./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:30:01,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:30:01,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:30:01,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:30:01,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:30:01,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:30:01,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:30:01,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:30:01,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:30:01,728 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:30:01,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:30:01,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:30:01,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:30:01,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:30:01,729 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:30:01,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:30:01,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:30:01,731 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:30:01,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:30:01,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:30:01,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:30:01,732 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2025-01-09 18:30:01,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:30:01,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:30:01,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:30:01,953 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:30:01,953 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:30:01,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2025-01-09 18:30:03,165 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ae241a50/cf2f4731c5d14a3cb66fe83f1a6a0d55/FLAG37001304e [2025-01-09 18:30:03,619 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:30:03,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2025-01-09 18:30:03,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ae241a50/cf2f4731c5d14a3cb66fe83f1a6a0d55/FLAG37001304e [2025-01-09 18:30:03,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ae241a50/cf2f4731c5d14a3cb66fe83f1a6a0d55 [2025-01-09 18:30:03,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:30:03,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:30:03,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:30:03,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:30:03,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:30:03,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:30:03" (1/1) ... [2025-01-09 18:30:03,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7a68f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:03, skipping insertion in model container [2025-01-09 18:30:03,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:30:03" (1/1) ... [2025-01-09 18:30:03,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:30:04,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2025-01-09 18:30:04,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:30:05,001 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:30:05,138 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2025-01-09 18:30:05,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:30:05,261 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:30:05,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05 WrapperNode [2025-01-09 18:30:05,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:30:05,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:30:05,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:30:05,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:30:05,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,395 INFO L138 Inliner]: procedures = 175, calls = 763, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1972 [2025-01-09 18:30:05,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:30:05,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:30:05,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:30:05,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:30:05,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,627 INFO L175 MemorySlicer]: Split 365 memory accesses to 15 slices as follows [2, 2, 2, 20, 3, 10, 3, 3, 3, 2, 3, 3, 261, 44, 4]. 72 percent of accesses are in the largest equivalence class. The 61 initializations are split as follows [2, 0, 0, 15, 3, 0, 3, 3, 3, 0, 3, 3, 26, 0, 0]. The 159 writes are split as follows [0, 1, 1, 2, 0, 9, 0, 0, 0, 1, 0, 0, 100, 44, 1]. [2025-01-09 18:30:05,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,689 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:30:05,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:30:05,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:30:05,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:30:05,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (1/1) ... [2025-01-09 18:30:05,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:30:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:05,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:30:05,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:30:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2025-01-09 18:30:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2025-01-09 18:30:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-01-09 18:30:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-01-09 18:30:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2025-01-09 18:30:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:30:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-01-09 18:30:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-01-09 18:30:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2025-01-09 18:30:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 18:30:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 18:30:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 18:30:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 18:30:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:30:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:30:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2025-01-09 18:30:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:30:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:30:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:30:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2025-01-09 18:30:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2025-01-09 18:30:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:30:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2025-01-09 18:30:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2025-01-09 18:30:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2025-01-09 18:30:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2025-01-09 18:30:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2025-01-09 18:30:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 18:30:05,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 18:30:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 18:30:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 18:30:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 18:30:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 18:30:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_warn [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_warn [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 18:30:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 18:30:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2025-01-09 18:30:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2025-01-09 18:30:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2025-01-09 18:30:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-01-09 18:30:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_err [2025-01-09 18:30:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_err [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:30:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2025-01-09 18:30:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2025-01-09 18:30:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-01-09 18:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_dbg [2025-01-09 18:30:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_dbg [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2025-01-09 18:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2025-01-09 18:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2025-01-09 18:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2025-01-09 18:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2025-01-09 18:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 18:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 18:30:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 18:30:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 18:30:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 18:30:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:30:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:30:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:30:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:30:06,277 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:30:06,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:30:06,359 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:30:11,692 INFO L? ?]: Removed 906 outVars from TransFormulas that were not future-live. [2025-01-09 18:30:11,693 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:30:11,718 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:30:11,718 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 18:30:11,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:30:11 BoogieIcfgContainer [2025-01-09 18:30:11,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:30:11,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:30:11,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:30:11,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:30:11,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:30:03" (1/3) ... [2025-01-09 18:30:11,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24af9014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:30:11, skipping insertion in model container [2025-01-09 18:30:11,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:30:05" (2/3) ... [2025-01-09 18:30:11,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24af9014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:30:11, skipping insertion in model container [2025-01-09 18:30:11,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:30:11" (3/3) ... [2025-01-09 18:30:11,727 INFO L128 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2025-01-09 18:30:11,738 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:30:11,743 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i that has 68 procedures, 873 locations, 1 initial locations, 20 loop locations, and 1 error locations. [2025-01-09 18:30:11,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:30:11,848 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;@1db4b309, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:30:11,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:30:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 824 states, 583 states have (on average 1.3413379073756433) internal successors, (782), 598 states have internal predecessors, (782), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 180 states have call predecessors, (181), 181 states have call successors, (181) [2025-01-09 18:30:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-09 18:30:11,860 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:11,861 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:11,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:11,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:11,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1370599279, now seen corresponding path program 1 times [2025-01-09 18:30:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:11,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364928374] [2025-01-09 18:30:11,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:11,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:12,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-09 18:30:12,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-09 18:30:12,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:12,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-09 18:30:12,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364928374] [2025-01-09 18:30:12,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364928374] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:12,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:12,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608610493] [2025-01-09 18:30:12,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:12,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:12,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:12,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:12,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:12,791 INFO L87 Difference]: Start difference. First operand has 824 states, 583 states have (on average 1.3413379073756433) internal successors, (782), 598 states have internal predecessors, (782), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 180 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2025-01-09 18:30:16,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:16,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:16,999 INFO L93 Difference]: Finished difference Result 2401 states and 3450 transitions. [2025-01-09 18:30:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:17,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2025-01-09 18:30:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:17,024 INFO L225 Difference]: With dead ends: 2401 [2025-01-09 18:30:17,024 INFO L226 Difference]: Without dead ends: 1566 [2025-01-09 18:30:17,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:17,032 INFO L435 NwaCegarLoop]: 1142 mSDtfsCounter, 1057 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:17,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 2252 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:30:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2025-01-09 18:30:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1566. [2025-01-09 18:30:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1116 states have (on average 1.3198924731182795) internal successors, (1473), 1134 states have internal predecessors, (1473), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 342 states have call predecessors, (344), 344 states have call successors, (344) [2025-01-09 18:30:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2162 transitions. [2025-01-09 18:30:17,167 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2162 transitions. Word has length 96 [2025-01-09 18:30:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:17,169 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2162 transitions. [2025-01-09 18:30:17,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2025-01-09 18:30:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2162 transitions. [2025-01-09 18:30:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 18:30:17,176 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:17,176 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:17,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:30:17,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:17,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash -605360482, now seen corresponding path program 1 times [2025-01-09 18:30:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004880330] [2025-01-09 18:30:17,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:17,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 18:30:17,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 18:30:17,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:17,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-09 18:30:17,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:17,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004880330] [2025-01-09 18:30:17,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004880330] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:17,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:17,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:17,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764276242] [2025-01-09 18:30:17,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:17,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:17,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:17,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:17,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:17,771 INFO L87 Difference]: Start difference. First operand 1566 states and 2162 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 18:30:17,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:17,906 INFO L93 Difference]: Finished difference Result 3102 states and 4281 transitions. [2025-01-09 18:30:17,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:17,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 107 [2025-01-09 18:30:17,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:17,915 INFO L225 Difference]: With dead ends: 3102 [2025-01-09 18:30:17,915 INFO L226 Difference]: Without dead ends: 1574 [2025-01-09 18:30:17,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:17,920 INFO L435 NwaCegarLoop]: 1124 mSDtfsCounter, 1116 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 2250 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:17,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 2250 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:17,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2025-01-09 18:30:17,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1568. [2025-01-09 18:30:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1118 states have (on average 1.3184257602862255) internal successors, (1474), 1136 states have internal predecessors, (1474), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 342 states have call predecessors, (344), 344 states have call successors, (344) [2025-01-09 18:30:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2163 transitions. [2025-01-09 18:30:18,010 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2163 transitions. Word has length 107 [2025-01-09 18:30:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:18,011 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2163 transitions. [2025-01-09 18:30:18,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 18:30:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2163 transitions. [2025-01-09 18:30:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 18:30:18,019 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:18,019 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:18,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:30:18,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:18,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 134141408, now seen corresponding path program 1 times [2025-01-09 18:30:18,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:18,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051054217] [2025-01-09 18:30:18,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:18,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:18,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 18:30:18,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 18:30:18,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:18,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-09 18:30:18,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:18,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051054217] [2025-01-09 18:30:18,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051054217] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:18,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:18,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:30:18,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443780994] [2025-01-09 18:30:18,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:18,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:30:18,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:18,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:30:18,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:18,648 INFO L87 Difference]: Start difference. First operand 1568 states and 2163 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2025-01-09 18:30:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:18,841 INFO L93 Difference]: Finished difference Result 4625 states and 6419 transitions. [2025-01-09 18:30:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:30:18,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 112 [2025-01-09 18:30:18,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:18,857 INFO L225 Difference]: With dead ends: 4625 [2025-01-09 18:30:18,858 INFO L226 Difference]: Without dead ends: 3089 [2025-01-09 18:30:18,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:30:18,902 INFO L435 NwaCegarLoop]: 1165 mSDtfsCounter, 1089 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 4555 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:18,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 4555 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:30:18,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2025-01-09 18:30:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 3083. [2025-01-09 18:30:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2200 states have (on average 1.32) internal successors, (2904), 2236 states have internal predecessors, (2904), 676 states have call successors, (676), 207 states have call predecessors, (676), 206 states have return successors, (695), 671 states have call predecessors, (695), 675 states have call successors, (695) [2025-01-09 18:30:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 4275 transitions. [2025-01-09 18:30:19,025 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 4275 transitions. Word has length 112 [2025-01-09 18:30:19,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:19,026 INFO L471 AbstractCegarLoop]: Abstraction has 3083 states and 4275 transitions. [2025-01-09 18:30:19,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2025-01-09 18:30:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 4275 transitions. [2025-01-09 18:30:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2025-01-09 18:30:19,035 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:19,035 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:19,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:30:19,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:19,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:19,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1688276819, now seen corresponding path program 1 times [2025-01-09 18:30:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:19,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902925597] [2025-01-09 18:30:19,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:19,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 243 statements into 1 equivalence classes. [2025-01-09 18:30:19,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 243 of 243 statements. [2025-01-09 18:30:19,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:19,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2025-01-09 18:30:19,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:19,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902925597] [2025-01-09 18:30:19,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902925597] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:19,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:19,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:19,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035543802] [2025-01-09 18:30:19,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:19,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:19,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:19,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:19,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:19,423 INFO L87 Difference]: Start difference. First operand 3083 states and 4275 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:19,606 INFO L93 Difference]: Finished difference Result 8067 states and 11134 transitions. [2025-01-09 18:30:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:19,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 243 [2025-01-09 18:30:19,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:19,631 INFO L225 Difference]: With dead ends: 8067 [2025-01-09 18:30:19,631 INFO L226 Difference]: Without dead ends: 5022 [2025-01-09 18:30:19,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:19,642 INFO L435 NwaCegarLoop]: 1137 mSDtfsCounter, 710 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:19,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 2183 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2025-01-09 18:30:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 5011. [2025-01-09 18:30:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5011 states, 3560 states have (on average 1.3227528089887641) internal successors, (4709), 3612 states have internal predecessors, (4709), 1076 states have call successors, (1076), 375 states have call predecessors, (1076), 374 states have return successors, (1111), 1071 states have call predecessors, (1111), 1075 states have call successors, (1111) [2025-01-09 18:30:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5011 states to 5011 states and 6896 transitions. [2025-01-09 18:30:19,914 INFO L78 Accepts]: Start accepts. Automaton has 5011 states and 6896 transitions. Word has length 243 [2025-01-09 18:30:19,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:19,919 INFO L471 AbstractCegarLoop]: Abstraction has 5011 states and 6896 transitions. [2025-01-09 18:30:19,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 6896 transitions. [2025-01-09 18:30:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2025-01-09 18:30:19,941 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:19,941 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:19,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:30:19,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:19,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:19,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2144723908, now seen corresponding path program 1 times [2025-01-09 18:30:19,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:19,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523183350] [2025-01-09 18:30:19,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:19,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:20,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 223 statements into 1 equivalence classes. [2025-01-09 18:30:20,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 223 of 223 statements. [2025-01-09 18:30:20,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:20,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2025-01-09 18:30:20,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:20,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523183350] [2025-01-09 18:30:20,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523183350] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:20,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:20,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:20,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632249328] [2025-01-09 18:30:20,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:20,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:20,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:20,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:20,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:20,481 INFO L87 Difference]: Start difference. First operand 5011 states and 6896 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:20,815 INFO L93 Difference]: Finished difference Result 11870 states and 16253 transitions. [2025-01-09 18:30:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:20,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 223 [2025-01-09 18:30:20,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:20,849 INFO L225 Difference]: With dead ends: 11870 [2025-01-09 18:30:20,849 INFO L226 Difference]: Without dead ends: 6897 [2025-01-09 18:30:20,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:20,866 INFO L435 NwaCegarLoop]: 1315 mSDtfsCounter, 661 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:20,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 2280 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:30:20,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6897 states. [2025-01-09 18:30:21,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6897 to 6884. [2025-01-09 18:30:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6884 states, 4926 states have (on average 1.3112058465286236) internal successors, (6459), 5010 states have internal predecessors, (6459), 1441 states have call successors, (1441), 517 states have call predecessors, (1441), 516 states have return successors, (1488), 1432 states have call predecessors, (1488), 1440 states have call successors, (1488) [2025-01-09 18:30:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6884 states to 6884 states and 9388 transitions. [2025-01-09 18:30:21,153 INFO L78 Accepts]: Start accepts. Automaton has 6884 states and 9388 transitions. Word has length 223 [2025-01-09 18:30:21,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:21,153 INFO L471 AbstractCegarLoop]: Abstraction has 6884 states and 9388 transitions. [2025-01-09 18:30:21,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 6884 states and 9388 transitions. [2025-01-09 18:30:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-01-09 18:30:21,168 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:21,168 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:21,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:30:21,168 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:21,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:21,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1280384603, now seen corresponding path program 1 times [2025-01-09 18:30:21,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:21,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572106011] [2025-01-09 18:30:21,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:21,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-01-09 18:30:21,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-01-09 18:30:21,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:21,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2025-01-09 18:30:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:21,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572106011] [2025-01-09 18:30:21,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572106011] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:21,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:21,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:21,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408706532] [2025-01-09 18:30:21,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:21,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:21,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:21,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:21,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:21,632 INFO L87 Difference]: Start difference. First operand 6884 states and 9388 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:30:25,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:25,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:25,908 INFO L93 Difference]: Finished difference Result 16362 states and 22248 transitions. [2025-01-09 18:30:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:25,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 253 [2025-01-09 18:30:25,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:25,953 INFO L225 Difference]: With dead ends: 16362 [2025-01-09 18:30:25,954 INFO L226 Difference]: Without dead ends: 9527 [2025-01-09 18:30:25,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:25,976 INFO L435 NwaCegarLoop]: 1150 mSDtfsCounter, 976 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 1976 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:25,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 1976 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:30:25,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9527 states. [2025-01-09 18:30:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9527 to 9512. [2025-01-09 18:30:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9512 states, 6810 states have (on average 1.3073421439060207) internal successors, (8903), 6918 states have internal predecessors, (8903), 1943 states have call successors, (1943), 759 states have call predecessors, (1943), 758 states have return successors, (2006), 1934 states have call predecessors, (2006), 1942 states have call successors, (2006) [2025-01-09 18:30:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9512 states to 9512 states and 12852 transitions. [2025-01-09 18:30:26,274 INFO L78 Accepts]: Start accepts. Automaton has 9512 states and 12852 transitions. Word has length 253 [2025-01-09 18:30:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:26,275 INFO L471 AbstractCegarLoop]: Abstraction has 9512 states and 12852 transitions. [2025-01-09 18:30:26,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:30:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 9512 states and 12852 transitions. [2025-01-09 18:30:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2025-01-09 18:30:26,289 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:26,290 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:26,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:30:26,290 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:26,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1873186311, now seen corresponding path program 1 times [2025-01-09 18:30:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:26,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235581840] [2025-01-09 18:30:26,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:26,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:26,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 234 statements into 1 equivalence classes. [2025-01-09 18:30:26,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 234 of 234 statements. [2025-01-09 18:30:26,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:26,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2025-01-09 18:30:26,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:26,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235581840] [2025-01-09 18:30:26,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235581840] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:26,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:26,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:26,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812694757] [2025-01-09 18:30:26,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:26,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:26,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:26,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:26,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:26,668 INFO L87 Difference]: Start difference. First operand 9512 states and 12852 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:30:30,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:31,157 INFO L93 Difference]: Finished difference Result 25056 states and 33856 transitions. [2025-01-09 18:30:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:31,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 234 [2025-01-09 18:30:31,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:31,231 INFO L225 Difference]: With dead ends: 25056 [2025-01-09 18:30:31,232 INFO L226 Difference]: Without dead ends: 15593 [2025-01-09 18:30:31,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:31,261 INFO L435 NwaCegarLoop]: 1653 mSDtfsCounter, 913 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:31,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2645 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 18:30:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15593 states. [2025-01-09 18:30:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15593 to 15580. [2025-01-09 18:30:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15580 states, 11270 states have (on average 1.288642413487134) internal successors, (14523), 11450 states have internal predecessors, (14523), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1302 states have return successors, (3104), 2994 states have call predecessors, (3104), 3006 states have call successors, (3104) [2025-01-09 18:30:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15580 states to 15580 states and 20634 transitions. [2025-01-09 18:30:31,796 INFO L78 Accepts]: Start accepts. Automaton has 15580 states and 20634 transitions. Word has length 234 [2025-01-09 18:30:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:31,796 INFO L471 AbstractCegarLoop]: Abstraction has 15580 states and 20634 transitions. [2025-01-09 18:30:31,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:30:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 15580 states and 20634 transitions. [2025-01-09 18:30:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-01-09 18:30:31,811 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:31,813 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:31,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:30:31,814 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:31,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash -224405286, now seen corresponding path program 1 times [2025-01-09 18:30:31,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:31,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406560708] [2025-01-09 18:30:31,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:31,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:32,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-01-09 18:30:32,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-01-09 18:30:32,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:32,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-09 18:30:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406560708] [2025-01-09 18:30:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406560708] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:32,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:32,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:30:32,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161131282] [2025-01-09 18:30:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:32,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:30:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:32,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:30:32,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:32,366 INFO L87 Difference]: Start difference. First operand 15580 states and 20634 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:32,939 INFO L93 Difference]: Finished difference Result 31229 states and 41536 transitions. [2025-01-09 18:30:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:30:32,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 235 [2025-01-09 18:30:32,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:33,010 INFO L225 Difference]: With dead ends: 31229 [2025-01-09 18:30:33,010 INFO L226 Difference]: Without dead ends: 15698 [2025-01-09 18:30:33,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:33,054 INFO L435 NwaCegarLoop]: 1119 mSDtfsCounter, 0 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4471 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:33,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4471 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15698 states. [2025-01-09 18:30:33,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15698 to 15692. [2025-01-09 18:30:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15692 states, 11354 states have (on average 1.2865069579002995) internal successors, (14607), 11534 states have internal predecessors, (14607), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1330 states have return successors, (3138), 3022 states have call predecessors, (3138), 3006 states have call successors, (3138) [2025-01-09 18:30:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15692 states to 15692 states and 20752 transitions. [2025-01-09 18:30:33,741 INFO L78 Accepts]: Start accepts. Automaton has 15692 states and 20752 transitions. Word has length 235 [2025-01-09 18:30:33,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:33,742 INFO L471 AbstractCegarLoop]: Abstraction has 15692 states and 20752 transitions. [2025-01-09 18:30:33,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 15692 states and 20752 transitions. [2025-01-09 18:30:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2025-01-09 18:30:33,760 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:33,761 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:33,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:30:33,761 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:33,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:33,762 INFO L85 PathProgramCache]: Analyzing trace with hash 950575325, now seen corresponding path program 1 times [2025-01-09 18:30:33,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:33,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182994982] [2025-01-09 18:30:33,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:34,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes. [2025-01-09 18:30:34,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements. [2025-01-09 18:30:34,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:34,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-01-09 18:30:34,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:34,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182994982] [2025-01-09 18:30:34,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182994982] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:34,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:34,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:34,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095499300] [2025-01-09 18:30:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:34,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:34,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:34,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:34,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:34,330 INFO L87 Difference]: Start difference. First operand 15692 states and 20752 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-01-09 18:30:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:34,634 INFO L93 Difference]: Finished difference Result 31383 states and 41568 transitions. [2025-01-09 18:30:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:34,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 242 [2025-01-09 18:30:34,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:34,690 INFO L225 Difference]: With dead ends: 31383 [2025-01-09 18:30:34,690 INFO L226 Difference]: Without dead ends: 15740 [2025-01-09 18:30:34,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:34,721 INFO L435 NwaCegarLoop]: 1119 mSDtfsCounter, 1 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:34,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2234 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15740 states. [2025-01-09 18:30:35,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15740 to 15716. [2025-01-09 18:30:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15716 states, 11378 states have (on average 1.285902619089471) internal successors, (14631), 11558 states have internal predecessors, (14631), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1330 states have return successors, (3138), 3022 states have call predecessors, (3138), 3006 states have call successors, (3138) [2025-01-09 18:30:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15716 states to 15716 states and 20776 transitions. [2025-01-09 18:30:35,112 INFO L78 Accepts]: Start accepts. Automaton has 15716 states and 20776 transitions. Word has length 242 [2025-01-09 18:30:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:35,115 INFO L471 AbstractCegarLoop]: Abstraction has 15716 states and 20776 transitions. [2025-01-09 18:30:35,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-01-09 18:30:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 15716 states and 20776 transitions. [2025-01-09 18:30:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-01-09 18:30:35,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:35,129 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:35,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:30:35,130 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:35,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1577460779, now seen corresponding path program 1 times [2025-01-09 18:30:35,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:35,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550963316] [2025-01-09 18:30:35,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:35,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:35,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-01-09 18:30:35,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-01-09 18:30:35,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:35,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:30:35,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:35,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550963316] [2025-01-09 18:30:35,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550963316] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:35,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:35,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111355209] [2025-01-09 18:30:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:35,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:35,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:35,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:35,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:35,535 INFO L87 Difference]: Start difference. First operand 15716 states and 20776 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:35,781 INFO L93 Difference]: Finished difference Result 23603 states and 31353 transitions. [2025-01-09 18:30:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 236 [2025-01-09 18:30:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:35,839 INFO L225 Difference]: With dead ends: 23603 [2025-01-09 18:30:35,839 INFO L226 Difference]: Without dead ends: 15744 [2025-01-09 18:30:35,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:35,862 INFO L435 NwaCegarLoop]: 1120 mSDtfsCounter, 3 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:35,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2233 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:35,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15744 states. [2025-01-09 18:30:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15744 to 15744. [2025-01-09 18:30:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15744 states, 11406 states have (on average 1.2852007715237594) internal successors, (14659), 11586 states have internal predecessors, (14659), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1330 states have return successors, (3138), 3022 states have call predecessors, (3138), 3006 states have call successors, (3138) [2025-01-09 18:30:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15744 states to 15744 states and 20804 transitions. [2025-01-09 18:30:36,241 INFO L78 Accepts]: Start accepts. Automaton has 15744 states and 20804 transitions. Word has length 236 [2025-01-09 18:30:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:36,241 INFO L471 AbstractCegarLoop]: Abstraction has 15744 states and 20804 transitions. [2025-01-09 18:30:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:30:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15744 states and 20804 transitions. [2025-01-09 18:30:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-01-09 18:30:36,259 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:36,259 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:36,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 18:30:36,259 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:36,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1700776063, now seen corresponding path program 1 times [2025-01-09 18:30:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:36,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699045805] [2025-01-09 18:30:36,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:36,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:36,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:30:36,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:30:36,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:36,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2025-01-09 18:30:36,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:36,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699045805] [2025-01-09 18:30:36,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699045805] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:36,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593416226] [2025-01-09 18:30:36,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:36,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:36,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:36,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:30:36,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 18:30:37,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:30:37,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:30:37,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:37,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:37,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 18:30:37,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:30:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2025-01-09 18:30:38,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:30:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:30:39,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593416226] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:39,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-09 18:30:39,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 9] total 17 [2025-01-09 18:30:39,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819890113] [2025-01-09 18:30:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:39,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 18:30:39,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:39,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 18:30:39,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-01-09 18:30:39,862 INFO L87 Difference]: Start difference. First operand 15744 states and 20804 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2025-01-09 18:30:43,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:47,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:51,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:57,772 INFO L93 Difference]: Finished difference Result 41616 states and 57478 transitions. [2025-01-09 18:30:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 18:30:57,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) Word has length 244 [2025-01-09 18:30:57,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:57,898 INFO L225 Difference]: With dead ends: 41616 [2025-01-09 18:30:57,898 INFO L226 Difference]: Without dead ends: 33743 [2025-01-09 18:30:57,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 476 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-01-09 18:30:57,935 INFO L435 NwaCegarLoop]: 1597 mSDtfsCounter, 4675 mSDsluCounter, 3257 mSDsCounter, 0 mSdLazyCounter, 3581 mSolverCounterSat, 1566 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 4854 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 3581 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:57,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 4854 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1566 Valid, 3581 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2025-01-09 18:30:57,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33743 states. [2025-01-09 18:30:59,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33743 to 24546. [2025-01-09 18:30:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24546 states, 17677 states have (on average 1.2822877185042711) internal successors, (22667), 18031 states have internal predecessors, (22667), 4699 states have call successors, (4699), 1952 states have call predecessors, (4699), 2169 states have return successors, (5295), 4842 states have call predecessors, (5295), 4698 states have call successors, (5295) [2025-01-09 18:30:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24546 states to 24546 states and 32661 transitions. [2025-01-09 18:30:59,279 INFO L78 Accepts]: Start accepts. Automaton has 24546 states and 32661 transitions. Word has length 244 [2025-01-09 18:30:59,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:59,280 INFO L471 AbstractCegarLoop]: Abstraction has 24546 states and 32661 transitions. [2025-01-09 18:30:59,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2025-01-09 18:30:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 24546 states and 32661 transitions. [2025-01-09 18:30:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2025-01-09 18:30:59,294 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:59,294 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:59,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:30:59,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-09 18:30:59,499 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:59,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:59,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1714506156, now seen corresponding path program 1 times [2025-01-09 18:30:59,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:59,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486005370] [2025-01-09 18:30:59,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:59,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 238 statements into 1 equivalence classes. [2025-01-09 18:31:00,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 238 of 238 statements. [2025-01-09 18:31:00,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:31:00,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:31:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:31:00,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:31:00,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486005370] [2025-01-09 18:31:00,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486005370] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:31:00,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:31:00,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 18:31:00,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359300628] [2025-01-09 18:31:00,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:31:00,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 18:31:00,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:31:00,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 18:31:00,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:31:00,946 INFO L87 Difference]: Start difference. First operand 24546 states and 32661 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 18:31:04,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:31:08,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:31:13,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:31:13,758 INFO L93 Difference]: Finished difference Result 52907 states and 70510 transitions. [2025-01-09 18:31:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 18:31:13,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 238 [2025-01-09 18:31:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:31:14,081 INFO L225 Difference]: With dead ends: 52907 [2025-01-09 18:31:14,082 INFO L226 Difference]: Without dead ends: 28410 [2025-01-09 18:31:14,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2025-01-09 18:31:14,128 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 2785 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 1202 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 4152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1202 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2025-01-09 18:31:14,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 2612 Invalid, 4152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1202 Valid, 2948 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2025-01-09 18:31:14,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28410 states. [2025-01-09 18:31:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28410 to 27696. [2025-01-09 18:31:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27696 states, 19627 states have (on average 1.268303867121822) internal successors, (24893), 20135 states have internal predecessors, (24893), 5441 states have call successors, (5441), 2274 states have call predecessors, (5441), 2627 states have return successors, (6457), 5622 states have call predecessors, (6457), 5440 states have call successors, (6457) [2025-01-09 18:31:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27696 states to 27696 states and 36791 transitions. [2025-01-09 18:31:15,301 INFO L78 Accepts]: Start accepts. Automaton has 27696 states and 36791 transitions. Word has length 238 [2025-01-09 18:31:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:31:15,302 INFO L471 AbstractCegarLoop]: Abstraction has 27696 states and 36791 transitions. [2025-01-09 18:31:15,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 7 states have internal predecessors, (127), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2025-01-09 18:31:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27696 states and 36791 transitions. [2025-01-09 18:31:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-01-09 18:31:15,314 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:31:15,314 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:31:15,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 18:31:15,315 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:31:15,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:31:15,316 INFO L85 PathProgramCache]: Analyzing trace with hash 623375680, now seen corresponding path program 1 times [2025-01-09 18:31:15,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:31:15,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840299877] [2025-01-09 18:31:15,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:31:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:31:15,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 246 statements into 1 equivalence classes. [2025-01-09 18:31:15,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 246 of 246 statements. [2025-01-09 18:31:15,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:31:15,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:31:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:31:16,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:31:16,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840299877] [2025-01-09 18:31:16,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840299877] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:31:16,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:31:16,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:31:16,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445873938] [2025-01-09 18:31:16,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:31:16,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:31:16,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:31:16,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:31:16,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:31:16,147 INFO L87 Difference]: Start difference. First operand 27696 states and 36791 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 18:31:17,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:31:17,265 INFO L93 Difference]: Finished difference Result 47647 states and 63831 transitions. [2025-01-09 18:31:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:31:17,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 246 [2025-01-09 18:31:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:31:17,392 INFO L225 Difference]: With dead ends: 47647 [2025-01-09 18:31:17,392 INFO L226 Difference]: Without dead ends: 27780 [2025-01-09 18:31:17,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:31:17,447 INFO L435 NwaCegarLoop]: 1115 mSDtfsCounter, 0 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:31:17,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3339 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:31:17,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27780 states. [2025-01-09 18:31:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27780 to 27766. [2025-01-09 18:31:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27766 states, 19697 states have (on average 1.2687718941970858) internal successors, (24991), 20205 states have internal predecessors, (24991), 5441 states have call successors, (5441), 2274 states have call predecessors, (5441), 2627 states have return successors, (6457), 5622 states have call predecessors, (6457), 5440 states have call successors, (6457) [2025-01-09 18:31:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27766 states to 27766 states and 36889 transitions. [2025-01-09 18:31:19,061 INFO L78 Accepts]: Start accepts. Automaton has 27766 states and 36889 transitions. Word has length 246 [2025-01-09 18:31:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:31:19,062 INFO L471 AbstractCegarLoop]: Abstraction has 27766 states and 36889 transitions. [2025-01-09 18:31:19,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-01-09 18:31:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27766 states and 36889 transitions. [2025-01-09 18:31:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-01-09 18:31:19,073 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:31:19,073 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:31:19,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 18:31:19,074 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:31:19,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:31:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash -266347169, now seen corresponding path program 1 times [2025-01-09 18:31:19,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:31:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072089279] [2025-01-09 18:31:19,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:31:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:31:19,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-01-09 18:31:19,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-01-09 18:31:19,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:31:19,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:31:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:31:19,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:31:19,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072089279] [2025-01-09 18:31:19,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072089279] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:31:19,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454548927] [2025-01-09 18:31:19,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:31:19,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:31:19,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:31:19,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:31:19,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 18:31:20,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-01-09 18:31:20,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-01-09 18:31:20,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:31:20,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:31:20,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:31:20,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:31:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:31:20,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:31:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-09 18:31:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454548927] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:31:20,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:31:20,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-09 18:31:20,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431358097] [2025-01-09 18:31:20,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:31:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:31:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:31:20,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:31:20,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:31:20,750 INFO L87 Difference]: Start difference. First operand 27766 states and 36889 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-01-09 18:31:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:31:21,633 INFO L93 Difference]: Finished difference Result 56059 states and 74832 transitions. [2025-01-09 18:31:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:31:21,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 247 [2025-01-09 18:31:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:31:21,748 INFO L225 Difference]: With dead ends: 56059 [2025-01-09 18:31:21,748 INFO L226 Difference]: Without dead ends: 28342 [2025-01-09 18:31:21,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:31:21,808 INFO L435 NwaCegarLoop]: 1119 mSDtfsCounter, 2 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:31:21,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3349 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:31:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28342 states. [2025-01-09 18:31:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28342 to 28342. [2025-01-09 18:31:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28342 states, 20273 states have (on average 1.2611355004192768) internal successors, (25567), 20781 states have internal predecessors, (25567), 5441 states have call successors, (5441), 2274 states have call predecessors, (5441), 2627 states have return successors, (6457), 5622 states have call predecessors, (6457), 5440 states have call successors, (6457) [2025-01-09 18:31:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28342 states to 28342 states and 37465 transitions. [2025-01-09 18:31:23,219 INFO L78 Accepts]: Start accepts. Automaton has 28342 states and 37465 transitions. Word has length 247 [2025-01-09 18:31:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:31:23,219 INFO L471 AbstractCegarLoop]: Abstraction has 28342 states and 37465 transitions. [2025-01-09 18:31:23,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2025-01-09 18:31:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28342 states and 37465 transitions. [2025-01-09 18:31:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-01-09 18:31:23,234 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:31:23,234 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:31:23,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 18:31:23,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:31:23,435 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:31:23,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:31:23,435 INFO L85 PathProgramCache]: Analyzing trace with hash 190098635, now seen corresponding path program 2 times [2025-01-09 18:31:23,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:31:23,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104723778] [2025-01-09 18:31:23,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 18:31:23,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:31:23,764 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 253 statements into 2 equivalence classes. [2025-01-09 18:31:24,022 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 86 of 253 statements. [2025-01-09 18:31:24,025 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 18:31:24,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat