./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--serial--digi_acceleport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.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 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:03:27,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:03:27,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:03:27,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:03:27,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:03:27,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:03:27,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:03:27,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:03:27,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:03:27,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:03:27,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:03:27,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:03:27,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:03:27,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:03:27,316 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:03:27,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:03:27,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:03:27,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:03:27,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:03:27,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:03:27,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:03:27,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:03:27,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:03:27,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:03:27,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:03:27,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:03:27,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:03:27,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:03:27,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:03:27,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:03:27,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:03:27,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:03:27,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:03:27,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:03:27,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:03:27,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:03:27,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:03:27,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:03:27,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:03:27,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 [2024-11-19 04:03:27,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:03:27,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:03:27,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:03:27,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:03:27,591 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:03:27,592 INFO L431 ainManager$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--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-19 04:03:28,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:03:29,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:03:29,285 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--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-19 04:03:29,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8626a619/45eab486ec6f4958a7a77918ca5388d7/FLAG2adfb787a [2024-11-19 04:03:29,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8626a619/45eab486ec6f4958a7a77918ca5388d7 [2024-11-19 04:03:29,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:03:29,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:03:29,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:03:29,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:03:29,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:03:29,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:29" (1/1) ... [2024-11-19 04:03:29,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff9ba53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:29, skipping insertion in model container [2024-11-19 04:03:29,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:29" (1/1) ... [2024-11-19 04:03:29,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:03:30,372 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--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-19 04:03:30,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:03:30,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:03:30,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2024-11-19 04:03:30,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4068] [2024-11-19 04:03:30,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4071] [2024-11-19 04:03:30,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4074] [2024-11-19 04:03:30,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4077] [2024-11-19 04:03:30,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4102] [2024-11-19 04:03:30,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4105] [2024-11-19 04:03:30,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4108] [2024-11-19 04:03:30,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4111] [2024-11-19 04:03:30,656 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--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-19 04:03:30,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:03:30,780 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:03:30,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30 WrapperNode [2024-11-19 04:03:30,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:03:30,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:03:30,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:03:30,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:03:30,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:30,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:30,968 INFO L138 Inliner]: procedures = 180, calls = 1538, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 4498 [2024-11-19 04:03:30,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:03:30,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:03:30,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:03:30,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:03:30,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:30,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,329 INFO L175 MemorySlicer]: Split 770 memory accesses to 11 slices as follows [119, 2, 2, 1, 3, 27, 427, 146, 38, 3, 2]. 55 percent of accesses are in the largest equivalence class. The 71 initializations are split as follows [0, 2, 0, 0, 0, 0, 66, 0, 0, 3, 0]. The 431 writes are split as follows [102, 0, 1, 0, 1, 27, 151, 146, 2, 0, 1]. [2024-11-19 04:03:31,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:03:31,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:03:31,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:03:31,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:03:31,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (1/1) ... [2024-11-19 04:03:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:03:31,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:03:31,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:03:31,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:03:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 04:03:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2024-11-19 04:03:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:03:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2024-11-19 04:03:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 04:03:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-19 04:03:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:03:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:03:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:03:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:03:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2024-11-19 04:03:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2024-11-19 04:03:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:03:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:03:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 04:03:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 04:03:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 04:03:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 04:03:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 04:03:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 04:03:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 04:03:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 04:03:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2024-11-19 04:03:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:03:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-19 04:03:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2024-11-19 04:03:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2024-11-19 04:03:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-19 04:03:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 04:03:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-19 04:03:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 04:03:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-19 04:03:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2024-11-19 04:03:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:03:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:03:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 04:03:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 04:03:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-19 04:03:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-19 04:03:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2024-11-19 04:03:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2024-11-19 04:03:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:03:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:03:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2024-11-19 04:03:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2024-11-19 04:03:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2024-11-19 04:03:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2024-11-19 04:03:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 04:03:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 04:03:31,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 04:03:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2024-11-19 04:03:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2024-11-19 04:03:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2024-11-19 04:03:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2024-11-19 04:03:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2024-11-19 04:03:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2024-11-19 04:03:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:03:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 04:03:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 04:03:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 04:03:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2024-11-19 04:03:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2024-11-19 04:03:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2024-11-19 04:03:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:03:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2024-11-19 04:03:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-19 04:03:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2024-11-19 04:03:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2024-11-19 04:03:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2024-11-19 04:03:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-19 04:03:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2024-11-19 04:03:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 04:03:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-19 04:03:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-19 04:03:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 04:03:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2024-11-19 04:03:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-19 04:03:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2024-11-19 04:03:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:03:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:03:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2024-11-19 04:03:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2024-11-19 04:03:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 04:03:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 04:03:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 04:03:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 04:03:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-19 04:03:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-19 04:03:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 04:03:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 04:03:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-19 04:03:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-19 04:03:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2024-11-19 04:03:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2024-11-19 04:03:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 04:03:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 04:03:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-19 04:03:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-19 04:03:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:03:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-19 04:03:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2024-11-19 04:03:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 04:03:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 04:03:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 04:03:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-19 04:03:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-19 04:03:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:03:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:03:32,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:03:32,132 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:03:32,250 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:03:46,614 INFO L? ?]: Removed 1369 outVars from TransFormulas that were not future-live. [2024-11-19 04:03:46,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:03:46,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:03:46,654 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 04:03:46,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:46 BoogieIcfgContainer [2024-11-19 04:03:46,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:03:46,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:03:46,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:03:46,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:03:46,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:03:29" (1/3) ... [2024-11-19 04:03:46,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1767ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:03:46, skipping insertion in model container [2024-11-19 04:03:46,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:30" (2/3) ... [2024-11-19 04:03:46,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1767ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:03:46, skipping insertion in model container [2024-11-19 04:03:46,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:46" (3/3) ... [2024-11-19 04:03:46,667 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-19 04:03:46,682 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:03:46,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 04:03:46,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:03:46,791 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;@3740b70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:03:46,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 04:03:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-19 04:03:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 04:03:46,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:03:46,822 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:03:46,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:03:46,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:03:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash -287343303, now seen corresponding path program 1 times [2024-11-19 04:03:46,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:03:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502866631] [2024-11-19 04:03:46,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:03:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:03:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:03:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-19 04:03:50,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:03:50,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502866631] [2024-11-19 04:03:50,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502866631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:03:50,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522409470] [2024-11-19 04:03:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:03:50,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:03:50,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:03:50,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:03:50,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 04:03:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:03:53,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 3360 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 04:03:53,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:03:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-19 04:03:53,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:03:53,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522409470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:03:53,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:03:53,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 04:03:53,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536143476] [2024-11-19 04:03:53,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:03:53,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 04:03:53,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:03:53,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 04:03:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 04:03:53,726 INFO L87 Difference]: Start difference. First operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 04:03:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:03:53,874 INFO L93 Difference]: Finished difference Result 3115 states and 4775 transitions. [2024-11-19 04:03:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 04:03:53,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-19 04:03:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:03:53,910 INFO L225 Difference]: With dead ends: 3115 [2024-11-19 04:03:53,911 INFO L226 Difference]: Without dead ends: 1545 [2024-11-19 04:03:53,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 04:03:53,935 INFO L432 NwaCegarLoop]: 2323 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, 2323 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:03:53,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2323 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:03:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-19 04:03:54,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2024-11-19 04:03:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1122 states have (on average 1.4126559714795008) internal successors, (1585), 1135 states have internal predecessors, (1585), 360 states have call successors, (360), 63 states have call predecessors, (360), 62 states have return successors, (359), 355 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-19 04:03:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2304 transitions. [2024-11-19 04:03:54,090 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2304 transitions. Word has length 152 [2024-11-19 04:03:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:03:54,092 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2304 transitions. [2024-11-19 04:03:54,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 04:03:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2304 transitions. [2024-11-19 04:03:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 04:03:54,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:03:54,100 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:03:54,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 04:03:54,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 04:03:54,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:03:54,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:03:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1222953281, now seen corresponding path program 1 times [2024-11-19 04:03:54,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:03:54,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125178337] [2024-11-19 04:03:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:03:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:03:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:03:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 04:03:56,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:03:56,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125178337] [2024-11-19 04:03:56,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125178337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:03:56,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:03:56,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:03:56,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828210992] [2024-11-19 04:03:56,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:03:56,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:03:56,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:03:56,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:03:56,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:03:56,784 INFO L87 Difference]: Start difference. First operand 1545 states and 2304 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 04:03:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:03:58,284 INFO L93 Difference]: Finished difference Result 4357 states and 6469 transitions. [2024-11-19 04:03:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:03:58,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 04:03:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:03:58,305 INFO L225 Difference]: With dead ends: 4357 [2024-11-19 04:03:58,306 INFO L226 Difference]: Without dead ends: 2847 [2024-11-19 04:03:58,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:03:58,316 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 1949 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:03:58,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 4385 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 04:03:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-19 04:03:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2842. [2024-11-19 04:03:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 2074 states have (on average 1.4074252651880423) internal successors, (2919), 2101 states have internal predecessors, (2919), 645 states have call successors, (645), 123 states have call predecessors, (645), 122 states have return successors, (644), 635 states have call predecessors, (644), 644 states have call successors, (644) [2024-11-19 04:03:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 4208 transitions. [2024-11-19 04:03:58,428 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 4208 transitions. Word has length 152 [2024-11-19 04:03:58,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:03:58,430 INFO L471 AbstractCegarLoop]: Abstraction has 2842 states and 4208 transitions. [2024-11-19 04:03:58,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 04:03:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 4208 transitions. [2024-11-19 04:03:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 04:03:58,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:03:58,434 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:03:58,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:03:58,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:03:58,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:03:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1720941943, now seen corresponding path program 1 times [2024-11-19 04:03:58,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:03:58,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572003796] [2024-11-19 04:03:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:03:58,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 04:04:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:01,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572003796] [2024-11-19 04:04:01,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572003796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:01,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:01,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:04:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848515037] [2024-11-19 04:04:01,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:01,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:04:01,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:01,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:04:01,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:01,201 INFO L87 Difference]: Start difference. First operand 2842 states and 4208 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 04:04:02,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:02,720 INFO L93 Difference]: Finished difference Result 7029 states and 10380 transitions. [2024-11-19 04:04:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:04:02,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 152 [2024-11-19 04:04:02,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:02,758 INFO L225 Difference]: With dead ends: 7029 [2024-11-19 04:04:02,758 INFO L226 Difference]: Without dead ends: 4222 [2024-11-19 04:04:02,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:02,777 INFO L432 NwaCegarLoop]: 4110 mSDtfsCounter, 1962 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:02,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 6204 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 04:04:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2024-11-19 04:04:02,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 4219. [2024-11-19 04:04:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 3089 states have (on average 1.4046617028164454) internal successors, (4339), 3129 states have internal predecessors, (4339), 939 states have call successors, (939), 191 states have call predecessors, (939), 190 states have return successors, (938), 925 states have call predecessors, (938), 938 states have call successors, (938) [2024-11-19 04:04:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 6216 transitions. [2024-11-19 04:04:02,938 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 6216 transitions. Word has length 152 [2024-11-19 04:04:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:02,939 INFO L471 AbstractCegarLoop]: Abstraction has 4219 states and 6216 transitions. [2024-11-19 04:04:02,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 04:04:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 6216 transitions. [2024-11-19 04:04:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-19 04:04:02,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:02,944 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:02,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:04:02,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:02,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:02,946 INFO L85 PathProgramCache]: Analyzing trace with hash 260983603, now seen corresponding path program 1 times [2024-11-19 04:04:02,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:02,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308127515] [2024-11-19 04:04:02,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:02,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-19 04:04:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:05,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308127515] [2024-11-19 04:04:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308127515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:05,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:04:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997453196] [2024-11-19 04:04:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:05,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:04:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:05,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:04:05,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:05,855 INFO L87 Difference]: Start difference. First operand 4219 states and 6216 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:09,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:04:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:12,368 INFO L93 Difference]: Finished difference Result 10572 states and 15610 transitions. [2024-11-19 04:04:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:04:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2024-11-19 04:04:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:12,405 INFO L225 Difference]: With dead ends: 10572 [2024-11-19 04:04:12,405 INFO L226 Difference]: Without dead ends: 6402 [2024-11-19 04:04:12,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:12,430 INFO L432 NwaCegarLoop]: 2469 mSDtfsCounter, 2030 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:12,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 4560 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-19 04:04:12,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6402 states. [2024-11-19 04:04:12,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6402 to 6397. [2024-11-19 04:04:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6397 states, 4741 states have (on average 1.3963298882092385) internal successors, (6620), 4802 states have internal predecessors, (6620), 1358 states have call successors, (1358), 298 states have call predecessors, (1358), 297 states have return successors, (1357), 1338 states have call predecessors, (1357), 1357 states have call successors, (1357) [2024-11-19 04:04:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6397 states to 6397 states and 9335 transitions. [2024-11-19 04:04:12,645 INFO L78 Accepts]: Start accepts. Automaton has 6397 states and 9335 transitions. Word has length 293 [2024-11-19 04:04:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:12,647 INFO L471 AbstractCegarLoop]: Abstraction has 6397 states and 9335 transitions. [2024-11-19 04:04:12,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6397 states and 9335 transitions. [2024-11-19 04:04:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-19 04:04:12,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:12,652 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:12,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:04:12,652 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:12,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:12,653 INFO L85 PathProgramCache]: Analyzing trace with hash 758972265, now seen corresponding path program 1 times [2024-11-19 04:04:12,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:12,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457468856] [2024-11-19 04:04:12,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:12,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-19 04:04:15,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:15,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457468856] [2024-11-19 04:04:15,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457468856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:15,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:15,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:04:15,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668964016] [2024-11-19 04:04:15,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:15,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:04:15,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:04:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:15,021 INFO L87 Difference]: Start difference. First operand 6397 states and 9335 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:19,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:04:21,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:21,261 INFO L93 Difference]: Finished difference Result 15781 states and 23082 transitions. [2024-11-19 04:04:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:04:21,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2024-11-19 04:04:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:21,318 INFO L225 Difference]: With dead ends: 15781 [2024-11-19 04:04:21,319 INFO L226 Difference]: Without dead ends: 9433 [2024-11-19 04:04:21,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:21,351 INFO L432 NwaCegarLoop]: 2478 mSDtfsCounter, 2035 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:21,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 4570 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-19 04:04:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-11-19 04:04:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 9430. [2024-11-19 04:04:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9430 states, 7074 states have (on average 1.3897370653095844) internal successors, (9831), 7162 states have internal predecessors, (9831), 1907 states have call successors, (1907), 449 states have call predecessors, (1907), 448 states have return successors, (1906), 1881 states have call predecessors, (1906), 1906 states have call successors, (1906) [2024-11-19 04:04:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9430 states to 9430 states and 13644 transitions. [2024-11-19 04:04:21,669 INFO L78 Accepts]: Start accepts. Automaton has 9430 states and 13644 transitions. Word has length 293 [2024-11-19 04:04:21,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:21,670 INFO L471 AbstractCegarLoop]: Abstraction has 9430 states and 13644 transitions. [2024-11-19 04:04:21,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 9430 states and 13644 transitions. [2024-11-19 04:04:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-19 04:04:21,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:21,673 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:21,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 04:04:21,678 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:21,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:21,679 INFO L85 PathProgramCache]: Analyzing trace with hash 575710413, now seen corresponding path program 1 times [2024-11-19 04:04:21,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:21,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945797863] [2024-11-19 04:04:21,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-19 04:04:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:23,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945797863] [2024-11-19 04:04:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945797863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:04:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274071080] [2024-11-19 04:04:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:23,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:04:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:23,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:04:23,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:23,928 INFO L87 Difference]: Start difference. First operand 9430 states and 13644 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 04:04:24,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:24,063 INFO L93 Difference]: Finished difference Result 9441 states and 13662 transitions. [2024-11-19 04:04:24,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:04:24,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 294 [2024-11-19 04:04:24,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:24,105 INFO L225 Difference]: With dead ends: 9441 [2024-11-19 04:04:24,105 INFO L226 Difference]: Without dead ends: 9438 [2024-11-19 04:04:24,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:04:24,112 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 0 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4601 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 [2024-11-19 04:04:24,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4601 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:04:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9438 states. [2024-11-19 04:04:24,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9438 to 9438. [2024-11-19 04:04:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 7082 states have (on average 1.3892968088110704) internal successors, (9839), 7170 states have internal predecessors, (9839), 1907 states have call successors, (1907), 449 states have call predecessors, (1907), 448 states have return successors, (1906), 1881 states have call predecessors, (1906), 1906 states have call successors, (1906) [2024-11-19 04:04:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 13652 transitions. [2024-11-19 04:04:24,342 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 13652 transitions. Word has length 294 [2024-11-19 04:04:24,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:24,343 INFO L471 AbstractCegarLoop]: Abstraction has 9438 states and 13652 transitions. [2024-11-19 04:04:24,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 04:04:24,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 13652 transitions. [2024-11-19 04:04:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-19 04:04:24,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:24,346 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:24,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 04:04:24,346 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:24,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1349390798, now seen corresponding path program 1 times [2024-11-19 04:04:24,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:24,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435196262] [2024-11-19 04:04:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-19 04:04:26,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:26,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435196262] [2024-11-19 04:04:26,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435196262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:26,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:26,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 04:04:26,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957432724] [2024-11-19 04:04:26,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:26,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 04:04:26,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:26,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 04:04:26,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 04:04:26,666 INFO L87 Difference]: Start difference. First operand 9438 states and 13652 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:27,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:27,083 INFO L93 Difference]: Finished difference Result 19092 states and 27650 transitions. [2024-11-19 04:04:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:04:27,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 296 [2024-11-19 04:04:27,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:27,120 INFO L225 Difference]: With dead ends: 19092 [2024-11-19 04:04:27,121 INFO L226 Difference]: Without dead ends: 9703 [2024-11-19 04:04:27,142 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 [2024-11-19 04:04:27,143 INFO L432 NwaCegarLoop]: 2320 mSDtfsCounter, 1807 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:27,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 5094 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:04:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9703 states. [2024-11-19 04:04:27,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9703 to 9638. [2024-11-19 04:04:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9638 states, 7227 states have (on average 1.3870208938702089) internal successors, (10024), 7323 states have internal predecessors, (10024), 1928 states have call successors, (1928), 491 states have call predecessors, (1928), 482 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-19 04:04:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9638 states to 9638 states and 13879 transitions. [2024-11-19 04:04:27,398 INFO L78 Accepts]: Start accepts. Automaton has 9638 states and 13879 transitions. Word has length 296 [2024-11-19 04:04:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:27,398 INFO L471 AbstractCegarLoop]: Abstraction has 9638 states and 13879 transitions. [2024-11-19 04:04:27,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:04:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand 9638 states and 13879 transitions. [2024-11-19 04:04:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-19 04:04:27,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:27,401 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:27,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 04:04:27,402 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:27,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:27,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1540270003, now seen corresponding path program 1 times [2024-11-19 04:04:27,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:27,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728755801] [2024-11-19 04:04:27,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:27,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-19 04:04:30,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:30,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728755801] [2024-11-19 04:04:30,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728755801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:30,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:04:30,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:04:30,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130664503] [2024-11-19 04:04:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:30,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:04:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:04:30,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:04:30,452 INFO L87 Difference]: Start difference. First operand 9638 states and 13879 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-19 04:04:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:31,053 INFO L93 Difference]: Finished difference Result 19324 states and 27850 transitions. [2024-11-19 04:04:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:04:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 305 [2024-11-19 04:04:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:31,087 INFO L225 Difference]: With dead ends: 19324 [2024-11-19 04:04:31,087 INFO L226 Difference]: Without dead ends: 9735 [2024-11-19 04:04:31,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 04:04:31,108 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 18 mSDsluCounter, 6892 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 9195 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:31,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 9195 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 04:04:31,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9735 states. [2024-11-19 04:04:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9735 to 9718. [2024-11-19 04:04:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9718 states, 7299 states have (on average 1.3853952596246062) internal successors, (10112), 7395 states have internal predecessors, (10112), 1928 states have call successors, (1928), 499 states have call predecessors, (1928), 490 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-19 04:04:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9718 states to 9718 states and 13967 transitions. [2024-11-19 04:04:31,344 INFO L78 Accepts]: Start accepts. Automaton has 9718 states and 13967 transitions. Word has length 305 [2024-11-19 04:04:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:31,346 INFO L471 AbstractCegarLoop]: Abstraction has 9718 states and 13967 transitions. [2024-11-19 04:04:31,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-19 04:04:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 9718 states and 13967 transitions. [2024-11-19 04:04:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-19 04:04:31,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:31,348 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:31,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 04:04:31,349 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:31,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash -91887288, now seen corresponding path program 1 times [2024-11-19 04:04:31,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:31,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185967680] [2024-11-19 04:04:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:04:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-11-19 04:04:34,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:04:34,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185967680] [2024-11-19 04:04:34,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185967680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:04:34,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467386507] [2024-11-19 04:04:34,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:34,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:04:34,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:04:34,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:04:34,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 04:04:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:04:49,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 3969 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 04:04:49,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:04:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2024-11-19 04:04:50,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:04:50,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467386507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:04:50,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:04:50,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 04:04:50,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308605386] [2024-11-19 04:04:50,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:04:50,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 04:04:50,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:04:50,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 04:04:50,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 04:04:50,373 INFO L87 Difference]: Start difference. First operand 9718 states and 13967 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 04:04:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:04:50,977 INFO L93 Difference]: Finished difference Result 19414 states and 27917 transitions. [2024-11-19 04:04:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 04:04:50,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 308 [2024-11-19 04:04:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:04:51,027 INFO L225 Difference]: With dead ends: 19414 [2024-11-19 04:04:51,027 INFO L226 Difference]: Without dead ends: 9719 [2024-11-19 04:04:51,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 04:04:51,061 INFO L432 NwaCegarLoop]: 2302 mSDtfsCounter, 0 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:04:51,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6886 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 04:04:51,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2024-11-19 04:04:51,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 9719. [2024-11-19 04:04:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9719 states, 7300 states have (on average 1.3853424657534246) internal successors, (10113), 7396 states have internal predecessors, (10113), 1928 states have call successors, (1928), 499 states have call predecessors, (1928), 490 states have return successors, (1927), 1894 states have call predecessors, (1927), 1927 states have call successors, (1927) [2024-11-19 04:04:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 13968 transitions. [2024-11-19 04:04:51,369 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 13968 transitions. Word has length 308 [2024-11-19 04:04:51,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:04:51,370 INFO L471 AbstractCegarLoop]: Abstraction has 9719 states and 13968 transitions. [2024-11-19 04:04:51,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 04:04:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 13968 transitions. [2024-11-19 04:04:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-19 04:04:51,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:04:51,373 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:04:51,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 04:04:51,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-19 04:04:51,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:04:51,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:04:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1977203377, now seen corresponding path program 1 times [2024-11-19 04:04:51,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:04:51,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349878756] [2024-11-19 04:04:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:04:51,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms