./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:56:38,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:56:38,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:56:38,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:56:38,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:56:38,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:56:38,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:56:38,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:56:38,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:56:38,488 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:56:38,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:56:38,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:56:38,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:56:38,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:56:38,490 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:56:38,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:56:38,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:56:38,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:56:38,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:56:38,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:56:38,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:56:38,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:56:38,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:56:38,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:56:38,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:56:38,493 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2025-03-04 03:56:38,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:56:38,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:56:38,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:56:38,726 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:56:38,726 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:56:38,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-04 03:56:39,847 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baba0cd46/38dedf257f394a21872203aa8b7b6ee5/FLAG675853cc1 [2025-03-04 03:56:40,243 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:56:40,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-04 03:56:40,274 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baba0cd46/38dedf257f394a21872203aa8b7b6ee5/FLAG675853cc1 [2025-03-04 03:56:40,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baba0cd46/38dedf257f394a21872203aa8b7b6ee5 [2025-03-04 03:56:40,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:56:40,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:56:40,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:56:40,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:56:40,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:56:40,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:56:40" (1/1) ... [2025-03-04 03:56:40,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a4df3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:40, skipping insertion in model container [2025-03-04 03:56:40,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:56:40" (1/1) ... [2025-03-04 03:56:40,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:56:41,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-03-04 03:56:41,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:56:41,608 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:56:41,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2025-03-04 03:56:41,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:56:41,882 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:56:41,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41 WrapperNode [2025-03-04 03:56:41,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:56:41,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:56:41,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:56:41,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:56:41,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:41,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,040 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2025-03-04 03:56:42,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:56:42,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:56:42,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:56:42,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:56:42,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,170 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 5, 1, 5, 3, 4, 46, 5, 2, 1025, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 5, 0, 5, 3, 4, 0, 0, 0, 1020, 1020, 0, 0]. The 45 writes are split as follows [0, 0, 1, 0, 0, 0, 8, 3, 1, 2, 0, 15, 15]. [2025-03-04 03:56:42,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,225 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:56:42,327 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:56:42,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:56:42,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:56:42,329 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (1/1) ... [2025-03-04 03:56:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:56:42,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:56:42,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:56:42,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2025-03-04 03:56:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:56:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 03:56:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 03:56:42,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2025-03-04 03:56:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:56:42,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 03:56:42,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2025-03-04 03:56:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 03:56:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 03:56:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 03:56:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 03:56:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 03:56:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-03-04 03:56:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-03-04 03:56:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2025-03-04 03:56:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 03:56:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 03:56:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 03:56:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 03:56:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 03:56:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2025-03-04 03:56:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2025-03-04 03:56:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2025-03-04 03:56:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2025-03-04 03:56:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 03:56:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2025-03-04 03:56:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 03:56:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:56:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:56:42,860 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:56:42,863 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:56:43,012 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5341: call ULTIMATE.dealloc(~#low~0#1.base, ~#low~0#1.offset);havoc ~#low~0#1.base, ~#low~0#1.offset;call ULTIMATE.dealloc(~#high~0#1.base, ~#high~0#1.offset);havoc ~#high~0#1.base, ~#high~0#1.offset; [2025-03-04 03:56:43,190 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7526: havoc #t~nondet396; [2025-03-04 03:56:43,195 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7530: havoc #t~nondet397; [2025-03-04 03:56:43,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7538: havoc msecs_to_jiffies_#t~nondet399#1; [2025-03-04 03:56:43,339 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7534: havoc mod_timer_#t~nondet398#1; [2025-03-04 03:56:43,379 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5599: havoc #t~mem172.base, #t~mem172.offset;havoc #t~mem174.base, #t~mem174.offset;havoc #t~mem173;havoc #t~mem175; [2025-03-04 03:56:43,380 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5597: havoc #t~mem171; [2025-03-04 03:56:43,837 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5588: havoc #t~mem164;havoc #t~mem162.base, #t~mem162.offset;havoc #t~mem163;havoc #t~mem165.base, #t~mem165.offset;havoc #t~mem166;havoc #t~short167; [2025-03-04 03:56:43,943 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7507: havoc del_timer_#t~nondet395#1; [2025-03-04 03:56:46,352 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5104: call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key~0#1.base, mv88e6xxx_ppu_state_init_~#__key~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___0~0#1.base, mv88e6xxx_ppu_state_init_~#__key___0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.base, mv88e6xxx_ppu_state_init_~#__constr_expr_0~0#1.offset;call ULTIMATE.dealloc(mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset);havoc mv88e6xxx_ppu_state_init_~#__key___1~0#1.base, mv88e6xxx_ppu_state_init_~#__key___1~0#1.offset; [2025-03-04 03:56:46,353 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6636: call ULTIMATE.dealloc(mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset);havoc mv88e6131_setup_~#__key~2#1.base, mv88e6131_setup_~#__key~2#1.offset;call ULTIMATE.dealloc(mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset);havoc mv88e6131_setup_~#__key___0~2#1.base, mv88e6131_setup_~#__key___0~2#1.offset; [2025-03-04 03:56:46,508 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2025-03-04 03:56:46,508 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:56:46,545 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:56:46,549 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:56:46,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:56:46 BoogieIcfgContainer [2025-03-04 03:56:46,550 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:56:46,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:56:46,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:56:46,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:56:46,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:56:40" (1/3) ... [2025-03-04 03:56:46,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4908e9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:56:46, skipping insertion in model container [2025-03-04 03:56:46,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:56:41" (2/3) ... [2025-03-04 03:56:46,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4908e9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:56:46, skipping insertion in model container [2025-03-04 03:56:46,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:56:46" (3/3) ... [2025-03-04 03:56:46,557 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2025-03-04 03:56:46,568 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:56:46,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i that has 44 procedures, 671 locations, 1 initial locations, 26 loop locations, and 1 error locations. [2025-03-04 03:56:46,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:56:46,633 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;@3dece7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:56:46,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:56:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2025-03-04 03:56:46,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-04 03:56:46,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:46,644 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:56:46,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:46,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:46,648 INFO L85 PathProgramCache]: Analyzing trace with hash -660261378, now seen corresponding path program 1 times [2025-03-04 03:56:46,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:46,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61734299] [2025-03-04 03:56:46,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:46,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:47,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 03:56:47,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 03:56:47,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:47,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:47,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:47,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61734299] [2025-03-04 03:56:47,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61734299] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:47,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:47,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:47,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109657648] [2025-03-04 03:56:47,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:47,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:47,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:47,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:47,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:47,891 INFO L87 Difference]: Start difference. First operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:48,484 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2025-03-04 03:56:48,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:48,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-03-04 03:56:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:48,502 INFO L225 Difference]: With dead ends: 1213 [2025-03-04 03:56:48,502 INFO L226 Difference]: Without dead ends: 602 [2025-03-04 03:56:48,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:48,514 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:48,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 844 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 03:56:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-03-04 03:56:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2025-03-04 03:56:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 442 states have (on average 1.4027149321266967) internal successors, (620), 455 states have internal predecessors, (620), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-03-04 03:56:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2025-03-04 03:56:48,607 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2025-03-04 03:56:48,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:48,608 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2025-03-04 03:56:48,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2025-03-04 03:56:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-04 03:56:48,611 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:48,611 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:56:48,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:56:48,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:48,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1006018243, now seen corresponding path program 1 times [2025-03-04 03:56:48,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:48,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110133414] [2025-03-04 03:56:48,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:48,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:48,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-04 03:56:48,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-04 03:56:48,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:48,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:49,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:49,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110133414] [2025-03-04 03:56:49,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110133414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:49,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:49,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:49,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480117353] [2025-03-04 03:56:49,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:49,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:49,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:49,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:49,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:49,368 INFO L87 Difference]: Start difference. First operand 602 states and 869 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:50,034 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2025-03-04 03:56:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:50,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-04 03:56:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:50,042 INFO L225 Difference]: With dead ends: 604 [2025-03-04 03:56:50,042 INFO L226 Difference]: Without dead ends: 601 [2025-03-04 03:56:50,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:50,043 INFO L435 NwaCegarLoop]: 834 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:50,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 836 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 03:56:50,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-03-04 03:56:50,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2025-03-04 03:56:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 442 states have (on average 1.4004524886877827) internal successors, (619), 454 states have internal predecessors, (619), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-03-04 03:56:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2025-03-04 03:56:50,090 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2025-03-04 03:56:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:50,090 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2025-03-04 03:56:50,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2025-03-04 03:56:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-04 03:56:50,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:50,092 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:56:50,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 03:56:50,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1121077919, now seen corresponding path program 1 times [2025-03-04 03:56:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:50,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400849670] [2025-03-04 03:56:50,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:50,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 03:56:50,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 03:56:50,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:50,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:50,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:50,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400849670] [2025-03-04 03:56:50,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400849670] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:50,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:50,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:50,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212457373] [2025-03-04 03:56:50,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:50,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:50,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:50,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:50,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:50,648 INFO L87 Difference]: Start difference. First operand 601 states and 867 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:51,560 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2025-03-04 03:56:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:51,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-03-04 03:56:51,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:51,567 INFO L225 Difference]: With dead ends: 1748 [2025-03-04 03:56:51,567 INFO L226 Difference]: Without dead ends: 1153 [2025-03-04 03:56:51,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:51,570 INFO L435 NwaCegarLoop]: 1247 mSDtfsCounter, 807 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:51,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2053 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 03:56:51,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2025-03-04 03:56:51,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2025-03-04 03:56:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 850 states have (on average 1.3988235294117648) internal successors, (1189), 864 states have internal predecessors, (1189), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2025-03-04 03:56:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2025-03-04 03:56:51,652 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2025-03-04 03:56:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:51,652 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2025-03-04 03:56:51,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2025-03-04 03:56:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 03:56:51,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:51,654 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:56:51,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 03:56:51,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:51,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:51,655 INFO L85 PathProgramCache]: Analyzing trace with hash 392959556, now seen corresponding path program 1 times [2025-03-04 03:56:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:51,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599279147] [2025-03-04 03:56:51,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:51,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:51,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 03:56:52,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 03:56:52,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:52,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599279147] [2025-03-04 03:56:52,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599279147] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:52,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:52,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823008887] [2025-03-04 03:56:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:52,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:52,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:52,236 INFO L87 Difference]: Start difference. First operand 1146 states and 1659 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:52,881 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2025-03-04 03:56:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:52,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-03-04 03:56:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:52,888 INFO L225 Difference]: With dead ends: 1238 [2025-03-04 03:56:52,888 INFO L226 Difference]: Without dead ends: 1234 [2025-03-04 03:56:52,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:52,889 INFO L435 NwaCegarLoop]: 839 mSDtfsCounter, 796 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:52,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 946 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 03:56:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-03-04 03:56:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2025-03-04 03:56:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 916 states have (on average 1.3951965065502183) internal successors, (1278), 928 states have internal predecessors, (1278), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2025-03-04 03:56:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2025-03-04 03:56:52,943 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2025-03-04 03:56:52,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:52,943 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2025-03-04 03:56:52,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2025-03-04 03:56:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 03:56:52,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:52,943 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:56:52,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 03:56:52,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:52,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -703874240, now seen corresponding path program 1 times [2025-03-04 03:56:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:52,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221434516] [2025-03-04 03:56:52,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:53,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 03:56:53,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 03:56:53,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:53,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:53,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:53,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221434516] [2025-03-04 03:56:53,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221434516] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:53,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:53,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:53,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077523521] [2025-03-04 03:56:53,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:53,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:53,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:53,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:53,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:53,416 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:54,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:54,119 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2025-03-04 03:56:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:54,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-03-04 03:56:54,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:54,125 INFO L225 Difference]: With dead ends: 1438 [2025-03-04 03:56:54,126 INFO L226 Difference]: Without dead ends: 1428 [2025-03-04 03:56:54,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:54,127 INFO L435 NwaCegarLoop]: 895 mSDtfsCounter, 751 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:54,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1111 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 03:56:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2025-03-04 03:56:54,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2025-03-04 03:56:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1051 states have (on average 1.3815413891531874) internal successors, (1452), 1061 states have internal predecessors, (1452), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2025-03-04 03:56:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2025-03-04 03:56:54,186 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2025-03-04 03:56:54,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:54,186 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2025-03-04 03:56:54,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-04 03:56:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2025-03-04 03:56:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 03:56:54,191 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:54,191 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:54,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 03:56:54,191 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:54,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:54,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1226343525, now seen corresponding path program 1 times [2025-03-04 03:56:54,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:54,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191115526] [2025-03-04 03:56:54,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:54,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 03:56:54,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 03:56:54,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:54,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:54,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191115526] [2025-03-04 03:56:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191115526] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:54,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:54,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 03:56:54,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532050513] [2025-03-04 03:56:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:54,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:56:54,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:54,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:56:54,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 03:56:54,958 INFO L87 Difference]: Start difference. First operand 1425 states and 2021 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 03:56:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:55,194 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2025-03-04 03:56:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:56:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2025-03-04 03:56:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:55,202 INFO L225 Difference]: With dead ends: 2849 [2025-03-04 03:56:55,203 INFO L226 Difference]: Without dead ends: 1430 [2025-03-04 03:56:55,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 03:56:55,209 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:55,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:56:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-04 03:56:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-03-04 03:56:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1055 states have (on average 1.3800947867298579) internal successors, (1456), 1065 states have internal predecessors, (1456), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 279 states have call predecessors, (286), 278 states have call successors, (286) [2025-03-04 03:56:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2025-03-04 03:56:55,284 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 51 [2025-03-04 03:56:55,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:55,284 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2025-03-04 03:56:55,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 03:56:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2025-03-04 03:56:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-04 03:56:55,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:55,286 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:55,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 03:56:55,286 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:55,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash -447547072, now seen corresponding path program 1 times [2025-03-04 03:56:55,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:55,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471561995] [2025-03-04 03:56:55,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:55,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:55,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 03:56:55,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 03:56:55,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:55,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:56:55,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:55,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471561995] [2025-03-04 03:56:55,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471561995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:55,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:55,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 03:56:55,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052905746] [2025-03-04 03:56:55,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:55,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 03:56:55,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:55,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 03:56:55,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 03:56:55,967 INFO L87 Difference]: Start difference. First operand 1430 states and 2029 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 03:56:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:56,162 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2025-03-04 03:56:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 03:56:56,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2025-03-04 03:56:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:56,173 INFO L225 Difference]: With dead ends: 2856 [2025-03-04 03:56:56,173 INFO L226 Difference]: Without dead ends: 1432 [2025-03-04 03:56:56,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 03:56:56,177 INFO L435 NwaCegarLoop]: 822 mSDtfsCounter, 0 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:56,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4096 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:56:56,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-04 03:56:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-03-04 03:56:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1057 states have (on average 1.3793755912961212) internal successors, (1458), 1066 states have internal predecessors, (1458), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-03-04 03:56:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2025-03-04 03:56:56,226 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 50 [2025-03-04 03:56:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:56,227 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2025-03-04 03:56:56,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-04 03:56:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2025-03-04 03:56:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-04 03:56:56,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:56,230 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:56,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 03:56:56,230 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash 207895425, now seen corresponding path program 1 times [2025-03-04 03:56:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:56,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162604563] [2025-03-04 03:56:56,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:56,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-04 03:56:56,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-04 03:56:56,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:56,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:56:56,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:56,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162604563] [2025-03-04 03:56:56,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162604563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:56,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:56,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:56,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005562759] [2025-03-04 03:56:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:56,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:56,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:56,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:56,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:56,817 INFO L87 Difference]: Start difference. First operand 1432 states and 2031 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 03:56:57,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:57,410 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2025-03-04 03:56:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:57,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2025-03-04 03:56:57,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:57,417 INFO L225 Difference]: With dead ends: 1434 [2025-03-04 03:56:57,418 INFO L226 Difference]: Without dead ends: 1431 [2025-03-04 03:56:57,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:57,419 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 99 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:57,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1636 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 03:56:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2025-03-04 03:56:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2025-03-04 03:56:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1057 states have (on average 1.3755912961210974) internal successors, (1454), 1065 states have internal predecessors, (1454), 286 states have call successors, (286), 90 states have call predecessors, (286), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-03-04 03:56:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2025-03-04 03:56:57,466 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2025-03-04 03:56:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:57,467 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2025-03-04 03:56:57,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 03:56:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2025-03-04 03:56:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-04 03:56:57,468 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:57,469 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 03:56:57,469 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash -11237816, now seen corresponding path program 1 times [2025-03-04 03:56:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:57,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784934074] [2025-03-04 03:56:57,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:57,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 03:56:57,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 03:56:57,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:57,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:56:58,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:58,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784934074] [2025-03-04 03:56:58,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784934074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:58,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:58,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706390617] [2025-03-04 03:56:58,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:58,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:58,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:58,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:58,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:58,086 INFO L87 Difference]: Start difference. First operand 1431 states and 2026 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-04 03:56:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:58,712 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2025-03-04 03:56:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:58,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2025-03-04 03:56:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:58,721 INFO L225 Difference]: With dead ends: 1433 [2025-03-04 03:56:58,722 INFO L226 Difference]: Without dead ends: 1430 [2025-03-04 03:56:58,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:58,724 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 210 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:58,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1608 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 03:56:58,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-04 03:56:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2025-03-04 03:56:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3736991485335857) internal successors, (1452), 1064 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2025-03-04 03:56:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2025-03-04 03:56:58,776 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2025-03-04 03:56:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:58,777 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2025-03-04 03:56:58,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-04 03:56:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2025-03-04 03:56:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-04 03:56:58,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:58,782 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:58,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 03:56:58,782 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:58,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:58,783 INFO L85 PathProgramCache]: Analyzing trace with hash -280195342, now seen corresponding path program 1 times [2025-03-04 03:56:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:58,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630408536] [2025-03-04 03:56:58,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:58,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:56:59,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-04 03:56:59,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-04 03:56:59,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:56:59,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:56:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:56:59,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:56:59,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630408536] [2025-03-04 03:56:59,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630408536] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:56:59,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:56:59,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:56:59,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874692064] [2025-03-04 03:56:59,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:56:59,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:56:59,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:56:59,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:56:59,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:59,265 INFO L87 Difference]: Start difference. First operand 1430 states and 2023 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 03:56:59,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:56:59,736 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2025-03-04 03:56:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:56:59,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2025-03-04 03:56:59,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:56:59,744 INFO L225 Difference]: With dead ends: 2856 [2025-03-04 03:56:59,744 INFO L226 Difference]: Without dead ends: 1432 [2025-03-04 03:56:59,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:56:59,749 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 819 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 03:56:59,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 2292 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 03:56:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-04 03:56:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2025-03-04 03:56:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3718070009460739) internal successors, (1450), 1064 states have internal predecessors, (1450), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2025-03-04 03:56:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2025-03-04 03:56:59,813 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 79 [2025-03-04 03:56:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:56:59,813 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2025-03-04 03:56:59,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 03:56:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2025-03-04 03:56:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-04 03:56:59,816 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:56:59,816 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:56:59,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 03:56:59,817 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:56:59,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:56:59,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1868391984, now seen corresponding path program 1 times [2025-03-04 03:56:59,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:56:59,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318312149] [2025-03-04 03:56:59,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:56:59,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:57:00,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 03:57:00,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 03:57:00,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:57:00,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:57:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-04 03:57:00,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:57:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318312149] [2025-03-04 03:57:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318312149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:57:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:57:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 03:57:00,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632664815] [2025-03-04 03:57:00,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:57:00,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 03:57:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:57:00,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 03:57:00,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 03:57:00,660 INFO L87 Difference]: Start difference. First operand 1430 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-04 03:57:00,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:57:00,790 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2025-03-04 03:57:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 03:57:00,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 91 [2025-03-04 03:57:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:57:00,799 INFO L225 Difference]: With dead ends: 2856 [2025-03-04 03:57:00,799 INFO L226 Difference]: Without dead ends: 1432 [2025-03-04 03:57:00,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 03:57:00,806 INFO L435 NwaCegarLoop]: 818 mSDtfsCounter, 1 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:57:00,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2442 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:57:00,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2025-03-04 03:57:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2025-03-04 03:57:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1059 states have (on average 1.3711048158640227) internal successors, (1452), 1066 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2025-03-04 03:57:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2025-03-04 03:57:00,861 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 91 [2025-03-04 03:57:00,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:57:00,861 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2025-03-04 03:57:00,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-04 03:57:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2025-03-04 03:57:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-04 03:57:00,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:57:00,864 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2025-03-04 03:57:00,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 03:57:00,864 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:57:00,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:57:00,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1500057710, now seen corresponding path program 1 times [2025-03-04 03:57:00,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:57:00,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954580869] [2025-03-04 03:57:00,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:57:00,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:57:01,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-04 03:57:01,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 03:57:01,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:57:01,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:57:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-04 03:57:01,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:57:01,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954580869] [2025-03-04 03:57:01,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954580869] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:57:01,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:57:01,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 03:57:01,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702806349] [2025-03-04 03:57:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:57:01,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:57:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:57:01,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:57:01,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:01,939 INFO L87 Difference]: Start difference. First operand 1432 states and 2017 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-04 03:57:02,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:57:02,129 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2025-03-04 03:57:02,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:57:02,129 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2025-03-04 03:57:02,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:57:02,136 INFO L225 Difference]: With dead ends: 1510 [2025-03-04 03:57:02,136 INFO L226 Difference]: Without dead ends: 1430 [2025-03-04 03:57:02,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:02,137 INFO L435 NwaCegarLoop]: 819 mSDtfsCounter, 1 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:57:02,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4891 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:57:02,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2025-03-04 03:57:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2025-03-04 03:57:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1058 states have (on average 1.3705103969754253) internal successors, (1450), 1064 states have internal predecessors, (1450), 283 states have call successors, (283), 90 states have call predecessors, (283), 87 states have return successors, (279), 279 states have call predecessors, (279), 275 states have call successors, (279) [2025-03-04 03:57:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2025-03-04 03:57:02,182 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2025-03-04 03:57:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:57:02,182 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2025-03-04 03:57:02,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-04 03:57:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2025-03-04 03:57:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 03:57:02,184 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:57:02,185 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:57:02,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 03:57:02,185 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:57:02,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:57:02,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1834446508, now seen corresponding path program 1 times [2025-03-04 03:57:02,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:57:02,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228060678] [2025-03-04 03:57:02,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:57:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:57:02,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 03:57:02,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 03:57:02,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:57:02,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:57:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-04 03:57:03,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:57:03,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228060678] [2025-03-04 03:57:03,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228060678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:57:03,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:57:03,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 03:57:03,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269504715] [2025-03-04 03:57:03,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:57:03,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:57:03,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:57:03,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:57:03,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:03,133 INFO L87 Difference]: Start difference. First operand 1429 states and 2012 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-04 03:57:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:57:03,321 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2025-03-04 03:57:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:57:03,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 133 [2025-03-04 03:57:03,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:57:03,328 INFO L225 Difference]: With dead ends: 1496 [2025-03-04 03:57:03,328 INFO L226 Difference]: Without dead ends: 1420 [2025-03-04 03:57:03,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:03,329 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 1 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:57:03,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4879 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:57:03,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2025-03-04 03:57:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2025-03-04 03:57:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1052 states have (on average 1.3716730038022813) internal successors, (1443), 1057 states have internal predecessors, (1443), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 278 states have call predecessors, (278), 274 states have call successors, (278) [2025-03-04 03:57:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2025-03-04 03:57:03,380 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2025-03-04 03:57:03,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:57:03,381 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2025-03-04 03:57:03,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-04 03:57:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2025-03-04 03:57:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-04 03:57:03,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:57:03,384 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:57:03,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 03:57:03,385 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:57:03,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:57:03,385 INFO L85 PathProgramCache]: Analyzing trace with hash -923122688, now seen corresponding path program 1 times [2025-03-04 03:57:03,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:57:03,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351010813] [2025-03-04 03:57:03,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:57:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:57:03,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-04 03:57:03,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-04 03:57:03,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:57:03,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:57:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-03-04 03:57:04,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:57:04,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351010813] [2025-03-04 03:57:04,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351010813] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:57:04,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:57:04,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 03:57:04,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610896696] [2025-03-04 03:57:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:57:04,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:57:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:57:04,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:57:04,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:04,183 INFO L87 Difference]: Start difference. First operand 1419 states and 2000 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-04 03:57:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:57:04,380 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2025-03-04 03:57:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:57:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 172 [2025-03-04 03:57:04,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:57:04,391 INFO L225 Difference]: With dead ends: 2829 [2025-03-04 03:57:04,391 INFO L226 Difference]: Without dead ends: 1416 [2025-03-04 03:57:04,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:04,396 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 0 mSDsluCounter, 4055 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:57:04,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4870 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:57:04,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2025-03-04 03:57:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2025-03-04 03:57:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1047 states have (on average 1.3715377268385864) internal successors, (1436), 1053 states have internal predecessors, (1436), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 277 states have call predecessors, (278), 274 states have call successors, (278) [2025-03-04 03:57:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2025-03-04 03:57:04,446 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 172 [2025-03-04 03:57:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:57:04,446 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2025-03-04 03:57:04,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-04 03:57:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2025-03-04 03:57:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-04 03:57:04,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:57:04,449 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:57:04,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 03:57:04,450 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:57:04,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:57:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash 57289435, now seen corresponding path program 1 times [2025-03-04 03:57:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:57:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298465848] [2025-03-04 03:57:04,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:57:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:57:04,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-04 03:57:04,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-04 03:57:04,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:57:04,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:57:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-03-04 03:57:05,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:57:05,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298465848] [2025-03-04 03:57:05,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298465848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:57:05,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:57:05,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-04 03:57:05,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524088802] [2025-03-04 03:57:05,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:57:05,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 03:57:05,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:57:05,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 03:57:05,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:05,164 INFO L87 Difference]: Start difference. First operand 1414 states and 1993 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-04 03:57:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:57:05,363 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2025-03-04 03:57:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 03:57:05,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2025-03-04 03:57:05,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:57:05,366 INFO L225 Difference]: With dead ends: 1516 [2025-03-04 03:57:05,366 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 03:57:05,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 03:57:05,372 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 0 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:57:05,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4810 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:57:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 03:57:05,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 03:57:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 03:57:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 03:57:05,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-03-04 03:57:05,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:57:05,374 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 03:57:05,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-04 03:57:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 03:57:05,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 03:57:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 03:57:05,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 03:57:05,384 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:57:05,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 03:57:10,688 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 03:57:10,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:57:10 BoogieIcfgContainer [2025-03-04 03:57:10,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 03:57:10,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 03:57:10,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 03:57:10,697 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 03:57:10,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:56:46" (3/4) ... [2025-03-04 03:57:10,699 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usleep_range [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-04 03:57:10,704 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2025-03-04 03:57:10,705 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2025-03-04 03:57:10,706 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2025-03-04 03:57:10,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2025-03-04 03:57:10,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2025-03-04 03:57:10,746 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-03-04 03:57:10,750 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 03:57:10,754 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 03:57:10,756 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 03:57:11,199 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 03:57:11,199 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 03:57:11,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 03:57:11,201 INFO L158 Benchmark]: Toolchain (without parser) took 30773.79ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 101.0MB in the beginning and 592.2MB in the end (delta: -491.1MB). Peak memory consumption was 567.2MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,201 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 03:57:11,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.77ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 65.1MB in the end (delta: 36.0MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.60ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 38.6MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,202 INFO L158 Benchmark]: Boogie Preprocessor took 285.14ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 38.6MB in the beginning and 279.6MB in the end (delta: -241.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,202 INFO L158 Benchmark]: IcfgBuilder took 4222.26ms. Allocated memory was 360.7MB in the beginning and 310.4MB in the end (delta: -50.3MB). Free memory was 279.6MB in the beginning and 136.1MB in the end (delta: 143.5MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,203 INFO L158 Benchmark]: TraceAbstraction took 24145.23ms. Allocated memory was 310.4MB in the beginning and 1.2GB in the end (delta: 889.2MB). Free memory was 136.1MB in the beginning and 960.9MB in the end (delta: -824.8MB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,203 INFO L158 Benchmark]: Witness Printer took 502.57ms. Allocated memory is still 1.2GB. Free memory was 960.9MB in the beginning and 592.2MB in the end (delta: 368.7MB). Peak memory consumption was 369.1MB. Max. memory is 16.1GB. [2025-03-04 03:57:11,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.77ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 65.1MB in the end (delta: 36.0MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.60ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 38.6MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 285.14ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 38.6MB in the beginning and 279.6MB in the end (delta: -241.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * IcfgBuilder took 4222.26ms. Allocated memory was 360.7MB in the beginning and 310.4MB in the end (delta: -50.3MB). Free memory was 279.6MB in the beginning and 136.1MB in the end (delta: 143.5MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24145.23ms. Allocated memory was 310.4MB in the beginning and 1.2GB in the end (delta: 889.2MB). Free memory was 136.1MB in the beginning and 960.9MB in the end (delta: -824.8MB). Peak memory consumption was 632.3MB. Max. memory is 16.1GB. * Witness Printer took 502.57ms. Allocated memory is still 1.2GB. Free memory was 960.9MB in the beginning and 592.2MB in the end (delta: 368.7MB). Peak memory consumption was 369.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6914]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 671 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.8s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5210 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5208 mSDsluCounter, 41410 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27762 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1927 IncrementalHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 13648 mSDtfsCounter, 1927 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1432occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1082 NumberOfCodeBlocks, 1082 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1067 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 256/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 03:57:11,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE