./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.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 37b391ae58c5e6c2e62d05a454cd149d807feea3462a4157cf615889ce62b744 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:28:24,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:28:24,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:28:24,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:28:24,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:28:24,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:28:24,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:28:24,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:28:24,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:28:24,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:28:24,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:28:24,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:28:24,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:28:24,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:28:24,524 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:28:24,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:28:24,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:28:24,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:28:24,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:28:24,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:28:24,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:28:24,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:28:24,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:28:24,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:28:24,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:28:24,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:28:24,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:28:24,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:28:24,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:28:24,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:24,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:28:24,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:28:24,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:28:24,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:28:24,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37b391ae58c5e6c2e62d05a454cd149d807feea3462a4157cf615889ce62b744 [2024-11-19 03:28:24,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:28:24,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:28:24,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:28:24,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:28:24,778 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:28:24,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:26,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:28:26,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:28:26,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:26,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b210b7a7/f3d94b56f950497b857d2f4803fc1f37/FLAGb3351c4d3 [2024-11-19 03:28:26,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b210b7a7/f3d94b56f950497b857d2f4803fc1f37 [2024-11-19 03:28:26,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:28:26,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:28:26,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:26,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:28:26,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:28:26,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:26" (1/1) ... [2024-11-19 03:28:26,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e310c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26, skipping insertion in model container [2024-11-19 03:28:26,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:26" (1/1) ... [2024-11-19 03:28:26,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:28:27,618 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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2024-11-19 03:28:27,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:27,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:28:27,859 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)); [2769-2770] [2024-11-19 03:28:27,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2796] [2024-11-19 03:28:27,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2799] [2024-11-19 03:28:27,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2802] [2024-11-19 03:28:27,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2805] [2024-11-19 03:28:27,901 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3649] [2024-11-19 03:28:27,903 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3671] [2024-11-19 03:28:27,978 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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2024-11-19 03:28:28,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:28,092 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:28:28,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28 WrapperNode [2024-11-19 03:28:28,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:28,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:28,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:28:28,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:28:28,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,314 INFO L138 Inliner]: procedures = 189, calls = 2554, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 4875 [2024-11-19 03:28:28,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:28,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:28:28,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:28:28,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:28:28,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,815 INFO L175 MemorySlicer]: Split 1878 memory accesses to 13 slices as follows [2, 19, 0, 6, 12, 2, 5, 8, 25, 13, 23, 26, 1737]. 92 percent of accesses are in the largest equivalence class. The 1387 initializations are split as follows [2, 8, 0, 1, 12, 0, 2, 0, 22, 8, 0, 0, 1332]. The 231 writes are split as follows [0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 23, 26, 180]. [2024-11-19 03:28:28,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:28,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:29,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:29,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:29,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:29,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:28:29,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:28:29,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:28:29,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:28:29,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (1/1) ... [2024-11-19 03:28:29,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:29,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:28:29,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:28:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2024-11-19 03:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2024-11-19 03:28:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-19 03:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-19 03:28:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-19 03:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-19 03:28:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-19 03:28:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:28:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:28:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:28:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:28:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:28:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:28:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:28:29,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:28:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:28:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:28:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:28:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:28:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:28:29,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:28:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:28:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2024-11-19 03:28:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2024-11-19 03:28:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:28:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:28:29,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:28:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:28:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2024-11-19 03:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2024-11-19 03:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 03:28:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 03:28:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2024-11-19 03:28:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2024-11-19 03:28:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-19 03:28:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-19 03:28:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:28:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:28:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:28:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:28:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:28:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:28:29,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:28:29,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2024-11-19 03:28:29,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2024-11-19 03:28:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2024-11-19 03:28:29,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2024-11-19 03:28:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:28:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:28:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:28:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2024-11-19 03:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:28:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:28:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2024-11-19 03:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2024-11-19 03:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:28:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2024-11-19 03:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 03:28:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2024-11-19 03:28:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2024-11-19 03:28:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 03:28:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 03:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:28:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2024-11-19 03:28:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2024-11-19 03:28:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:28:29,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2024-11-19 03:28:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2024-11-19 03:28:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2024-11-19 03:28:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2024-11-19 03:28:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-19 03:28:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-19 03:28:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-19 03:28:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-19 03:28:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:28:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:28:29,196 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-19 03:28:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-19 03:28:29,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:28:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:28:29,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-19 03:28:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-19 03:28:29,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2024-11-19 03:28:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:28:29,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-19 03:28:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-19 03:28:29,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2024-11-19 03:28:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:28:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:28:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-19 03:28:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-19 03:28:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:28:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:28:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:28:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:28:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:28:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-19 03:28:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-19 03:28:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:28:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:28:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:28:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:28:29,783 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:28:29,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:28:30,175 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:28:38,768 INFO L? ?]: Removed 1669 outVars from TransFormulas that were not future-live. [2024-11-19 03:28:38,769 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:28:38,809 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:28:38,809 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:28:38,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:38 BoogieIcfgContainer [2024-11-19 03:28:38,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:28:38,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:28:38,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:28:38,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:28:38,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:28:26" (1/3) ... [2024-11-19 03:28:38,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d2c012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:38, skipping insertion in model container [2024-11-19 03:28:38,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:28" (2/3) ... [2024-11-19 03:28:38,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d2c012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:38, skipping insertion in model container [2024-11-19 03:28:38,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:38" (3/3) ... [2024-11-19 03:28:38,818 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:38,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:28:38,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:28:38,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:28:38,953 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;@4f835163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:28:38,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:28:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 1401 states, 965 states have (on average 1.3595854922279793) internal successors, (1312), 1006 states have internal predecessors, (1312), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-19 03:28:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 03:28:38,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:38,985 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:38,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:38,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash -465199655, now seen corresponding path program 1 times [2024-11-19 03:28:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:38,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442699173] [2024-11-19 03:28:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-19 03:28:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:41,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442699173] [2024-11-19 03:28:41,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442699173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529741409] [2024-11-19 03:28:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:41,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:41,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:28:41,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:28:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:44,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:28:45,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-19 03:28:45,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:28:45,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529741409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:45,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:28:45,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:28:45,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285279698] [2024-11-19 03:28:45,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:45,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:28:45,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:45,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:28:45,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:45,080 INFO L87 Difference]: Start difference. First operand has 1401 states, 965 states have (on average 1.3595854922279793) internal successors, (1312), 1006 states have internal predecessors, (1312), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:28:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:45,202 INFO L93 Difference]: Finished difference Result 2797 states and 4121 transitions. [2024-11-19 03:28:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:28:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 171 [2024-11-19 03:28:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:45,226 INFO L225 Difference]: With dead ends: 2797 [2024-11-19 03:28:45,226 INFO L226 Difference]: Without dead ends: 1389 [2024-11-19 03:28:45,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:45,240 INFO L432 NwaCegarLoop]: 2012 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, 2012 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:45,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2012 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2024-11-19 03:28:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2024-11-19 03:28:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 960 states have (on average 1.3458333333333334) internal successors, (1292), 994 states have internal predecessors, (1292), 359 states have call successors, (359), 70 states have call predecessors, (359), 69 states have return successors, (346), 343 states have call predecessors, (346), 346 states have call successors, (346) [2024-11-19 03:28:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1997 transitions. [2024-11-19 03:28:45,354 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1997 transitions. Word has length 171 [2024-11-19 03:28:45,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:45,354 INFO L471 AbstractCegarLoop]: Abstraction has 1389 states and 1997 transitions. [2024-11-19 03:28:45,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:28:45,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1997 transitions. [2024-11-19 03:28:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 03:28:45,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:45,358 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:45,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:28:45,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:28:45,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:45,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1069408333, now seen corresponding path program 1 times [2024-11-19 03:28:45,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:45,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456686355] [2024-11-19 03:28:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 03:28:47,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:47,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456686355] [2024-11-19 03:28:47,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456686355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:47,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:47,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:47,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821696439] [2024-11-19 03:28:47,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:47,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:47,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:47,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:47,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:47,652 INFO L87 Difference]: Start difference. First operand 1389 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:47,883 INFO L93 Difference]: Finished difference Result 2714 states and 3907 transitions. [2024-11-19 03:28:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:47,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 171 [2024-11-19 03:28:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:47,912 INFO L225 Difference]: With dead ends: 2714 [2024-11-19 03:28:47,912 INFO L226 Difference]: Without dead ends: 2685 [2024-11-19 03:28:47,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:47,917 INFO L432 NwaCegarLoop]: 1983 mSDtfsCounter, 1939 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:47,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 3868 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:47,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2024-11-19 03:28:48,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2681. [2024-11-19 03:28:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 1864 states have (on average 1.3476394849785407) internal successors, (2512), 1921 states have internal predecessors, (2512), 683 states have call successors, (683), 135 states have call predecessors, (683), 133 states have return successors, (671), 662 states have call predecessors, (671), 671 states have call successors, (671) [2024-11-19 03:28:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3866 transitions. [2024-11-19 03:28:48,093 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3866 transitions. Word has length 171 [2024-11-19 03:28:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:48,096 INFO L471 AbstractCegarLoop]: Abstraction has 2681 states and 3866 transitions. [2024-11-19 03:28:48,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3866 transitions. [2024-11-19 03:28:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-19 03:28:48,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:48,103 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:48,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:28:48,103 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:48,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1208952602, now seen corresponding path program 1 times [2024-11-19 03:28:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:48,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222750605] [2024-11-19 03:28:48,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 03:28:50,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:50,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222750605] [2024-11-19 03:28:50,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222750605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:50,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:50,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:50,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179179839] [2024-11-19 03:28:50,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:50,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:50,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:50,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:50,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:50,785 INFO L87 Difference]: Start difference. First operand 2681 states and 3866 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:51,000 INFO L93 Difference]: Finished difference Result 7941 states and 11470 transitions. [2024-11-19 03:28:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:51,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 172 [2024-11-19 03:28:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:51,051 INFO L225 Difference]: With dead ends: 7941 [2024-11-19 03:28:51,051 INFO L226 Difference]: Without dead ends: 5294 [2024-11-19 03:28:51,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:51,072 INFO L432 NwaCegarLoop]: 2128 mSDtfsCounter, 1939 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:51,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 4022 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5294 states. [2024-11-19 03:28:51,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5294 to 5286. [2024-11-19 03:28:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5286 states, 3687 states have (on average 1.3496067263357743) internal successors, (4976), 3792 states have internal predecessors, (4976), 1337 states have call successors, (1337), 265 states have call predecessors, (1337), 261 states have return successors, (1319), 1304 states have call predecessors, (1319), 1319 states have call successors, (1319) [2024-11-19 03:28:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 7632 transitions. [2024-11-19 03:28:51,341 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 7632 transitions. Word has length 172 [2024-11-19 03:28:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:51,341 INFO L471 AbstractCegarLoop]: Abstraction has 5286 states and 7632 transitions. [2024-11-19 03:28:51,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:28:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 7632 transitions. [2024-11-19 03:28:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 03:28:51,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:51,348 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:51,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:28:51,348 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:51,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:51,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1508546075, now seen corresponding path program 1 times [2024-11-19 03:28:51,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:51,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585949139] [2024-11-19 03:28:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 03:28:53,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:53,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585949139] [2024-11-19 03:28:53,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585949139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:53,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:53,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:53,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308523433] [2024-11-19 03:28:53,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:53,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:53,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:53,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:53,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:53,430 INFO L87 Difference]: Start difference. First operand 5286 states and 7632 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:28:57,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:28:58,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:58,343 INFO L93 Difference]: Finished difference Result 15516 states and 22437 transitions. [2024-11-19 03:28:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:58,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2024-11-19 03:28:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:58,426 INFO L225 Difference]: With dead ends: 15516 [2024-11-19 03:28:58,426 INFO L226 Difference]: Without dead ends: 10264 [2024-11-19 03:28:58,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:58,466 INFO L432 NwaCegarLoop]: 2437 mSDtfsCounter, 1899 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:58,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 4319 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 03:28:58,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10264 states. [2024-11-19 03:28:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10264 to 10256. [2024-11-19 03:28:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10256 states, 7158 states have (on average 1.3520536462699078) internal successors, (9678), 7350 states have internal predecessors, (9678), 2585 states have call successors, (2585), 517 states have call predecessors, (2585), 512 states have return successors, (2567), 2540 states have call predecessors, (2567), 2567 states have call successors, (2567) [2024-11-19 03:28:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10256 states to 10256 states and 14830 transitions. [2024-11-19 03:28:59,295 INFO L78 Accepts]: Start accepts. Automaton has 10256 states and 14830 transitions. Word has length 174 [2024-11-19 03:28:59,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:59,304 INFO L471 AbstractCegarLoop]: Abstraction has 10256 states and 14830 transitions. [2024-11-19 03:28:59,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:28:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 10256 states and 14830 transitions. [2024-11-19 03:28:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 03:28:59,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:59,313 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:59,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:28:59,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:59,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash 49998656, now seen corresponding path program 1 times [2024-11-19 03:28:59,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:59,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863756597] [2024-11-19 03:28:59,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:59,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 03:29:01,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863756597] [2024-11-19 03:29:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863756597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:01,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:01,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:01,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800665158] [2024-11-19 03:29:01,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:01,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:01,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:01,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:01,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:01,306 INFO L87 Difference]: Start difference. First operand 10256 states and 14830 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:29:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:01,995 INFO L93 Difference]: Finished difference Result 30681 states and 44382 transitions. [2024-11-19 03:29:01,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:01,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 195 [2024-11-19 03:29:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:02,186 INFO L225 Difference]: With dead ends: 30681 [2024-11-19 03:29:02,187 INFO L226 Difference]: Without dead ends: 20456 [2024-11-19 03:29:02,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:02,256 INFO L432 NwaCegarLoop]: 2046 mSDtfsCounter, 1927 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3963 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:02,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 3963 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20456 states. [2024-11-19 03:29:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20456 to 20413. [2024-11-19 03:29:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20413 states, 14263 states have (on average 1.3527308420388418) internal successors, (19294), 14637 states have internal predecessors, (19294), 5133 states have call successors, (5133), 1024 states have call predecessors, (5133), 1016 states have return successors, (5113), 5055 states have call predecessors, (5113), 5113 states have call successors, (5113) [2024-11-19 03:29:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20413 states to 20413 states and 29540 transitions. [2024-11-19 03:29:03,376 INFO L78 Accepts]: Start accepts. Automaton has 20413 states and 29540 transitions. Word has length 195 [2024-11-19 03:29:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:03,376 INFO L471 AbstractCegarLoop]: Abstraction has 20413 states and 29540 transitions. [2024-11-19 03:29:03,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:29:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 20413 states and 29540 transitions. [2024-11-19 03:29:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-19 03:29:03,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:03,380 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:03,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:29:03,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:03,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:03,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1694001335, now seen corresponding path program 1 times [2024-11-19 03:29:03,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:03,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400094013] [2024-11-19 03:29:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-19 03:29:06,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:06,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400094013] [2024-11-19 03:29:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400094013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:06,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655996467] [2024-11-19 03:29:06,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:06,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:06,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:06,374 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 03:29:06,380 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 03:29:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:11,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 5403 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 03:29:11,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 03:29:11,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:11,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655996467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:11,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:11,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-19 03:29:11,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877668492] [2024-11-19 03:29:11,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:11,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:29:11,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:29:11,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:29:11,720 INFO L87 Difference]: Start difference. First operand 20413 states and 29540 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:29:12,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:12,341 INFO L93 Difference]: Finished difference Result 40816 states and 59068 transitions. [2024-11-19 03:29:12,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:29:12,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 197 [2024-11-19 03:29:12,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:12,452 INFO L225 Difference]: With dead ends: 40816 [2024-11-19 03:29:12,453 INFO L226 Difference]: Without dead ends: 20414 [2024-11-19 03:29:12,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:29:12,528 INFO L432 NwaCegarLoop]: 1975 mSDtfsCounter, 4 mSDsluCounter, 7884 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9859 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:12,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9859 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:29:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20414 states. [2024-11-19 03:29:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20414 to 20414. [2024-11-19 03:29:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20414 states, 14264 states have (on average 1.3527061132922042) internal successors, (19295), 14638 states have internal predecessors, (19295), 5133 states have call successors, (5133), 1024 states have call predecessors, (5133), 1016 states have return successors, (5113), 5055 states have call predecessors, (5113), 5113 states have call successors, (5113) [2024-11-19 03:29:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20414 states to 20414 states and 29541 transitions. [2024-11-19 03:29:13,496 INFO L78 Accepts]: Start accepts. Automaton has 20414 states and 29541 transitions. Word has length 197 [2024-11-19 03:29:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:13,497 INFO L471 AbstractCegarLoop]: Abstraction has 20414 states and 29541 transitions. [2024-11-19 03:29:13,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:29:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 29541 transitions. [2024-11-19 03:29:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-19 03:29:13,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:13,503 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:13,580 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 03:29:13,704 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,SelfDestructingSolverStorable5 [2024-11-19 03:29:13,705 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 161077571, now seen corresponding path program 1 times [2024-11-19 03:29:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515216923] [2024-11-19 03:29:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-19 03:29:17,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:17,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515216923] [2024-11-19 03:29:17,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515216923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:17,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590550824] [2024-11-19 03:29:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:17,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:17,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:29:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:23,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 5478 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 03:29:23,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-19 03:29:24,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:29:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-19 03:29:25,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590550824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:29:25,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:29:25,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-19 03:29:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293672205] [2024-11-19 03:29:25,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:29:25,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 03:29:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 03:29:25,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 03:29:25,685 INFO L87 Difference]: Start difference. First operand 20414 states and 29541 transitions. Second operand has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 4 states have call successors, (30), 2 states have call predecessors, (30), 7 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 03:29:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:27,009 INFO L93 Difference]: Finished difference Result 40829 states and 59083 transitions. [2024-11-19 03:29:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 03:29:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 4 states have call successors, (30), 2 states have call predecessors, (30), 7 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) Word has length 202 [2024-11-19 03:29:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:27,176 INFO L225 Difference]: With dead ends: 40829 [2024-11-19 03:29:27,177 INFO L226 Difference]: Without dead ends: 20426 [2024-11-19 03:29:27,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-19 03:29:27,260 INFO L432 NwaCegarLoop]: 1976 mSDtfsCounter, 15 mSDsluCounter, 9866 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 11842 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:27,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 11842 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 03:29:27,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20426 states. [2024-11-19 03:29:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20426 to 20426. [2024-11-19 03:29:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20426 states, 14273 states have (on average 1.3525537728578434) internal successors, (19305), 14647 states have internal predecessors, (19305), 5134 states have call successors, (5134), 1026 states have call predecessors, (5134), 1018 states have return successors, (5114), 5056 states have call predecessors, (5114), 5114 states have call successors, (5114) [2024-11-19 03:29:27,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20426 states to 20426 states and 29553 transitions. [2024-11-19 03:29:27,908 INFO L78 Accepts]: Start accepts. Automaton has 20426 states and 29553 transitions. Word has length 202 [2024-11-19 03:29:27,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:27,910 INFO L471 AbstractCegarLoop]: Abstraction has 20426 states and 29553 transitions. [2024-11-19 03:29:27,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.416666666666666) internal successors, (101), 14 states have internal predecessors, (101), 4 states have call successors, (30), 2 states have call predecessors, (30), 7 states have return successors, (32), 5 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 03:29:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 20426 states and 29553 transitions. [2024-11-19 03:29:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-19 03:29:27,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:27,913 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:27,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 03:29:28,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:28,114 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:28,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1838144201, now seen corresponding path program 2 times [2024-11-19 03:29:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968421734] [2024-11-19 03:29:28,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:29:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:30,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 03:29:30,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 03:29:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-19 03:29:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968421734] [2024-11-19 03:29:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968421734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 03:29:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397990946] [2024-11-19 03:29:35,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:35,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 03:29:35,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 03:29:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-19 03:29:35,154 INFO L87 Difference]: Start difference. First operand 20426 states and 29553 transitions. Second operand has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 03:29:37,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:37,807 INFO L93 Difference]: Finished difference Result 56077 states and 81208 transitions. [2024-11-19 03:29:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 03:29:37,808 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 207 [2024-11-19 03:29:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:38,016 INFO L225 Difference]: With dead ends: 56077 [2024-11-19 03:29:38,017 INFO L226 Difference]: Without dead ends: 35698 [2024-11-19 03:29:38,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2024-11-19 03:29:38,121 INFO L432 NwaCegarLoop]: 1967 mSDtfsCounter, 1983 mSDsluCounter, 21557 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 23524 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:38,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 23524 Invalid, 225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 03:29:38,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35698 states. [2024-11-19 03:29:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35698 to 35504. [2024-11-19 03:29:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35504 states, 24806 states have (on average 1.3534225590582925) internal successors, (33573), 25463 states have internal predecessors, (33573), 8921 states have call successors, (8921), 1772 states have call predecessors, (8921), 1776 states have return successors, (8957), 8800 states have call predecessors, (8957), 8901 states have call successors, (8957) [2024-11-19 03:29:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35504 states to 35504 states and 51451 transitions. [2024-11-19 03:29:39,921 INFO L78 Accepts]: Start accepts. Automaton has 35504 states and 51451 transitions. Word has length 207 [2024-11-19 03:29:39,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:39,922 INFO L471 AbstractCegarLoop]: Abstraction has 35504 states and 51451 transitions. [2024-11-19 03:29:39,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-19 03:29:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 35504 states and 51451 transitions. [2024-11-19 03:29:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-19 03:29:39,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:39,931 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:39,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:29:39,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:39,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:39,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1103546306, now seen corresponding path program 1 times [2024-11-19 03:29:39,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:39,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326479758] [2024-11-19 03:29:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-19 03:29:41,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:41,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326479758] [2024-11-19 03:29:41,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326479758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:41,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:41,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:41,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077616337] [2024-11-19 03:29:41,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:41,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:41,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:41,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:41,961 INFO L87 Difference]: Start difference. First operand 35504 states and 51451 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)