./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.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 b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 07:09:15,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 07:09:15,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 07:09:15,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 07:09:15,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 07:09:15,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 07:09:15,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 07:09:15,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 07:09:15,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 07:09:15,975 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 07:09:15,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 07:09:15,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 07:09:15,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 07:09:15,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 07:09:15,975 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 07:09:15,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 07:09:15,976 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 07:09:15,976 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:09:15,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 07:09:15,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 07:09:15,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 07:09:15,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 07:09:15,978 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 -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2025-02-06 07:09:16,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 07:09:16,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 07:09:16,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 07:09:16,160 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 07:09:16,160 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 07:09:16,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2025-02-06 07:09:17,265 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d5d57b72/478e72cb877740d5a9410399a5f8aa70/FLAG8dafeee87 [2025-02-06 07:09:17,750 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 07:09:17,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2025-02-06 07:09:17,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d5d57b72/478e72cb877740d5a9410399a5f8aa70/FLAG8dafeee87 [2025-02-06 07:09:17,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d5d57b72/478e72cb877740d5a9410399a5f8aa70 [2025-02-06 07:09:17,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 07:09:17,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 07:09:17,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 07:09:17,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 07:09:17,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 07:09:17,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:09:17" (1/1) ... [2025-02-06 07:09:17,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aefd0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:17, skipping insertion in model container [2025-02-06 07:09:17,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:09:17" (1/1) ... [2025-02-06 07:09:17,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 07:09:18,653 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2025-02-06 07:09:18,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:09:18,753 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 07:09:18,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5300] [2025-02-06 07:09:18,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5307] [2025-02-06 07:09:18,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5446] [2025-02-06 07:09:18,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5454] [2025-02-06 07:09:18,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1,%b0": "=a" (_v): "d" (port)); [5637] [2025-02-06 07:09:18,932 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2025-02-06 07:09:18,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:09:19,063 INFO L204 MainTranslator]: Completed translation [2025-02-06 07:09:19,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19 WrapperNode [2025-02-06 07:09:19,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 07:09:19,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 07:09:19,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 07:09:19,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 07:09:19,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,186 INFO L138 Inliner]: procedures = 152, calls = 711, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1968 [2025-02-06 07:09:19,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 07:09:19,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 07:09:19,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 07:09:19,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 07:09:19,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,363 INFO L175 MemorySlicer]: Split 327 memory accesses to 10 slices as follows [2, 4, 23, 61, 3, 4, 209, 4, 6, 11]. 64 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 0, 23, 0, 2, 2, 0, 2, 0, 8]. The 192 writes are split as follows [0, 2, 0, 61, 0, 0, 125, 0, 4, 0]. [2025-02-06 07:09:19,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 07:09:19,475 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 07:09:19,476 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 07:09:19,476 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 07:09:19,476 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (1/1) ... [2025-02-06 07:09:19,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:09:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:09:19,506 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) [2025-02-06 07:09:19,516 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 [2025-02-06 07:09:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2025-02-06 07:09:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2025-02-06 07:09:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-02-06 07:09:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 07:09:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2025-02-06 07:09:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 07:09:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 07:09:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2025-02-06 07:09:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2025-02-06 07:09:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 07:09:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 07:09:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 07:09:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 07:09:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-02-06 07:09:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-02-06 07:09:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2025-02-06 07:09:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 07:09:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-02-06 07:09:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2025-02-06 07:09:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-02-06 07:09:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-02-06 07:09:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-02-06 07:09:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 07:09:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 07:09:19,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 07:09:19,897 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 07:09:19,899 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 07:09:20,162 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc alloc_etherdev_mqs_#t~ret334#1.base, alloc_etherdev_mqs_#t~ret334#1.offset; [2025-02-06 07:09:20,162 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5314: havoc __fswab16_#t~bitwise1#1; [2025-02-06 07:09:20,162 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5876: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-02-06 07:09:20,162 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7413: havoc register_netdev_#t~nondet345#1; [2025-02-06 07:09:20,352 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5713: havoc read_byte_mode6_#t~bitwise80#1; [2025-02-06 07:09:20,353 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5697: havoc read_byte_mode4_#t~bitwise75#1; [2025-02-06 07:09:20,353 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5683: havoc read_byte_mode2_#t~bitwise72#1; [2025-02-06 07:09:20,353 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5667: havoc read_byte_mode0_#t~bitwise67#1; [2025-02-06 07:09:20,354 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 07:09:20,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6456: call ULTIMATE.dealloc(~#rx_head~0#1.base, ~#rx_head~0#1.offset);havoc ~#rx_head~0#1.base, ~#rx_head~0#1.offset; [2025-02-06 07:09:20,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7402: havoc netif_rx_#t~nondet343#1; [2025-02-06 07:09:20,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc eth_type_trans_#t~nondet338#1; [2025-02-06 07:09:20,768 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~nondet337; [2025-02-06 07:09:20,808 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7375: havoc #t~nondet339; [2025-02-06 07:09:20,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7409: havoc #t~nondet344; [2025-02-06 07:09:20,826 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~nondet336; [2025-02-06 07:09:20,831 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5569: havoc #t~mem41.base, #t~mem41.offset; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6842: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc ldv_ndo_init_3_#t~nondet340#1; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7359: havoc del_timer_sync_#t~nondet335#1; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc ldv_ndo_uninit_3_#t~nondet341#1; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5812: call ULTIMATE.dealloc(atp_init_~#ports~0#1.base, atp_init_~#ports~0#1.offset);havoc atp_init_~#ports~0#1.base, atp_init_~#ports~0#1.offset; [2025-02-06 07:09:25,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: havoc request_threaded_irq_#t~nondet346#1; [2025-02-06 07:09:26,096 INFO L? ?]: Removed 779 outVars from TransFormulas that were not future-live. [2025-02-06 07:09:26,097 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 07:09:26,132 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 07:09:26,133 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 07:09:26,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:09:26 BoogieIcfgContainer [2025-02-06 07:09:26,133 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 07:09:26,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 07:09:26,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 07:09:26,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 07:09:26,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 07:09:17" (1/3) ... [2025-02-06 07:09:26,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714538f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:09:26, skipping insertion in model container [2025-02-06 07:09:26,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:09:19" (2/3) ... [2025-02-06 07:09:26,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714538f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:09:26, skipping insertion in model container [2025-02-06 07:09:26,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:09:26" (3/3) ... [2025-02-06 07:09:26,142 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2025-02-06 07:09:26,154 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 07:09:26,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i that has 41 procedures, 924 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 07:09:26,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 07:09:26,208 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;@69a1261b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 07:09:26,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 07:09:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 927 states, 639 states have (on average 1.3708920187793427) internal successors, (876), 658 states have internal predecessors, (876), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2025-02-06 07:09:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2025-02-06 07:09:26,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:26,246 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:26,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:26,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1371324329, now seen corresponding path program 1 times [2025-02-06 07:09:26,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:26,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755026838] [2025-02-06 07:09:26,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:26,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:28,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 325 statements into 1 equivalence classes. [2025-02-06 07:09:28,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 325 of 325 statements. [2025-02-06 07:09:28,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:28,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2025-02-06 07:09:28,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:28,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755026838] [2025-02-06 07:09:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755026838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 07:09:28,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721931191] [2025-02-06 07:09:28,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:28,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 07:09:28,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:09:28,835 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) [2025-02-06 07:09:28,839 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 [2025-02-06 07:09:30,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 325 statements into 1 equivalence classes. [2025-02-06 07:09:31,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 325 of 325 statements. [2025-02-06 07:09:31,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:31,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:31,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 2625 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 07:09:31,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 07:09:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2025-02-06 07:09:31,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 07:09:31,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721931191] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:31,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 07:09:31,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 07:09:31,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574443087] [2025-02-06 07:09:31,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:31,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 07:09:31,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:31,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 07:09:31,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:09:31,309 INFO L87 Difference]: Start difference. First operand has 927 states, 639 states have (on average 1.3708920187793427) internal successors, (876), 658 states have internal predecessors, (876), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:09:31,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:31,630 INFO L93 Difference]: Finished difference Result 1849 states and 2789 transitions. [2025-02-06 07:09:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 07:09:31,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 325 [2025-02-06 07:09:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:31,650 INFO L225 Difference]: With dead ends: 1849 [2025-02-06 07:09:31,650 INFO L226 Difference]: Without dead ends: 892 [2025-02-06 07:09:31,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:09:31,667 INFO L435 NwaCegarLoop]: 1294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:31,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1294 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 07:09:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2025-02-06 07:09:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 892. [2025-02-06 07:09:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 621 states have (on average 1.328502415458937) internal successors, (825), 628 states have internal predecessors, (825), 232 states have call successors, (232), 39 states have call predecessors, (232), 38 states have return successors, (231), 230 states have call predecessors, (231), 231 states have call successors, (231) [2025-02-06 07:09:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1288 transitions. [2025-02-06 07:09:31,794 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1288 transitions. Word has length 325 [2025-02-06 07:09:31,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:31,795 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1288 transitions. [2025-02-06 07:09:31,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-02-06 07:09:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1288 transitions. [2025-02-06 07:09:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2025-02-06 07:09:31,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:31,815 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:31,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 07:09:32,016 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,SelfDestructingSolverStorable0 [2025-02-06 07:09:32,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:32,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:32,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1393249255, now seen corresponding path program 1 times [2025-02-06 07:09:32,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:32,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277815393] [2025-02-06 07:09:32,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:32,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:33,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 325 statements into 1 equivalence classes. [2025-02-06 07:09:33,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 325 of 325 statements. [2025-02-06 07:09:33,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:33,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2025-02-06 07:09:34,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:34,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277815393] [2025-02-06 07:09:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277815393] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:34,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:34,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:09:34,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786488085] [2025-02-06 07:09:34,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:34,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:09:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:34,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:09:34,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:09:34,548 INFO L87 Difference]: Start difference. First operand 892 states and 1288 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-02-06 07:09:36,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:36,285 INFO L93 Difference]: Finished difference Result 2656 states and 3837 transitions. [2025-02-06 07:09:36,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:09:36,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 325 [2025-02-06 07:09:36,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:36,309 INFO L225 Difference]: With dead ends: 2656 [2025-02-06 07:09:36,309 INFO L226 Difference]: Without dead ends: 1771 [2025-02-06 07:09:36,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:09:36,315 INFO L435 NwaCegarLoop]: 1582 mSDtfsCounter, 1266 mSDsluCounter, 4378 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:36,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 5960 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 07:09:36,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2025-02-06 07:09:36,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1768. [2025-02-06 07:09:36,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1231 states have (on average 1.3273761169780667) internal successors, (1634), 1245 states have internal predecessors, (1634), 460 states have call successors, (460), 77 states have call predecessors, (460), 76 states have return successors, (459), 457 states have call predecessors, (459), 459 states have call successors, (459) [2025-02-06 07:09:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2553 transitions. [2025-02-06 07:09:36,406 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2553 transitions. Word has length 325 [2025-02-06 07:09:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:36,406 INFO L471 AbstractCegarLoop]: Abstraction has 1768 states and 2553 transitions. [2025-02-06 07:09:36,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-02-06 07:09:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2553 transitions. [2025-02-06 07:09:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2025-02-06 07:09:36,420 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:36,421 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:36,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 07:09:36,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:36,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2014169107, now seen corresponding path program 1 times [2025-02-06 07:09:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:36,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789619820] [2025-02-06 07:09:36,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:36,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:38,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 324 statements into 1 equivalence classes. [2025-02-06 07:09:38,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 324 of 324 statements. [2025-02-06 07:09:38,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:38,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2025-02-06 07:09:38,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:38,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789619820] [2025-02-06 07:09:38,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789619820] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:38,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:38,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:09:38,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476715448] [2025-02-06 07:09:38,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:38,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:09:38,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:38,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:09:38,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:09:38,602 INFO L87 Difference]: Start difference. First operand 1768 states and 2553 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-02-06 07:09:40,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:40,384 INFO L93 Difference]: Finished difference Result 5283 states and 7630 transitions. [2025-02-06 07:09:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:09:40,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 324 [2025-02-06 07:09:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:40,412 INFO L225 Difference]: With dead ends: 5283 [2025-02-06 07:09:40,413 INFO L226 Difference]: Without dead ends: 3519 [2025-02-06 07:09:40,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:09:40,426 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 1265 mSDsluCounter, 4387 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:40,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 5974 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 07:09:40,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states. [2025-02-06 07:09:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 3516. [2025-02-06 07:09:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3516 states, 2448 states have (on average 1.3255718954248366) internal successors, (3245), 2476 states have internal predecessors, (3245), 915 states have call successors, (915), 153 states have call predecessors, (915), 152 states have return successors, (914), 910 states have call predecessors, (914), 914 states have call successors, (914) [2025-02-06 07:09:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3516 states and 5074 transitions. [2025-02-06 07:09:40,579 INFO L78 Accepts]: Start accepts. Automaton has 3516 states and 5074 transitions. Word has length 324 [2025-02-06 07:09:40,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:40,580 INFO L471 AbstractCegarLoop]: Abstraction has 3516 states and 5074 transitions. [2025-02-06 07:09:40,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-02-06 07:09:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3516 states and 5074 transitions. [2025-02-06 07:09:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2025-02-06 07:09:40,595 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:40,596 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:40,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 07:09:40,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:40,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1212749069, now seen corresponding path program 1 times [2025-02-06 07:09:40,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:40,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051480570] [2025-02-06 07:09:40,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:40,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:42,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-02-06 07:09:42,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-02-06 07:09:42,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:42,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2025-02-06 07:09:42,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:42,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051480570] [2025-02-06 07:09:42,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051480570] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:42,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:42,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:09:42,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687882044] [2025-02-06 07:09:42,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:42,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:09:42,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:42,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:09:42,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:09:42,916 INFO L87 Difference]: Start difference. First operand 3516 states and 5074 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-02-06 07:09:44,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:44,642 INFO L93 Difference]: Finished difference Result 10521 states and 15185 transitions. [2025-02-06 07:09:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:09:44,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 362 [2025-02-06 07:09:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:44,687 INFO L225 Difference]: With dead ends: 10521 [2025-02-06 07:09:44,688 INFO L226 Difference]: Without dead ends: 7003 [2025-02-06 07:09:44,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:09:44,708 INFO L435 NwaCegarLoop]: 1648 mSDtfsCounter, 1261 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 6154 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:44,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 6154 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 07:09:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7003 states. [2025-02-06 07:09:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 6992. [2025-02-06 07:09:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6992 states, 4864 states have (on average 1.32421875) internal successors, (6441), 4928 states have internal predecessors, (6441), 1823 states have call successors, (1823), 305 states have call predecessors, (1823), 304 states have return successors, (1822), 1806 states have call predecessors, (1822), 1822 states have call successors, (1822) [2025-02-06 07:09:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10086 transitions. [2025-02-06 07:09:45,002 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10086 transitions. Word has length 362 [2025-02-06 07:09:45,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:45,005 INFO L471 AbstractCegarLoop]: Abstraction has 6992 states and 10086 transitions. [2025-02-06 07:09:45,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-02-06 07:09:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10086 transitions. [2025-02-06 07:09:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2025-02-06 07:09:45,109 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:45,109 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:45,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 07:09:45,110 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:45,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:45,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1984345221, now seen corresponding path program 1 times [2025-02-06 07:09:45,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:45,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178590378] [2025-02-06 07:09:45,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:46,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 365 statements into 1 equivalence classes. [2025-02-06 07:09:46,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 365 of 365 statements. [2025-02-06 07:09:46,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:46,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2025-02-06 07:09:47,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:47,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178590378] [2025-02-06 07:09:47,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178590378] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:47,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:47,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:09:47,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023491606] [2025-02-06 07:09:47,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:47,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:09:47,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:47,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:09:47,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:09:47,274 INFO L87 Difference]: Start difference. First operand 6992 states and 10086 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-02-06 07:09:48,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:48,897 INFO L93 Difference]: Finished difference Result 20736 states and 29884 transitions. [2025-02-06 07:09:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:09:48,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 365 [2025-02-06 07:09:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:48,982 INFO L225 Difference]: With dead ends: 20736 [2025-02-06 07:09:48,982 INFO L226 Difference]: Without dead ends: 13730 [2025-02-06 07:09:49,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:09:49,016 INFO L435 NwaCegarLoop]: 1242 mSDtfsCounter, 1268 mSDsluCounter, 3701 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:49,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 4943 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 07:09:49,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13730 states. [2025-02-06 07:09:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13730 to 13727. [2025-02-06 07:09:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13727 states, 9555 states have (on average 1.3215070643642073) internal successors, (12627), 9675 states have internal predecessors, (12627), 3567 states have call successors, (3567), 605 states have call predecessors, (3567), 604 states have return successors, (3566), 3539 states have call predecessors, (3566), 3566 states have call successors, (3566) [2025-02-06 07:09:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13727 states to 13727 states and 19760 transitions. [2025-02-06 07:09:49,501 INFO L78 Accepts]: Start accepts. Automaton has 13727 states and 19760 transitions. Word has length 365 [2025-02-06 07:09:49,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:49,502 INFO L471 AbstractCegarLoop]: Abstraction has 13727 states and 19760 transitions. [2025-02-06 07:09:49,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-02-06 07:09:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13727 states and 19760 transitions. [2025-02-06 07:09:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2025-02-06 07:09:49,529 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:49,530 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 07:09:49,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 07:09:49,530 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:49,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:49,531 INFO L85 PathProgramCache]: Analyzing trace with hash 480384174, now seen corresponding path program 1 times [2025-02-06 07:09:49,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:49,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189621707] [2025-02-06 07:09:49,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:51,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 351 statements into 1 equivalence classes. [2025-02-06 07:09:51,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 351 of 351 statements. [2025-02-06 07:09:51,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:51,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1726 trivial. 0 not checked. [2025-02-06 07:09:51,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:51,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189621707] [2025-02-06 07:09:51,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189621707] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:51,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:51,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:09:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736312575] [2025-02-06 07:09:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:51,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:09:51,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:51,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:09:51,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:09:51,655 INFO L87 Difference]: Start difference. First operand 13727 states and 19760 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2025-02-06 07:09:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:09:53,138 INFO L93 Difference]: Finished difference Result 36897 states and 53297 transitions. [2025-02-06 07:09:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:09:53,139 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 351 [2025-02-06 07:09:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:09:53,388 INFO L225 Difference]: With dead ends: 36897 [2025-02-06 07:09:53,388 INFO L226 Difference]: Without dead ends: 23164 [2025-02-06 07:09:53,427 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 [2025-02-06 07:09:53,427 INFO L435 NwaCegarLoop]: 1650 mSDtfsCounter, 911 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 07:09:53,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 2821 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 07:09:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23164 states. [2025-02-06 07:09:54,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23164 to 23001. [2025-02-06 07:09:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23001 states, 15998 states have (on average 1.323852981622703) internal successors, (21179), 16206 states have internal predecessors, (21179), 6033 states have call successors, (6033), 970 states have call predecessors, (6033), 969 states have return successors, (6096), 5962 states have call predecessors, (6096), 6032 states have call successors, (6096) [2025-02-06 07:09:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23001 states to 23001 states and 33308 transitions. [2025-02-06 07:09:54,165 INFO L78 Accepts]: Start accepts. Automaton has 23001 states and 33308 transitions. Word has length 351 [2025-02-06 07:09:54,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:09:54,166 INFO L471 AbstractCegarLoop]: Abstraction has 23001 states and 33308 transitions. [2025-02-06 07:09:54,166 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2025-02-06 07:09:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 23001 states and 33308 transitions. [2025-02-06 07:09:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2025-02-06 07:09:54,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:09:54,200 INFO L218 NwaCegarLoop]: trace histogram [113, 113, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:09:54,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 07:09:54,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:09:54,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:09:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1262710546, now seen corresponding path program 1 times [2025-02-06 07:09:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:09:54,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142398630] [2025-02-06 07:09:54,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:09:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:09:56,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 933 statements into 1 equivalence classes. [2025-02-06 07:09:56,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 933 of 933 statements. [2025-02-06 07:09:56,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:09:56,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:09:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 19852 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19847 trivial. 0 not checked. [2025-02-06 07:09:57,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:09:57,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142398630] [2025-02-06 07:09:57,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142398630] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:09:57,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:09:57,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:09:57,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925685946] [2025-02-06 07:09:57,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:09:57,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:09:57,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:09:57,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:09:57,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:09:57,308 INFO L87 Difference]: Start difference. First operand 23001 states and 33308 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2025-02-06 07:10:01,332 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 [] [2025-02-06 07:10:12,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:12,595 INFO L93 Difference]: Finished difference Result 106127 states and 154577 transitions. [2025-02-06 07:10:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:10:12,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 933 [2025-02-06 07:10:12,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:13,174 INFO L225 Difference]: With dead ends: 106127 [2025-02-06 07:10:13,175 INFO L226 Difference]: Without dead ends: 83146 [2025-02-06 07:10:13,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 07:10:13,389 INFO L435 NwaCegarLoop]: 2736 mSDtfsCounter, 3308 mSDsluCounter, 4382 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 560 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 7118 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2025-02-06 07:10:13,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 7118 Invalid, 1949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 1388 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2025-02-06 07:10:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83146 states. [2025-02-06 07:10:16,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83146 to 83137. [2025-02-06 07:10:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83137 states, 58436 states have (on average 1.3176979943870217) internal successors, (77001), 59252 states have internal predecessors, (77001), 20983 states have call successors, (20983), 3718 states have call predecessors, (20983), 3717 states have return successors, (21852), 20718 states have call predecessors, (21852), 20982 states have call successors, (21852) [2025-02-06 07:10:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83137 states to 83137 states and 119836 transitions. [2025-02-06 07:10:16,720 INFO L78 Accepts]: Start accepts. Automaton has 83137 states and 119836 transitions. Word has length 933 [2025-02-06 07:10:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:10:16,721 INFO L471 AbstractCegarLoop]: Abstraction has 83137 states and 119836 transitions. [2025-02-06 07:10:16,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 5 states have internal predecessors, (205), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2025-02-06 07:10:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 83137 states and 119836 transitions. [2025-02-06 07:10:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2025-02-06 07:10:16,802 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:16,802 INFO L218 NwaCegarLoop]: trace histogram [106, 106, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:10:16,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 07:10:16,802 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:16,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash -21084543, now seen corresponding path program 1 times [2025-02-06 07:10:16,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:16,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648205324] [2025-02-06 07:10:16,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:16,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:10:19,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 899 statements into 1 equivalence classes. [2025-02-06 07:10:19,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 899 of 899 statements. [2025-02-06 07:10:19,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:19,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17471 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17466 trivial. 0 not checked. [2025-02-06 07:10:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:10:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648205324] [2025-02-06 07:10:19,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648205324] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:10:19,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:10:19,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 07:10:19,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597711787] [2025-02-06 07:10:19,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:10:19,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 07:10:19,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:10:19,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 07:10:19,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 07:10:19,847 INFO L87 Difference]: Start difference. First operand 83137 states and 119836 transitions. Second operand has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2025-02-06 07:10:23,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:23,041 INFO L93 Difference]: Finished difference Result 166058 states and 239070 transitions. [2025-02-06 07:10:23,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 07:10:23,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 899 [2025-02-06 07:10:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:23,586 INFO L225 Difference]: With dead ends: 166058 [2025-02-06 07:10:23,586 INFO L226 Difference]: Without dead ends: 82945 [2025-02-06 07:10:23,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:10:23,925 INFO L435 NwaCegarLoop]: 1237 mSDtfsCounter, 1264 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 07:10:23,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 2473 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 07:10:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82945 states. [2025-02-06 07:10:27,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82945 to 82945. [2025-02-06 07:10:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82945 states, 58340 states have (on average 1.3149297223174494) internal successors, (76713), 59156 states have internal predecessors, (76713), 20887 states have call successors, (20887), 3718 states have call predecessors, (20887), 3717 states have return successors, (21468), 20622 states have call predecessors, (21468), 20886 states have call successors, (21468) [2025-02-06 07:10:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82945 states to 82945 states and 119068 transitions. [2025-02-06 07:10:28,185 INFO L78 Accepts]: Start accepts. Automaton has 82945 states and 119068 transitions. Word has length 899 [2025-02-06 07:10:28,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:10:28,186 INFO L471 AbstractCegarLoop]: Abstraction has 82945 states and 119068 transitions. [2025-02-06 07:10:28,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 3 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2025-02-06 07:10:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 82945 states and 119068 transitions. [2025-02-06 07:10:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2025-02-06 07:10:28,251 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:28,252 INFO L218 NwaCegarLoop]: trace histogram [107, 107, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:10:28,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 07:10:28,252 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:28,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:28,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1061228881, now seen corresponding path program 1 times [2025-02-06 07:10:28,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:28,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733670926] [2025-02-06 07:10:28,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:28,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:10:30,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 914 statements into 1 equivalence classes. [2025-02-06 07:10:30,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 914 of 914 statements. [2025-02-06 07:10:30,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:30,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17792 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17787 trivial. 0 not checked. [2025-02-06 07:10:30,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:10:30,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733670926] [2025-02-06 07:10:30,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733670926] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:10:30,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:10:30,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:10:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983453450] [2025-02-06 07:10:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:10:30,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:10:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:10:30,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:10:30,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:10:30,931 INFO L87 Difference]: Start difference. First operand 82945 states and 119068 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2025-02-06 07:10:34,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:34,160 INFO L93 Difference]: Finished difference Result 166698 states and 239774 transitions. [2025-02-06 07:10:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:10:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 914 [2025-02-06 07:10:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:34,874 INFO L225 Difference]: With dead ends: 166698 [2025-02-06 07:10:34,874 INFO L226 Difference]: Without dead ends: 83777 [2025-02-06 07:10:35,223 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 [2025-02-06 07:10:35,224 INFO L435 NwaCegarLoop]: 1230 mSDtfsCounter, 8 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 07:10:35,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2451 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 07:10:35,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83777 states.