1 times [2025-01-09 19:26:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:26:07,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281753723] [2025-01-09 19:26:07,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:26:07,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:26:13,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 19:26:13,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 19:26:13,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:26:13,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:26:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-09 19:26:13,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:26:13,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281753723] [2025-01-09 19:26:13,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281753723] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:26:13,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:26:13,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:26:13,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227282791] [2025-01-09 19:26:13,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:26:13,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:26:13,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:26:13,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:26:13,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:13,822 INFO L87 Difference]: Start difference. First operand 1961 states and 2915 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:26:14,153 INFO L93 Difference]: Finished difference Result 5642 states and 8402 transitions. [2025-01-09 19:26:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:26:14,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 127 [2025-01-09 19:26:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:26:14,181 INFO L225 Difference]: With dead ends: 5642 [2025-01-09 19:26:14,182 INFO L226 Difference]: Without dead ends: 3710 [2025-01-09 19:26:14,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:14,195 INFO L435 NwaCegarLoop]: 2960 mSDtfsCounter, 2679 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:26:14,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 5786 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:26:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2025-01-09 19:26:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3705. [2025-01-09 19:26:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2667 states have (on average 1.4105736782902136) internal successors, (3762), 2754 states have internal predecessors, (3762), 880 states have call successors, (880), 158 states have call predecessors, (880), 157 states have return successors, (878), 850 states have call predecessors, (878), 878 states have call successors, (878) [2025-01-09 19:26:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 5520 transitions. [2025-01-09 19:26:14,346 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 5520 transitions. Word has length 127 [2025-01-09 19:26:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:26:14,346 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 5520 transitions. [2025-01-09 19:26:14,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5520 transitions. [2025-01-09 19:26:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 19:26:14,349 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:26:14,349 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:26:14,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:26:14,350 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:26:14,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:26:14,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1994151888, now seen corresponding path program 1 times [2025-01-09 19:26:14,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:26:14,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158143522] [2025-01-09 19:26:14,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:26:14,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:26:19,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 19:26:19,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 19:26:19,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:26:19,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:26:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-09 19:26:20,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:26:20,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158143522] [2025-01-09 19:26:20,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158143522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:26:20,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:26:20,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:26:20,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255558030] [2025-01-09 19:26:20,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:26:20,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:26:20,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:26:20,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:26:20,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:20,069 INFO L87 Difference]: Start difference. First operand 3705 states and 5520 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:26:20,500 INFO L93 Difference]: Finished difference Result 10807 states and 16102 transitions. [2025-01-09 19:26:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:26:20,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 134 [2025-01-09 19:26:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:26:20,543 INFO L225 Difference]: With dead ends: 10807 [2025-01-09 19:26:20,543 INFO L226 Difference]: Without dead ends: 7131 [2025-01-09 19:26:20,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:20,569 INFO L435 NwaCegarLoop]: 2914 mSDtfsCounter, 2713 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2713 SdHoareTripleChecker+Valid, 5770 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:26:20,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2713 Valid, 5770 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 19:26:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7131 states. [2025-01-09 19:26:20,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7131 to 7128. [2025-01-09 19:26:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7128 states, 5122 states have (on average 1.41097227645451) internal successors, (7227), 5290 states have internal predecessors, (7227), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2025-01-09 19:26:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7128 states to 7128 states and 10616 transitions. [2025-01-09 19:26:20,829 INFO L78 Accepts]: Start accepts. Automaton has 7128 states and 10616 transitions. Word has length 134 [2025-01-09 19:26:20,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:26:20,830 INFO L471 AbstractCegarLoop]: Abstraction has 7128 states and 10616 transitions. [2025-01-09 19:26:20,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7128 states and 10616 transitions. [2025-01-09 19:26:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 19:26:20,833 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:26:20,834 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:26:20,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:26:20,834 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:26:20,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:26:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -457103506, now seen corresponding path program 1 times [2025-01-09 19:26:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:26:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024869346] [2025-01-09 19:26:20,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:26:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:26:26,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 19:26:26,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 19:26:26,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:26:26,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:26:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-09 19:26:27,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:26:27,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024869346] [2025-01-09 19:26:27,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024869346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:26:27,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:26:27,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:26:27,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144867367] [2025-01-09 19:26:27,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:26:27,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:26:27,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:26:27,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:26:27,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:27,039 INFO L87 Difference]: Start difference. First operand 7128 states and 10616 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:27,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:26:27,210 INFO L93 Difference]: Finished difference Result 7135 states and 10626 transitions. [2025-01-09 19:26:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:26:27,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2025-01-09 19:26:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:26:27,255 INFO L225 Difference]: With dead ends: 7135 [2025-01-09 19:26:27,256 INFO L226 Difference]: Without dead ends: 7132 [2025-01-09 19:26:27,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:26:27,262 INFO L435 NwaCegarLoop]: 2914 mSDtfsCounter, 0 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5823 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:26:27,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5823 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:26:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2025-01-09 19:26:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 7132. [2025-01-09 19:26:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7132 states, 5126 states have (on average 1.4106515801794772) internal successors, (7231), 5294 states have internal predecessors, (7231), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2025-01-09 19:26:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7132 states to 7132 states and 10620 transitions. [2025-01-09 19:26:27,502 INFO L78 Accepts]: Start accepts. Automaton has 7132 states and 10620 transitions. Word has length 136 [2025-01-09 19:26:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:26:27,503 INFO L471 AbstractCegarLoop]: Abstraction has 7132 states and 10620 transitions. [2025-01-09 19:26:27,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2025-01-09 19:26:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 7132 states and 10620 transitions. [2025-01-09 19:26:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-01-09 19:26:27,505 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:26:27,505 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:26:27,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:26:27,506 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:26:27,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:26:27,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1692681165, now seen corresponding path program 1 times [2025-01-09 19:26:27,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:26:27,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123462384] [2025-01-09 19:26:27,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:26:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:26:33,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-09 19:26:33,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-09 19:26:33,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:26:33,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:26:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-09 19:26:34,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:26:34,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123462384] [2025-01-09 19:26:34,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123462384] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:26:34,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:26:34,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 19:26:34,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680052809] [2025-01-09 19:26:34,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:26:34,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 19:26:34,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:26:34,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 19:26:34,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 19:26:34,086 INFO L87 Difference]: Start difference. First operand 7132 states and 10620 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 19:26:34,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:26:34,541 INFO L93 Difference]: Finished difference Result 14202 states and 21454 transitions. [2025-01-09 19:26:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 19:26:34,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 138 [2025-01-09 19:26:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:26:34,550 INFO L225 Difference]: With dead ends: 14202 [2025-01-09 19:26:34,551 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 19:26:34,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:26:34,624 INFO L435 NwaCegarLoop]: 2902 mSDtfsCounter, 2865 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:26:34,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2865 Valid, 5804 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:26:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 19:26:34,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 19:26:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 19:26:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 19:26:34,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2025-01-09 19:26:34,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:26:34,639 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 19:26:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 19:26:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 19:26:34,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 19:26:34,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 19:26:34,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:26:34,653 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 19:26:34,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.