./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-798a7b3-m [2025-03-04 04:08:55,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:08:55,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:08:55,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:08:55,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:08:55,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:08:55,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:08:55,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:08:55,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:08:55,847 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:08:55,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:08:55,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:08:55,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:08:55,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:08:55,848 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:08:55,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:08:55,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:08:55,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:08:55,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:08:55,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:08:55,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:08:55,850 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:08:55,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:08:55,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:08:55,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:08:55,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:08:55,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:08:55,851 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 [2025-03-04 04:08:56,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:08:56,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:08:56,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:08:56,062 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:08:56,062 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:08:56,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-03-04 04:08:57,201 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6116dc18c/b747d9e0310b4e3d98c2105902fd62c6/FLAG6182b5813 [2025-03-04 04:08:57,666 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:08:57,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-03-04 04:08:57,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6116dc18c/b747d9e0310b4e3d98c2105902fd62c6/FLAG6182b5813 [2025-03-04 04:08:57,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6116dc18c/b747d9e0310b4e3d98c2105902fd62c6 [2025-03-04 04:08:57,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:08:57,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:08:57,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:08:57,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:08:57,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:08:57,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:08:57" (1/1) ... [2025-03-04 04:08:57,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a20930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:57, skipping insertion in model container [2025-03-04 04:08:57,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:08:57" (1/1) ... [2025-03-04 04:08:57,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:08:58,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2025-03-04 04:08:58,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:08:58,734 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:08:58,791 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] [2025-03-04 04:08:58,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2796] [2025-03-04 04:08:58,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2799] [2025-03-04 04:08:58,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2802] [2025-03-04 04:08:58,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2805] [2025-03-04 04:08:58,840 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3649] [2025-03-04 04:08:58,841 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3671] [2025-03-04 04:08:58,943 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] [2025-03-04 04:08:58,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:08:59,017 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:08:59,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59 WrapperNode [2025-03-04 04:08:59,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:08:59,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:08:59,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:08:59,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:08:59,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,259 INFO L138 Inliner]: procedures = 189, calls = 2554, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 4799 [2025-03-04 04:08:59,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:08:59,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:08:59,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:08:59,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:08:59,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,642 INFO L175 MemorySlicer]: Split 1878 memory accesses to 13 slices as follows [2, 6, 12, 8, 13, 0, 5, 2, 19, 26, 23, 1737, 25]. 92 percent of accesses are in the largest equivalence class. The 1387 initializations are split as follows [2, 1, 12, 0, 8, 0, 2, 0, 8, 0, 0, 1332, 22]. The 231 writes are split as follows [0, 0, 0, 1, 0, 0, 0, 0, 1, 26, 23, 180, 0]. [2025-03-04 04:08:59,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,744 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:08:59,820 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:08:59,820 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:08:59,820 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:08:59,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (1/1) ... [2025-03-04 04:08:59,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:08:59,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:08:59,848 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) [2025-03-04 04:08:59,854 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 [2025-03-04 04:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2025-03-04 04:08:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2025-03-04 04:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2025-03-04 04:08:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2025-03-04 04:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2025-03-04 04:08:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-04 04:08:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 04:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:08:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 04:08:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2025-03-04 04:08:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2025-03-04 04:08:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-04 04:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-04 04:08:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 04:08:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2025-03-04 04:08:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:08:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 04:08:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:08:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:08:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2025-03-04 04:08:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2025-03-04 04:08:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2025-03-04 04:08:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2025-03-04 04:08:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2025-03-04 04:08:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2025-03-04 04:08:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:08:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:08:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:08:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2025-03-04 04:08:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2025-03-04 04:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 04:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-04 04:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2025-03-04 04:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2025-03-04 04:08:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:08:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:08:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:08:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:08:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-04 04:08:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2025-03-04 04:08:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2025-03-04 04:08:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 04:08:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2025-03-04 04:08:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2025-03-04 04:08:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:08:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:08:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 04:08:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 04:09:00,377 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:09:00,382 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:09:00,624 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:09:00,633 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5865: havoc dev_get_drvdata_#t~ret734#1.base, dev_get_drvdata_#t~ret734#1.offset; [2025-03-04 04:09:01,151 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4257: call ULTIMATE.dealloc(~#__wait~2.base, ~#__wait~2.offset);havoc ~#__wait~2.base, ~#__wait~2.offset; [2025-03-04 04:09:01,567 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5849: havoc cdev_add_#t~nondet732#1; [2025-03-04 04:09:01,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5875: havoc device_create_#t~ret736#1.base, device_create_#t~ret736#1.offset; [2025-03-04 04:09:01,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5872: havoc dev_warn_#t~nondet735#1; [2025-03-04 04:09:01,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4972: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset;call ULTIMATE.dealloc(~#__key___2~0#1.base, ~#__key___2~0#1.offset);havoc ~#__key___2~0#1.base, ~#__key___2~0#1.offset;call ULTIMATE.dealloc(~#__key___3~0#1.base, ~#__key___3~0#1.offset);havoc ~#__key___3~0#1.base, ~#__key___3~0#1.offset; [2025-03-04 04:09:01,570 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5914: havoc #t~nondet739; [2025-03-04 04:09:01,585 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5903: havoc #t~nondet737; [2025-03-04 04:09:01,590 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5862: havoc #t~nondet733; [2025-03-04 04:09:01,596 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2919: havoc __kmalloc_#t~ret67#1.base, __kmalloc_#t~ret67#1.offset; [2025-03-04 04:09:01,597 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5835: havoc #t~nondet730; [2025-03-04 04:09:01,616 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2872: havoc #t~mem35.base, #t~mem35.offset; [2025-03-04 04:09:01,903 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: havoc _copy_from_user_#t~nondet728#1; [2025-03-04 04:09:01,903 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4109: call ULTIMATE.dealloc(~#__wait~1#1.base, ~#__wait~1#1.offset);havoc ~#__wait~1#1.base, ~#__wait~1#1.offset; [2025-03-04 04:09:02,068 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5910: havoc simple_strtoul_#t~nondet738#1; [2025-03-04 04:09:02,405 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3373: havoc usb_gadget_get_string_#t~mem213#1; [2025-03-04 04:09:08,192 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5538-1: ldv_usb_gadget_register_driver_11_#res#1 := ldv_usb_gadget_register_driver_11_~ldv_func_res~1#1; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5259: call ULTIMATE.dealloc(main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset);havoc main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset);havoc main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset);havoc main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3939: call ULTIMATE.dealloc(printer_read_~#__wait~0#1.base, printer_read_~#__wait~0#1.offset);havoc printer_read_~#__wait~0#1.base, printer_read_~#__wait~0#1.offset; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5921: havoc usb_gadget_register_driver_#t~nondet740#1; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5925: havoc usb_gadget_unregister_driver_#t~nondet741#1; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: havoc _copy_to_user_#t~nondet729#1; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: havoc alloc_chrdev_region_#t~nondet731#1; [2025-03-04 04:09:08,193 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5517-1: ldv_alloc_chrdev_region_9_#res#1 := ldv_alloc_chrdev_region_9_~ldv_func_res~0#1; [2025-03-04 04:09:08,824 INFO L? ?]: Removed 1655 outVars from TransFormulas that were not future-live. [2025-03-04 04:09:08,824 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:09:08,878 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:09:08,882 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:09:08,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:09:08 BoogieIcfgContainer [2025-03-04 04:09:08,883 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:09:08,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:09:08,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:09:08,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:09:08,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:08:57" (1/3) ... [2025-03-04 04:09:08,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c4e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:09:08, skipping insertion in model container [2025-03-04 04:09:08,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:08:59" (2/3) ... [2025-03-04 04:09:08,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c4e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:09:08, skipping insertion in model container [2025-03-04 04:09:08,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:09:08" (3/3) ... [2025-03-04 04:09:08,889 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-03-04 04:09:08,898 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:09:08,904 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i that has 95 procedures, 1502 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2025-03-04 04:09:08,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:09:08,980 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;@212692ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:09:08,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:09:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 1397 states, 961 states have (on average 1.3610822060353798) internal successors, (1308), 1004 states have internal predecessors, (1308), 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) [2025-03-04 04:09:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 04:09:09,001 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:09,001 INFO L218 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] [2025-03-04 04:09:09,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:09,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:09,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1873905866, now seen corresponding path program 1 times [2025-03-04 04:09:09,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:09,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419349621] [2025-03-04 04:09:09,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:09,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:10,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 04:09:10,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 04:09:10,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:10,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2025-03-04 04:09:10,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:10,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419349621] [2025-03-04 04:09:10,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419349621] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:09:10,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42337602] [2025-03-04 04:09:10,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:10,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:09:10,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:09:10,974 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) [2025-03-04 04:09:10,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 04:09:12,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 04:09:13,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 04:09:13,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:13,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:13,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 04:09:13,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:09:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2025-03-04 04:09:13,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:09:13,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42337602] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:13,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:09:13,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 04:09:13,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541894824] [2025-03-04 04:09:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:13,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 04:09:13,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:13,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 04:09:13,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 04:09:13,249 INFO L87 Difference]: Start difference. First operand has 1397 states, 961 states have (on average 1.3610822060353798) internal successors, (1308), 1004 states have internal predecessors, (1308), 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) [2025-03-04 04:09:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:13,468 INFO L93 Difference]: Finished difference Result 2789 states and 4113 transitions. [2025-03-04 04:09:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 04:09:13,469 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 [2025-03-04 04:09:13,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:13,492 INFO L225 Difference]: With dead ends: 2789 [2025-03-04 04:09:13,493 INFO L226 Difference]: Without dead ends: 1385 [2025-03-04 04:09:13,502 INFO L434 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 [2025-03-04 04:09:13,503 INFO L435 NwaCegarLoop]: 1982 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:13,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1982 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:09:13,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2025-03-04 04:09:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1385. [2025-03-04 04:09:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 956 states have (on average 1.3472803347280335) internal successors, (1288), 992 states have internal predecessors, (1288), 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) [2025-03-04 04:09:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1993 transitions. [2025-03-04 04:09:13,610 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1993 transitions. Word has length 171 [2025-03-04 04:09:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:13,610 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1993 transitions. [2025-03-04 04:09:13,611 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) [2025-03-04 04:09:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1993 transitions. [2025-03-04 04:09:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 04:09:13,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:13,614 INFO L218 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] [2025-03-04 04:09:13,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 04:09:13,814 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 [2025-03-04 04:09:13,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:13,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:13,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1040881776, now seen corresponding path program 1 times [2025-03-04 04:09:13,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:13,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344620978] [2025-03-04 04:09:13,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:15,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 04:09:15,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 04:09:15,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:15,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-04 04:09:15,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344620978] [2025-03-04 04:09:15,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344620978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:15,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:09:15,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:09:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042149435] [2025-03-04 04:09:15,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:15,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:09:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:15,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:09:15,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:15,594 INFO L87 Difference]: Start difference. First operand 1385 states and 1993 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) [2025-03-04 04:09:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:15,985 INFO L93 Difference]: Finished difference Result 2706 states and 3899 transitions. [2025-03-04 04:09:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:09:15,986 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 [2025-03-04 04:09:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:16,003 INFO L225 Difference]: With dead ends: 2706 [2025-03-04 04:09:16,003 INFO L226 Difference]: Without dead ends: 2677 [2025-03-04 04:09:16,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:16,005 INFO L435 NwaCegarLoop]: 1953 mSDtfsCounter, 1935 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:16,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 3808 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 04:09:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2025-03-04 04:09:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2673. [2025-03-04 04:09:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 1856 states have (on average 1.3491379310344827) internal successors, (2504), 1917 states have internal predecessors, (2504), 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) [2025-03-04 04:09:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3858 transitions. [2025-03-04 04:09:16,113 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3858 transitions. Word has length 171 [2025-03-04 04:09:16,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:16,114 INFO L471 AbstractCegarLoop]: Abstraction has 2673 states and 3858 transitions. [2025-03-04 04:09:16,114 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) [2025-03-04 04:09:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3858 transitions. [2025-03-04 04:09:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-04 04:09:16,117 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:16,117 INFO L218 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] [2025-03-04 04:09:16,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:09:16,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:16,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:16,118 INFO L85 PathProgramCache]: Analyzing trace with hash -2093071925, now seen corresponding path program 1 times [2025-03-04 04:09:16,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:16,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145774408] [2025-03-04 04:09:16,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:17,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-04 04:09:17,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-04 04:09:17,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:17,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-04 04:09:17,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:17,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145774408] [2025-03-04 04:09:17,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145774408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:17,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:09:17,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:09:17,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531143303] [2025-03-04 04:09:17,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:17,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:09:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:17,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:09:17,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:17,641 INFO L87 Difference]: Start difference. First operand 2673 states and 3858 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) [2025-03-04 04:09:18,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:18,042 INFO L93 Difference]: Finished difference Result 7917 states and 11446 transitions. [2025-03-04 04:09:18,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:09:18,043 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 [2025-03-04 04:09:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:18,078 INFO L225 Difference]: With dead ends: 7917 [2025-03-04 04:09:18,078 INFO L226 Difference]: Without dead ends: 5278 [2025-03-04 04:09:18,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:18,092 INFO L435 NwaCegarLoop]: 1967 mSDtfsCounter, 1935 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 3831 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:18,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 3831 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 04:09:18,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5278 states. [2025-03-04 04:09:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5278 to 5270. [2025-03-04 04:09:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 3671 states have (on average 1.3511304821574504) internal successors, (4960), 3784 states have internal predecessors, (4960), 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) [2025-03-04 04:09:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 7616 transitions. [2025-03-04 04:09:18,274 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 7616 transitions. Word has length 172 [2025-03-04 04:09:18,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:18,274 INFO L471 AbstractCegarLoop]: Abstraction has 5270 states and 7616 transitions. [2025-03-04 04:09:18,275 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) [2025-03-04 04:09:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 7616 transitions. [2025-03-04 04:09:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-04 04:09:18,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:18,276 INFO L218 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] [2025-03-04 04:09:18,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:09:18,276 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:18,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:18,277 INFO L85 PathProgramCache]: Analyzing trace with hash -424476021, now seen corresponding path program 1 times [2025-03-04 04:09:18,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:18,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342870749] [2025-03-04 04:09:18,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:19,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-04 04:09:19,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-04 04:09:19,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:19,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-04 04:09:19,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342870749] [2025-03-04 04:09:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342870749] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:19,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:09:19,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:09:19,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35358781] [2025-03-04 04:09:19,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:19,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:09:19,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:19,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:09:19,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:19,973 INFO L87 Difference]: Start difference. First operand 5270 states and 7616 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) [2025-03-04 04:09:24,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:09:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:24,637 INFO L93 Difference]: Finished difference Result 15468 states and 22389 transitions. [2025-03-04 04:09:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:09:24,638 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 [2025-03-04 04:09:24,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:24,700 INFO L225 Difference]: With dead ends: 15468 [2025-03-04 04:09:24,701 INFO L226 Difference]: Without dead ends: 10232 [2025-03-04 04:09:24,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:24,727 INFO L435 NwaCegarLoop]: 2421 mSDtfsCounter, 1895 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 4273 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:24,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 4273 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-03-04 04:09:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10232 states. [2025-03-04 04:09:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10232 to 10224. [2025-03-04 04:09:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10224 states, 7126 states have (on average 1.3536345776031433) internal successors, (9646), 7334 states have internal predecessors, (9646), 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) [2025-03-04 04:09:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10224 states to 10224 states and 14798 transitions. [2025-03-04 04:09:25,154 INFO L78 Accepts]: Start accepts. Automaton has 10224 states and 14798 transitions. Word has length 174 [2025-03-04 04:09:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:25,155 INFO L471 AbstractCegarLoop]: Abstraction has 10224 states and 14798 transitions. [2025-03-04 04:09:25,156 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) [2025-03-04 04:09:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10224 states and 14798 transitions. [2025-03-04 04:09:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-04 04:09:25,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:25,161 INFO L218 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] [2025-03-04 04:09:25,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:09:25,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:25,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:25,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1983752072, now seen corresponding path program 1 times [2025-03-04 04:09:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:25,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593957095] [2025-03-04 04:09:25,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:25,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:26,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-04 04:09:26,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-04 04:09:26,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:26,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-04 04:09:26,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:26,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593957095] [2025-03-04 04:09:26,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593957095] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:26,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:09:26,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:09:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178475350] [2025-03-04 04:09:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:26,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:09:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:26,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:09:26,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:26,662 INFO L87 Difference]: Start difference. First operand 10224 states and 14798 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) [2025-03-04 04:09:27,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:27,508 INFO L93 Difference]: Finished difference Result 30585 states and 44286 transitions. [2025-03-04 04:09:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:09:27,509 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 [2025-03-04 04:09:27,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:27,638 INFO L225 Difference]: With dead ends: 30585 [2025-03-04 04:09:27,638 INFO L226 Difference]: Without dead ends: 20392 [2025-03-04 04:09:27,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:09:27,690 INFO L435 NwaCegarLoop]: 2016 mSDtfsCounter, 1923 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 3903 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:27,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 3903 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 04:09:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20392 states. [2025-03-04 04:09:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20392 to 20349. [2025-03-04 04:09:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20349 states, 14199 states have (on average 1.3543207268117472) internal successors, (19230), 14605 states have internal predecessors, (19230), 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) [2025-03-04 04:09:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20349 states to 20349 states and 29476 transitions. [2025-03-04 04:09:28,326 INFO L78 Accepts]: Start accepts. Automaton has 20349 states and 29476 transitions. Word has length 195 [2025-03-04 04:09:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:28,327 INFO L471 AbstractCegarLoop]: Abstraction has 20349 states and 29476 transitions. [2025-03-04 04:09:28,327 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) [2025-03-04 04:09:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 20349 states and 29476 transitions. [2025-03-04 04:09:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-04 04:09:28,330 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:28,330 INFO L218 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] [2025-03-04 04:09:28,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:09:28,330 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:28,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:28,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2007188685, now seen corresponding path program 1 times [2025-03-04 04:09:28,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:28,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736902908] [2025-03-04 04:09:28,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:28,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:29,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 04:09:29,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 04:09:29,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:29,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2025-03-04 04:09:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:30,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736902908] [2025-03-04 04:09:30,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736902908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:09:30,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551256641] [2025-03-04 04:09:30,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:09:30,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:09:30,813 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) [2025-03-04 04:09:30,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 04:09:32,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 04:09:35,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 04:09:35,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:35,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:35,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 5399 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 04:09:35,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:09:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 04:09:36,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:09:36,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551256641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:36,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:09:36,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2025-03-04 04:09:36,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380379996] [2025-03-04 04:09:36,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:36,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 04:09:36,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:36,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 04:09:36,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-04 04:09:36,162 INFO L87 Difference]: Start difference. First operand 20349 states and 29476 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) [2025-03-04 04:09:37,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:37,248 INFO L93 Difference]: Finished difference Result 40688 states and 58940 transitions. [2025-03-04 04:09:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 04:09:37,249 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 [2025-03-04 04:09:37,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:37,352 INFO L225 Difference]: With dead ends: 40688 [2025-03-04 04:09:37,353 INFO L226 Difference]: Without dead ends: 20350 [2025-03-04 04:09:37,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-04 04:09:37,421 INFO L435 NwaCegarLoop]: 1945 mSDtfsCounter, 4 mSDsluCounter, 7764 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9709 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:37,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9709 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 04:09:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20350 states. [2025-03-04 04:09:37,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20350 to 20350. [2025-03-04 04:09:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20350 states, 14200 states have (on average 1.3542957746478874) internal successors, (19231), 14606 states have internal predecessors, (19231), 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) [2025-03-04 04:09:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20350 states to 20350 states and 29477 transitions. [2025-03-04 04:09:38,080 INFO L78 Accepts]: Start accepts. Automaton has 20350 states and 29477 transitions. Word has length 197 [2025-03-04 04:09:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:38,082 INFO L471 AbstractCegarLoop]: Abstraction has 20350 states and 29477 transitions. [2025-03-04 04:09:38,082 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) [2025-03-04 04:09:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 20350 states and 29477 transitions. [2025-03-04 04:09:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-04 04:09:38,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:38,086 INFO L218 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] [2025-03-04 04:09:38,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 04:09:38,287 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 [2025-03-04 04:09:38,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:38,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:38,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1872389860, now seen corresponding path program 1 times [2025-03-04 04:09:38,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:38,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105449986] [2025-03-04 04:09:38,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:38,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:39,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 04:09:39,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 04:09:39,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:39,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-03-04 04:09:40,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:40,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105449986] [2025-03-04 04:09:40,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105449986] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:09:40,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671388290] [2025-03-04 04:09:40,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:40,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:09:40,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:09:40,749 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) [2025-03-04 04:09:40,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 04:09:42,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 04:09:44,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 04:09:44,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:09:44,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:44,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 5474 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-04 04:09:44,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:09:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-03-04 04:09:45,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 04:09:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-03-04 04:09:46,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671388290] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 04:09:46,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 04:09:46,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-04 04:09:46,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332629974] [2025-03-04 04:09:46,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 04:09:46,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 04:09:46,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:46,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 04:09:46,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-04 04:09:46,241 INFO L87 Difference]: Start difference. First operand 20350 states and 29477 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 04:09:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:47,672 INFO L93 Difference]: Finished difference Result 40701 states and 58955 transitions. [2025-03-04 04:09:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 04:09:47,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 202 [2025-03-04 04:09:47,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:47,757 INFO L225 Difference]: With dead ends: 40701 [2025-03-04 04:09:47,757 INFO L226 Difference]: Without dead ends: 20362 [2025-03-04 04:09:47,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 397 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-03-04 04:09:47,801 INFO L435 NwaCegarLoop]: 1947 mSDtfsCounter, 11 mSDsluCounter, 11660 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13607 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:47,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13607 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 04:09:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20362 states. [2025-03-04 04:09:48,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20362 to 20362. [2025-03-04 04:09:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20362 states, 14209 states have (on average 1.3541417411499754) internal successors, (19241), 14615 states have internal predecessors, (19241), 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) [2025-03-04 04:09:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20362 states to 20362 states and 29489 transitions. [2025-03-04 04:09:48,286 INFO L78 Accepts]: Start accepts. Automaton has 20362 states and 29489 transitions. Word has length 202 [2025-03-04 04:09:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:48,287 INFO L471 AbstractCegarLoop]: Abstraction has 20362 states and 29489 transitions. [2025-03-04 04:09:48,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 04:09:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 20362 states and 29489 transitions. [2025-03-04 04:09:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-03-04 04:09:48,290 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:48,290 INFO L218 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] [2025-03-04 04:09:48,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 04:09:48,491 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 [2025-03-04 04:09:48,491 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:48,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:48,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1659339219, now seen corresponding path program 2 times [2025-03-04 04:09:48,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:48,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836450918] [2025-03-04 04:09:48,492 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 04:09:48,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:49,752 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 207 statements into 2 equivalence classes. [2025-03-04 04:09:50,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 73 of 207 statements. [2025-03-04 04:09:50,227 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 04:09:50,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:09:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-03-04 04:09:53,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:09:53,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836450918] [2025-03-04 04:09:53,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836450918] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:09:53,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:09:53,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-04 04:09:53,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835360301] [2025-03-04 04:09:53,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:09:53,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 04:09:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:09:53,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 04:09:53,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-03-04 04:09:53,328 INFO L87 Difference]: Start difference. First operand 20362 states and 29489 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) [2025-03-04 04:09:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:09:57,068 INFO L93 Difference]: Finished difference Result 55901 states and 81032 transitions. [2025-03-04 04:09:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-04 04:09:57,069 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 [2025-03-04 04:09:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:09:57,306 INFO L225 Difference]: With dead ends: 55901 [2025-03-04 04:09:57,306 INFO L226 Difference]: Without dead ends: 35586 [2025-03-04 04:09:57,394 INFO L434 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 [2025-03-04 04:09:57,395 INFO L435 NwaCegarLoop]: 1937 mSDtfsCounter, 1979 mSDsluCounter, 21227 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 23164 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:09:57,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 23164 Invalid, 537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 04:09:57,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35586 states. [2025-03-04 04:09:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35586 to 35392. [2025-03-04 04:09:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35392 states, 24694 states have (on average 1.355025512270187) internal successors, (33461), 25407 states have internal predecessors, (33461), 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) [2025-03-04 04:09:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35392 states to 35392 states and 51339 transitions. [2025-03-04 04:09:58,689 INFO L78 Accepts]: Start accepts. Automaton has 35392 states and 51339 transitions. Word has length 207 [2025-03-04 04:09:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:09:58,690 INFO L471 AbstractCegarLoop]: Abstraction has 35392 states and 51339 transitions. [2025-03-04 04:09:58,690 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) [2025-03-04 04:09:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 35392 states and 51339 transitions. [2025-03-04 04:09:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-03-04 04:09:58,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:09:58,694 INFO L218 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] [2025-03-04 04:09:58,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 04:09:58,694 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:09:58,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:09:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 4893977, now seen corresponding path program 1 times [2025-03-04 04:09:58,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:09:58,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899271256] [2025-03-04 04:09:58,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:09:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:09:59,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-03-04 04:10:00,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-03-04 04:10:00,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:10:00,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:10:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-03-04 04:10:00,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:10:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899271256] [2025-03-04 04:10:00,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899271256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:10:00,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:10:00,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:10:00,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253911265] [2025-03-04 04:10:00,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:10:00,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:10:00,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:10:00,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:10:00,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:10:00,413 INFO L87 Difference]: Start difference. First operand 35392 states and 51339 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) [2025-03-04 04:10:04,492 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 [] [2025-03-04 04:10:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:10:05,639 INFO L93 Difference]: Finished difference Result 70744 states and 102626 transitions. [2025-03-04 04:10:05,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:10:05,639 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 226 [2025-03-04 04:10:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:10:05,874 INFO L225 Difference]: With dead ends: 70744 [2025-03-04 04:10:05,874 INFO L226 Difference]: Without dead ends: 35399 [2025-03-04 04:10:05,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:10:05,993 INFO L435 NwaCegarLoop]: 3700 mSDtfsCounter, 1874 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 5642 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-04 04:10:05,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 5642 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-04 04:10:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35399 states. [2025-03-04 04:10:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35399 to 35373. [2025-03-04 04:10:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35373 states, 24675 states have (on average 1.3546504559270516) internal successors, (33426), 25390 states have internal predecessors, (33426), 8921 states have call successors, (8921), 1772 states have call predecessors, (8921), 1776 states have return successors, (8957), 8798 states have call predecessors, (8957), 8901 states have call successors, (8957) [2025-03-04 04:10:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35373 states to 35373 states and 51304 transitions. [2025-03-04 04:10:07,288 INFO L78 Accepts]: Start accepts. Automaton has 35373 states and 51304 transitions. Word has length 226 [2025-03-04 04:10:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:10:07,289 INFO L471 AbstractCegarLoop]: Abstraction has 35373 states and 51304 transitions. [2025-03-04 04:10:07,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-03-04 04:10:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 35373 states and 51304 transitions. [2025-03-04 04:10:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-03-04 04:10:07,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:10:07,293 INFO L218 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:10:07,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 04:10:07,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:10:07,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:10:07,294 INFO L85 PathProgramCache]: Analyzing trace with hash 110926369, now seen corresponding path program 1 times [2025-03-04 04:10:07,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:10:07,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29833361] [2025-03-04 04:10:07,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:10:07,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:10:08,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-03-04 04:10:08,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-03-04 04:10:08,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:10:08,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:10:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-04 04:10:10,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:10:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29833361] [2025-03-04 04:10:10,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29833361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:10:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077676124] [2025-03-04 04:10:10,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:10:10,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:10:10,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:10:10,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:10:10,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 04:10:12,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-03-04 04:10:12,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-03-04 04:10:12,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:10:12,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:10:12,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 5618 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-03-04 04:10:12,712 INFO L279 TraceCheckSpWp]: Computing forward predicates...