./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 16:02:41,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 16:02:41,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 16:02:41,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 16:02:41,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 16:02:41,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 16:02:41,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 16:02:41,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 16:02:41,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 16:02:41,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 16:02:41,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 16:02:41,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 16:02:41,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 16:02:41,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 16:02:41,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 16:02:41,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 16:02:41,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 16:02:41,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 16:02:41,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 16:02:41,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 16:02:41,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 16:02:41,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 16:02:41,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 16:02:41,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 16:02:41,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 16:02:41,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 16:02:41,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 16:02:41,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 16:02:41,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 16:02:41,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:02:41,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 16:02:41,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 16:02:41,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 16:02:41,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 16:02:41,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 16:02:41,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 16:02:41,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 16:02:41,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 16:02:41,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 16:02:41,559 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeb9ca06f21b9dec7d230ce040a263678a02e52fe3d91f2bc4306bcb6729759 [2024-11-22 16:02:41,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 16:02:41,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 16:02:41,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 16:02:41,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 16:02:41,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 16:02:41,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-22 16:02:43,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 16:02:43,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 16:02:43,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/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 [2024-11-22 16:02:43,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c992427/cb42b0aead31402aa8ce088aab85be77/FLAG109dfb13d [2024-11-22 16:02:43,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c992427/cb42b0aead31402aa8ce088aab85be77 [2024-11-22 16:02:43,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 16:02:43,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 16:02:43,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 16:02:43,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 16:02:43,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 16:02:43,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:02:43" (1/1) ... [2024-11-22 16:02:43,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cd6f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:43, skipping insertion in model container [2024-11-22 16:02:44,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:02:43" (1/1) ... [2024-11-22 16:02:44,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 16:02:46,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-22 16:02:46,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:02:46,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 16:02:46,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3725-3726] [2024-11-22 16:02:46,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3737-3738] [2024-11-22 16:02:46,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3741-3742] [2024-11-22 16:02:46,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3745-3746] [2024-11-22 16:02:46,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3749-3750] [2024-11-22 16:02:46,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[263943,263956] [2024-11-22 16:02:46,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:02:46,836 INFO L204 MainTranslator]: Completed translation [2024-11-22 16:02:46,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46 WrapperNode [2024-11-22 16:02:46,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 16:02:46,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 16:02:46,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 16:02:46,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 16:02:46,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:46,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:47,237 INFO L138 Inliner]: procedures = 268, calls = 2838, calls flagged for inlining = 123, calls inlined = 114, statements flattened = 6939 [2024-11-22 16:02:47,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 16:02:47,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 16:02:47,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 16:02:47,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 16:02:47,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:47,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:47,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,057 INFO L175 MemorySlicer]: Split 1187 memory accesses to 17 slices as follows [2, 3, 3, 7, 3, 2, 3, 2, 47, 26, 3, 1035, 3, 34, 3, 2, 9]. 87 percent of accesses are in the largest equivalence class. The 64 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 53, 0, 0, 0, 0, 9]. The 655 writes are split as follows [0, 3, 3, 2, 3, 1, 3, 1, 45, 13, 3, 563, 3, 8, 3, 1, 0]. [2024-11-22 16:02:48,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 16:02:48,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 16:02:48,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 16:02:48,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 16:02:48,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (1/1) ... [2024-11-22 16:02:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:02:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:02:48,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 16:02:48,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 16:02:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-22 16:02:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-22 16:02:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-22 16:02:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-22 16:02:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-22 16:02:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-22 16:02:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2024-11-22 16:02:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2024-11-22 16:02:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 16:02:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 16:02:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 16:02:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 16:02:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 16:02:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 16:02:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 16:02:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 16:02:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 16:02:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 16:02:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2024-11-22 16:02:48,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2024-11-22 16:02:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 16:02:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 16:02:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-22 16:02:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-22 16:02:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2024-11-22 16:02:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2024-11-22 16:02:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-22 16:02:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-22 16:02:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-22 16:02:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-22 16:02:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-11-22 16:02:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-11-22 16:02:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-22 16:02:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-22 16:02:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-22 16:02:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-22 16:02:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 16:02:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 16:02:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-22 16:02:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-22 16:02:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 16:02:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 16:02:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2024-11-22 16:02:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2024-11-22 16:02:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2024-11-22 16:02:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2024-11-22 16:02:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 16:02:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-22 16:02:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-22 16:02:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-22 16:02:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-22 16:02:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-22 16:02:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-22 16:02:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2024-11-22 16:02:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2024-11-22 16:02:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 16:02:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 16:02:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 16:02:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 16:02:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 16:02:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 16:02:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-22 16:02:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-22 16:02:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-22 16:02:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2024-11-22 16:02:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-22 16:02:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 16:02:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 16:02:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 16:02:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 16:02:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-22 16:02:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-22 16:02:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-22 16:02:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2024-11-22 16:02:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2024-11-22 16:02:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 16:02:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 16:02:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-22 16:02:48,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-22 16:02:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-22 16:02:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-22 16:02:48,464 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-22 16:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-22 16:02:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-22 16:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-22 16:02:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2024-11-22 16:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2024-11-22 16:02:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2024-11-22 16:02:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2024-11-22 16:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-22 16:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-22 16:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_45 [2024-11-22 16:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_45 [2024-11-22 16:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_44 [2024-11-22 16:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_44 [2024-11-22 16:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-22 16:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-22 16:02:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_43 [2024-11-22 16:02:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_43 [2024-11-22 16:02:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-22 16:02:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-22 16:02:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-22 16:02:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-22 16:02:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2024-11-22 16:02:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2024-11-22 16:02:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2024-11-22 16:02:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2024-11-22 16:02:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2024-11-22 16:02:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2024-11-22 16:02:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2024-11-22 16:02:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2024-11-22 16:02:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2024-11-22 16:02:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2024-11-22 16:02:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 16:02:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 16:02:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 16:02:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-22 16:02:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2024-11-22 16:02:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-22 16:02:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-22 16:02:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-22 16:02:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-22 16:02:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 16:02:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 16:02:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 16:02:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 16:02:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 16:02:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 16:02:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 16:02:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 16:02:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-22 16:02:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-22 16:02:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2024-11-22 16:02:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2024-11-22 16:02:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2024-11-22 16:02:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2024-11-22 16:02:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2024-11-22 16:02:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2024-11-22 16:02:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-22 16:02:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-22 16:02:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2024-11-22 16:02:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-22 16:02:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-22 16:02:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 16:02:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-22 16:02:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 16:02:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2024-11-22 16:02:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2024-11-22 16:02:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-22 16:02:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-22 16:02:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2024-11-22 16:02:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2024-11-22 16:02:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2024-11-22 16:02:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2024-11-22 16:02:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 16:02:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2024-11-22 16:02:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2024-11-22 16:02:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-22 16:02:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-22 16:02:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-22 16:02:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-22 16:02:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 16:02:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-22 16:02:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-22 16:02:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 16:02:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 16:02:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 16:02:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 16:02:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 16:02:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 16:02:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 16:02:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 16:02:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 16:02:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 16:02:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 16:02:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2024-11-22 16:02:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2024-11-22 16:02:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:02:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:02:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2024-11-22 16:02:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2024-11-22 16:02:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-22 16:02:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-22 16:02:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2024-11-22 16:02:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2024-11-22 16:02:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-22 16:02:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-22 16:02:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-22 16:02:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-22 16:02:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-22 16:02:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-22 16:02:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-22 16:02:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-22 16:02:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-22 16:02:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-22 16:02:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2024-11-22 16:02:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-11-22 16:02:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 16:02:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 16:02:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 16:02:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 16:02:49,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 16:02:49,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 16:02:49,308 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 16:03:07,372 INFO L? ?]: Removed 1993 outVars from TransFormulas that were not future-live. [2024-11-22 16:03:07,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 16:03:07,433 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 16:03:07,434 INFO L316 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-22 16:03:07,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:07 BoogieIcfgContainer [2024-11-22 16:03:07,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 16:03:07,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 16:03:07,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 16:03:07,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 16:03:07,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:02:43" (1/3) ... [2024-11-22 16:03:07,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740da4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:07, skipping insertion in model container [2024-11-22 16:03:07,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:02:46" (2/3) ... [2024-11-22 16:03:07,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740da4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:03:07, skipping insertion in model container [2024-11-22 16:03:07,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:03:07" (3/3) ... [2024-11-22 16:03:07,444 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2024-11-22 16:03:07,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 16:03:07,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 16:03:07,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 16:03:07,612 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;@66469345, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 16:03:07,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 16:03:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 1986 states, 1418 states have (on average 1.4174894217207334) internal successors, (2010), 1469 states have internal predecessors, (2010), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) [2024-11-22 16:03:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 16:03:07,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:07,647 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:07,647 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:07,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:07,655 INFO L85 PathProgramCache]: Analyzing trace with hash 606491696, now seen corresponding path program 1 times [2024-11-22 16:03:07,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:07,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992875689] [2024-11-22 16:03:07,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-22 16:03:16,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:16,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992875689] [2024-11-22 16:03:16,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992875689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 16:03:16,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201558645] [2024-11-22 16:03:16,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:16,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 16:03:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:03:16,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 16:03:16,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 16:03:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:24,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 4640 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 16:03:24,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 16:03:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-22 16:03:24,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 16:03:24,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201558645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:24,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 16:03:24,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 16:03:24,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140440298] [2024-11-22 16:03:24,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:24,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 16:03:24,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 16:03:24,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 16:03:24,362 INFO L87 Difference]: Start difference. First operand has 1986 states, 1418 states have (on average 1.4174894217207334) internal successors, (2010), 1469 states have internal predecessors, (2010), 483 states have call successors, (483), 84 states have call predecessors, (483), 83 states have return successors, (476), 462 states have call predecessors, (476), 476 states have call successors, (476) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 16:03:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:24,580 INFO L93 Difference]: Finished difference Result 3967 states and 6054 transitions. [2024-11-22 16:03:24,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 16:03:24,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-22 16:03:24,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:24,620 INFO L225 Difference]: With dead ends: 3967 [2024-11-22 16:03:24,621 INFO L226 Difference]: Without dead ends: 1969 [2024-11-22 16:03:24,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 16:03:24,656 INFO L432 NwaCegarLoop]: 2946 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, 2946 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:24,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 16:03:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2024-11-22 16:03:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2024-11-22 16:03:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1410 states have (on average 1.399290780141844) internal successors, (1973), 1453 states have internal predecessors, (1973), 476 states have call successors, (476), 83 states have call predecessors, (476), 82 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-22 16:03:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2923 transitions. [2024-11-22 16:03:24,879 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2923 transitions. Word has length 127 [2024-11-22 16:03:24,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:24,881 INFO L471 AbstractCegarLoop]: Abstraction has 1969 states and 2923 transitions. [2024-11-22 16:03:24,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 16:03:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2923 transitions. [2024-11-22 16:03:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 16:03:24,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:24,887 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:24,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 16:03:25,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 16:03:25,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:25,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1510472730, now seen corresponding path program 1 times [2024-11-22 16:03:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:25,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636101243] [2024-11-22 16:03:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 16:03:32,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:32,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636101243] [2024-11-22 16:03:32,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636101243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:32,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:32,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:32,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026404411] [2024-11-22 16:03:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:32,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:32,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:32,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:32,630 INFO L87 Difference]: Start difference. First operand 1969 states and 2923 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:33,170 INFO L93 Difference]: Finished difference Result 5663 states and 8423 transitions. [2024-11-22 16:03:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 127 [2024-11-22 16:03:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:33,210 INFO L225 Difference]: With dead ends: 5663 [2024-11-22 16:03:33,210 INFO L226 Difference]: Without dead ends: 3723 [2024-11-22 16:03:33,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:33,233 INFO L432 NwaCegarLoop]: 2968 mSDtfsCounter, 2684 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2684 SdHoareTripleChecker+Valid, 5802 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:33,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2684 Valid, 5802 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 16:03:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2024-11-22 16:03:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3718. [2024-11-22 16:03:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2680 states have (on average 1.4085820895522387) internal successors, (3775), 2763 states have internal predecessors, (3775), 880 states have call successors, (880), 158 states have call predecessors, (880), 157 states have return successors, (878), 850 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-22 16:03:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5533 transitions. [2024-11-22 16:03:33,469 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5533 transitions. Word has length 127 [2024-11-22 16:03:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:33,471 INFO L471 AbstractCegarLoop]: Abstraction has 3718 states and 5533 transitions. [2024-11-22 16:03:33,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5533 transitions. [2024-11-22 16:03:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 16:03:33,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:33,479 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:33,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 16:03:33,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:33,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:33,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1737707796, now seen corresponding path program 1 times [2024-11-22 16:03:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:33,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146260605] [2024-11-22 16:03:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:33,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 16:03:40,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:40,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146260605] [2024-11-22 16:03:40,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146260605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:40,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:40,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:40,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176885269] [2024-11-22 16:03:40,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:40,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:40,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:40,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:40,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:40,482 INFO L87 Difference]: Start difference. First operand 3718 states and 5533 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:41,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:41,177 INFO L93 Difference]: Finished difference Result 10842 states and 16137 transitions. [2024-11-22 16:03:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:41,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 134 [2024-11-22 16:03:41,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:41,247 INFO L225 Difference]: With dead ends: 10842 [2024-11-22 16:03:41,247 INFO L226 Difference]: Without dead ends: 7153 [2024-11-22 16:03:41,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:41,289 INFO L432 NwaCegarLoop]: 2922 mSDtfsCounter, 2719 mSDsluCounter, 2864 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:41,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 5786 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 16:03:41,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2024-11-22 16:03:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7150. [2024-11-22 16:03:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7150 states, 5144 states have (on average 1.4092146189735615) internal successors, (7249), 5304 states have internal predecessors, (7249), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-22 16:03:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7150 states to 7150 states and 10638 transitions. [2024-11-22 16:03:41,688 INFO L78 Accepts]: Start accepts. Automaton has 7150 states and 10638 transitions. Word has length 134 [2024-11-22 16:03:41,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:41,689 INFO L471 AbstractCegarLoop]: Abstraction has 7150 states and 10638 transitions. [2024-11-22 16:03:41,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 7150 states and 10638 transitions. [2024-11-22 16:03:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 16:03:41,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:41,696 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:41,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 16:03:41,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:41,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash -902454415, now seen corresponding path program 1 times [2024-11-22 16:03:41,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:41,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956751650] [2024-11-22 16:03:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 16:03:49,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:49,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956751650] [2024-11-22 16:03:49,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956751650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:49,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:49,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:03:49,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661115546] [2024-11-22 16:03:49,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:49,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:03:49,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:49,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:03:49,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:49,148 INFO L87 Difference]: Start difference. First operand 7150 states and 10638 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:49,400 INFO L93 Difference]: Finished difference Result 7157 states and 10648 transitions. [2024-11-22 16:03:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:03:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2024-11-22 16:03:49,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:49,454 INFO L225 Difference]: With dead ends: 7157 [2024-11-22 16:03:49,454 INFO L226 Difference]: Without dead ends: 7154 [2024-11-22 16:03:49,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:03:49,465 INFO L432 NwaCegarLoop]: 2922 mSDtfsCounter, 0 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5839 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:49,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5839 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 16:03:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7154 states. [2024-11-22 16:03:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7154 to 7154. [2024-11-22 16:03:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7154 states, 5148 states have (on average 1.408896658896659) internal successors, (7253), 5308 states have internal predecessors, (7253), 1696 states have call successors, (1696), 310 states have call predecessors, (1696), 309 states have return successors, (1693), 1637 states have call predecessors, (1693), 1693 states have call successors, (1693) [2024-11-22 16:03:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7154 states to 7154 states and 10642 transitions. [2024-11-22 16:03:49,817 INFO L78 Accepts]: Start accepts. Automaton has 7154 states and 10642 transitions. Word has length 136 [2024-11-22 16:03:49,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:49,818 INFO L471 AbstractCegarLoop]: Abstraction has 7154 states and 10642 transitions. [2024-11-22 16:03:49,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-22 16:03:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7154 states and 10642 transitions. [2024-11-22 16:03:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-22 16:03:49,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:03:49,826 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:03:49,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 16:03:49,830 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 16:03:49,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:03:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -178321898, now seen corresponding path program 1 times [2024-11-22 16:03:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:03:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670316584] [2024-11-22 16:03:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:03:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:03:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:03:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-22 16:03:56,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:03:56,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670316584] [2024-11-22 16:03:56,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670316584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:03:56,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:03:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 16:03:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161560220] [2024-11-22 16:03:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:03:56,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 16:03:56,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:03:56,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 16:03:56,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 16:03:56,984 INFO L87 Difference]: Start difference. First operand 7154 states and 10642 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 16:03:57,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:03:57,410 INFO L93 Difference]: Finished difference Result 14246 states and 21498 transitions. [2024-11-22 16:03:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 16:03:57,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 138 [2024-11-22 16:03:57,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:03:57,422 INFO L225 Difference]: With dead ends: 14246 [2024-11-22 16:03:57,422 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 16:03:57,512 INFO L431 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 [2024-11-22 16:03:57,514 INFO L432 NwaCegarLoop]: 2910 mSDtfsCounter, 2873 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 5820 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 16:03:57,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 5820 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 16:03:57,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 16:03:57,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 16:03:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 16:03:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 16:03:57,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-11-22 16:03:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:03:57,529 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 16:03:57,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 16:03:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 16:03:57,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 16:03:57,533 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 16:03:57,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 16:03:57,536 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-22 16:03:57,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.