./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:37:40,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:37:40,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:37:40,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:37:40,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:37:40,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:37:40,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:37:40,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:37:40,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:37:40,104 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:37:40,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:37:40,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:37:40,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:37:40,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:37:40,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:37:40,106 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:40,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:37:40,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:40,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:37:40,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:37:40,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 [2025-01-09 18:37:40,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:37:40,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:37:40,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:37:40,309 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:37:40,309 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:37:40,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2025-01-09 18:37:41,629 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/626fbca34/ec4c38030338479985ea20a6086b6759/FLAGc312e1428 [2025-01-09 18:37:42,091 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:37:42,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2025-01-09 18:37:42,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/626fbca34/ec4c38030338479985ea20a6086b6759/FLAGc312e1428 [2025-01-09 18:37:42,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/626fbca34/ec4c38030338479985ea20a6086b6759 [2025-01-09 18:37:42,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:37:42,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:37:42,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:37:42,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:37:42,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:37:42,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:37:42" (1/1) ... [2025-01-09 18:37:42,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@811b0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:42, skipping insertion in model container [2025-01-09 18:37:42,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:37:42" (1/1) ... [2025-01-09 18:37:42,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:37:42,458 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2025-01-09 18:37:42,458 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2025-01-09 18:37:42,550 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i[103871,103884] [2025-01-09 18:37:42,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:37:42,901 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:37:42,982 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2025-01-09 18:37:42,983 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2025-01-09 18:37:42,991 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i[103871,103884] [2025-01-09 18:37:43,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:37:43,157 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:37:43,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43 WrapperNode [2025-01-09 18:37:43,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:37:43,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:37:43,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:37:43,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:37:43,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,304 INFO L138 Inliner]: procedures = 158, calls = 872, calls flagged for inlining = 74, calls inlined = 62, statements flattened = 1973 [2025-01-09 18:37:43,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:37:43,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:37:43,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:37:43,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:37:43,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,332 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,542 INFO L175 MemorySlicer]: Split 510 memory accesses to 18 slices as follows [185, 2, 12, 34, 34, 34, 36, 5, 13, 1, 6, 8, 10, 5, 6, 10, 24, 85]. 36 percent of accesses are in the largest equivalence class. The 90 initializations are split as follows [31, 2, 12, 0, 0, 0, 32, 5, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0]. The 278 writes are split as follows [48, 0, 0, 33, 33, 33, 2, 0, 1, 0, 5, 0, 0, 3, 5, 7, 24, 84]. [2025-01-09 18:37:43,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:37:43,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:37:43,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:37:43,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:37:43,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (1/1) ... [2025-01-09 18:37:43,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:43,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:37:43,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:37:43,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-01-09 18:37:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-01-09 18:37:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-01-09 18:37:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-01-09 18:37:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-01-09 18:37:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-01-09 18:37:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-01-09 18:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-01-09 18:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-01-09 18:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-01-09 18:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-01-09 18:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-01-09 18:37:43,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-01-09 18:37:43,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-01-09 18:37:43,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-01-09 18:37:43,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-01-09 18:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_open [2025-01-09 18:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_open [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-01-09 18:37:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2025-01-09 18:37:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_close [2025-01-09 18:37:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_close [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2025-01-09 18:37:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:37:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:37:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:37:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:37:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:37:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:37:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:37:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-01-09 18:37:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-01-09 18:37:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_command [2025-01-09 18:37:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_command [2025-01-09 18:37:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_info [2025-01-09 18:37:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_info [2025-01-09 18:37:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_data [2025-01-09 18:37:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_data [2025-01-09 18:37:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:37:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:37:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_remove [2025-01-09 18:37:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_remove [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_get [2025-01-09 18:37:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_get [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_detach [2025-01-09 18:37:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_detach [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_close [2025-01-09 18:37:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_close [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:37:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_init [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_init [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read_char [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read_char [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe_port [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe_port [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_open [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_open [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_smpte_stop [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_smpte_stop [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_disable_readout [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_disable_readout [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_put [2025-01-09 18:37:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_put [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:37:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_enable_readout [2025-01-09 18:37:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_enable_readout [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-01-09 18:37:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 18:37:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:37:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:37:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_midi [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_midi [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_ready [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_ready [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_probe [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_probe [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2025-01-09 18:37:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:37:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_unregister_all [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_unregister_all [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_output_trigger [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_output_trigger [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_input_trigger [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_input_trigger [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2025-01-09 18:37:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2025-01-09 18:37:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2025-01-09 18:37:44,152 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:37:44,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:37:44,192 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:37:50,311 INFO L? ?]: Removed 859 outVars from TransFormulas that were not future-live. [2025-01-09 18:37:50,311 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:37:50,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:37:50,327 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2025-01-09 18:37:50,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:37:50 BoogieIcfgContainer [2025-01-09 18:37:50,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:37:50,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:37:50,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:37:50,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:37:50,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:37:42" (1/3) ... [2025-01-09 18:37:50,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389df4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:37:50, skipping insertion in model container [2025-01-09 18:37:50,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:43" (2/3) ... [2025-01-09 18:37:50,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389df4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:37:50, skipping insertion in model container [2025-01-09 18:37:50,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:37:50" (3/3) ... [2025-01-09 18:37:50,341 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2025-01-09 18:37:50,362 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:37:50,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i that has 68 procedures, 855 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2025-01-09 18:37:50,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:37:50,437 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;@647e52fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:37:50,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:37:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 769 states, 539 states have (on average 1.3580705009276437) internal successors, (732), 563 states have internal predecessors, (732), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 164 states have call predecessors, (167), 167 states have call successors, (167) [2025-01-09 18:37:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 18:37:50,475 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:50,476 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-09 18:37:50,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:50,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:50,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1560274664, now seen corresponding path program 1 times [2025-01-09 18:37:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:50,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639528846] [2025-01-09 18:37:50,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:52,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 18:37:52,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 18:37:52,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:52,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-01-09 18:37:53,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:53,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639528846] [2025-01-09 18:37:53,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639528846] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:53,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:53,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:53,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384056140] [2025-01-09 18:37:53,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:53,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:53,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:53,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:53,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:53,354 INFO L87 Difference]: Start difference. First operand has 769 states, 539 states have (on average 1.3580705009276437) internal successors, (732), 563 states have internal predecessors, (732), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 164 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:53,649 INFO L93 Difference]: Finished difference Result 2255 states and 3344 transitions. [2025-01-09 18:37:53,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2025-01-09 18:37:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:53,669 INFO L225 Difference]: With dead ends: 2255 [2025-01-09 18:37:53,669 INFO L226 Difference]: Without dead ends: 1439 [2025-01-09 18:37:53,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:53,678 INFO L435 NwaCegarLoop]: 1334 mSDtfsCounter, 1023 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:53,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 2365 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:37:53,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2025-01-09 18:37:53,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1435. [2025-01-09 18:37:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1022 states have (on average 1.3297455968688845) internal successors, (1359), 1042 states have internal predecessors, (1359), 318 states have call successors, (318), 95 states have call predecessors, (318), 94 states have return successors, (317), 311 states have call predecessors, (317), 317 states have call successors, (317) [2025-01-09 18:37:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1994 transitions. [2025-01-09 18:37:53,802 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1994 transitions. Word has length 114 [2025-01-09 18:37:53,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:53,803 INFO L471 AbstractCegarLoop]: Abstraction has 1435 states and 1994 transitions. [2025-01-09 18:37:53,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1994 transitions. [2025-01-09 18:37:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 18:37:53,817 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:53,817 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-09 18:37:53,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:37:53,818 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:53,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash 255559530, now seen corresponding path program 1 times [2025-01-09 18:37:53,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:53,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181144237] [2025-01-09 18:37:53,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:55,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 18:37:55,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 18:37:55,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:55,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-01-09 18:37:55,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:55,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181144237] [2025-01-09 18:37:55,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181144237] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:55,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:55,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:55,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648974079] [2025-01-09 18:37:55,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:55,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:55,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:55,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:55,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:55,874 INFO L87 Difference]: Start difference. First operand 1435 states and 1994 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:56,128 INFO L93 Difference]: Finished difference Result 4221 states and 5854 transitions. [2025-01-09 18:37:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:56,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2025-01-09 18:37:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:56,144 INFO L225 Difference]: With dead ends: 4221 [2025-01-09 18:37:56,144 INFO L226 Difference]: Without dead ends: 2801 [2025-01-09 18:37:56,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:56,148 INFO L435 NwaCegarLoop]: 1036 mSDtfsCounter, 987 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:56,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 2037 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:37:56,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2025-01-09 18:37:56,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2794. [2025-01-09 18:37:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 1990 states have (on average 1.328643216080402) internal successors, (2644), 2032 states have internal predecessors, (2644), 615 states have call successors, (615), 189 states have call predecessors, (615), 188 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) [2025-01-09 18:37:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 3873 transitions. [2025-01-09 18:37:56,265 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 3873 transitions. Word has length 129 [2025-01-09 18:37:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:56,266 INFO L471 AbstractCegarLoop]: Abstraction has 2794 states and 3873 transitions. [2025-01-09 18:37:56,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3873 transitions. [2025-01-09 18:37:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-09 18:37:56,274 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:56,274 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:37:56,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:37:56,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:56,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1625603829, now seen corresponding path program 1 times [2025-01-09 18:37:56,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:56,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595805807] [2025-01-09 18:37:56,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:56,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:37:58,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 18:37:58,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 18:37:58,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:37:58,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:37:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-01-09 18:37:58,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:37:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595805807] [2025-01-09 18:37:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595805807] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:37:58,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:37:58,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:37:58,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275112393] [2025-01-09 18:37:58,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:37:58,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:37:58,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:37:58,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:37:58,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:58,482 INFO L87 Difference]: Start difference. First operand 2794 states and 3873 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:37:58,733 INFO L93 Difference]: Finished difference Result 8180 states and 11315 transitions. [2025-01-09 18:37:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:37:58,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2025-01-09 18:37:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:37:58,755 INFO L225 Difference]: With dead ends: 8180 [2025-01-09 18:37:58,756 INFO L226 Difference]: Without dead ends: 5401 [2025-01-09 18:37:58,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:37:58,764 INFO L435 NwaCegarLoop]: 1069 mSDtfsCounter, 952 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:37:58,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 2070 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:37:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2025-01-09 18:37:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5390. [2025-01-09 18:37:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5390 states, 3844 states have (on average 1.3298647242455774) internal successors, (5112), 3930 states have internal predecessors, (5112), 1169 states have call successors, (1169), 377 states have call predecessors, (1169), 376 states have return successors, (1168), 1138 states have call predecessors, (1168), 1168 states have call successors, (1168) [2025-01-09 18:37:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 7449 transitions. [2025-01-09 18:37:58,903 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 7449 transitions. Word has length 135 [2025-01-09 18:37:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:37:58,905 INFO L471 AbstractCegarLoop]: Abstraction has 5390 states and 7449 transitions. [2025-01-09 18:37:58,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 18:37:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 7449 transitions. [2025-01-09 18:37:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 18:37:58,909 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:58,909 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:37:58,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:37:58,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:58,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1328697507, now seen corresponding path program 1 times [2025-01-09 18:37:58,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:58,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822988119] [2025-01-09 18:37:58,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:58,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:00,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 18:38:00,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 18:38:00,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:00,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-01-09 18:38:00,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:00,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822988119] [2025-01-09 18:38:00,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822988119] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:00,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:00,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:00,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926129012] [2025-01-09 18:38:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:00,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:00,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:00,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:00,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:00,997 INFO L87 Difference]: Start difference. First operand 5390 states and 7449 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 18:38:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:01,382 INFO L93 Difference]: Finished difference Result 15394 states and 21229 transitions. [2025-01-09 18:38:01,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 143 [2025-01-09 18:38:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:01,433 INFO L225 Difference]: With dead ends: 15394 [2025-01-09 18:38:01,434 INFO L226 Difference]: Without dead ends: 10019 [2025-01-09 18:38:01,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:01,459 INFO L435 NwaCegarLoop]: 1102 mSDtfsCounter, 922 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:01,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2106 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10019 states. [2025-01-09 18:38:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10019 to 10000. [2025-01-09 18:38:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10000 states, 7185 states have (on average 1.3347251217814893) internal successors, (9590), 7350 states have internal predecessors, (9590), 2093 states have call successors, (2093), 722 states have call predecessors, (2093), 721 states have return successors, (2092), 2033 states have call predecessors, (2092), 2092 states have call successors, (2092) [2025-01-09 18:38:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10000 states to 10000 states and 13775 transitions. [2025-01-09 18:38:01,774 INFO L78 Accepts]: Start accepts. Automaton has 10000 states and 13775 transitions. Word has length 143 [2025-01-09 18:38:01,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:01,774 INFO L471 AbstractCegarLoop]: Abstraction has 10000 states and 13775 transitions. [2025-01-09 18:38:01,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 18:38:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10000 states and 13775 transitions. [2025-01-09 18:38:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 18:38:01,777 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:01,777 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2025-01-09 18:38:01,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:38:01,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash -160238422, now seen corresponding path program 1 times [2025-01-09 18:38:01,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:01,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143342663] [2025-01-09 18:38:01,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:03,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 18:38:03,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 18:38:03,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:03,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-01-09 18:38:03,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143342663] [2025-01-09 18:38:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143342663] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:03,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:03,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:03,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437576447] [2025-01-09 18:38:03,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:03,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:03,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:03,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:03,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:03,698 INFO L87 Difference]: Start difference. First operand 10000 states and 13775 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 18:38:03,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:03,941 INFO L93 Difference]: Finished difference Result 19985 states and 27529 transitions. [2025-01-09 18:38:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:03,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2025-01-09 18:38:03,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:03,999 INFO L225 Difference]: With dead ends: 19985 [2025-01-09 18:38:03,999 INFO L226 Difference]: Without dead ends: 10000 [2025-01-09 18:38:04,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:04,035 INFO L435 NwaCegarLoop]: 1035 mSDtfsCounter, 1033 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:04,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1035 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:04,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10000 states. [2025-01-09 18:38:04,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10000 to 10000. [2025-01-09 18:38:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10000 states, 7185 states have (on average 1.3324982602644397) internal successors, (9574), 7350 states have internal predecessors, (9574), 2093 states have call successors, (2093), 722 states have call predecessors, (2093), 721 states have return successors, (2092), 2033 states have call predecessors, (2092), 2092 states have call successors, (2092) [2025-01-09 18:38:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10000 states to 10000 states and 13759 transitions. [2025-01-09 18:38:04,359 INFO L78 Accepts]: Start accepts. Automaton has 10000 states and 13759 transitions. Word has length 143 [2025-01-09 18:38:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:04,359 INFO L471 AbstractCegarLoop]: Abstraction has 10000 states and 13759 transitions. [2025-01-09 18:38:04,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 18:38:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10000 states and 13759 transitions. [2025-01-09 18:38:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2025-01-09 18:38:04,383 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:04,383 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:04,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:38:04,384 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:04,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash 116193228, now seen corresponding path program 1 times [2025-01-09 18:38:04,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:04,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442669366] [2025-01-09 18:38:04,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:05,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes. [2025-01-09 18:38:06,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements. [2025-01-09 18:38:06,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:06,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 18:38:06,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:06,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442669366] [2025-01-09 18:38:06,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442669366] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:06,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:06,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:06,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356838777] [2025-01-09 18:38:06,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:06,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:06,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:06,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:06,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:06,313 INFO L87 Difference]: Start difference. First operand 10000 states and 13759 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-01-09 18:38:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:06,483 INFO L93 Difference]: Finished difference Result 10018 states and 13791 transitions. [2025-01-09 18:38:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:06,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 242 [2025-01-09 18:38:06,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:06,522 INFO L225 Difference]: With dead ends: 10018 [2025-01-09 18:38:06,523 INFO L226 Difference]: Without dead ends: 10015 [2025-01-09 18:38:06,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:06,527 INFO L435 NwaCegarLoop]: 1035 mSDtfsCounter, 0 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:06,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2064 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:06,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2025-01-09 18:38:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 10015. [2025-01-09 18:38:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10015 states, 7200 states have (on average 1.3318055555555555) internal successors, (9589), 7365 states have internal predecessors, (9589), 2093 states have call successors, (2093), 722 states have call predecessors, (2093), 721 states have return successors, (2092), 2033 states have call predecessors, (2092), 2092 states have call successors, (2092) [2025-01-09 18:38:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10015 states to 10015 states and 13774 transitions. [2025-01-09 18:38:06,770 INFO L78 Accepts]: Start accepts. Automaton has 10015 states and 13774 transitions. Word has length 242 [2025-01-09 18:38:06,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:06,772 INFO L471 AbstractCegarLoop]: Abstraction has 10015 states and 13774 transitions. [2025-01-09 18:38:06,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-01-09 18:38:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 10015 states and 13774 transitions. [2025-01-09 18:38:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-01-09 18:38:06,793 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:06,793 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:06,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:38:06,793 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1978208, now seen corresponding path program 1 times [2025-01-09 18:38:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736040409] [2025-01-09 18:38:06,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:06,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:08,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-01-09 18:38:08,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-01-09 18:38:08,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:08,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 18:38:09,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:09,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736040409] [2025-01-09 18:38:09,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736040409] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:09,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:09,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:38:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24310261] [2025-01-09 18:38:09,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:09,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:38:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:09,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:38:09,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:38:09,486 INFO L87 Difference]: Start difference. First operand 10015 states and 13774 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-01-09 18:38:13,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:38:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:23,498 INFO L93 Difference]: Finished difference Result 26214 states and 37200 transitions. [2025-01-09 18:38:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 18:38:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 244 [2025-01-09 18:38:23,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:23,596 INFO L225 Difference]: With dead ends: 26214 [2025-01-09 18:38:23,596 INFO L226 Difference]: Without dead ends: 16214 [2025-01-09 18:38:23,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:38:23,638 INFO L435 NwaCegarLoop]: 1015 mSDtfsCounter, 1281 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 450 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2766 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:23,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2766 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 812 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2025-01-09 18:38:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16214 states. [2025-01-09 18:38:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16214 to 16124. [2025-01-09 18:38:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16124 states, 11305 states have (on average 1.2988942945599293) internal successors, (14684), 11718 states have internal predecessors, (14684), 3534 states have call successors, (3534), 1165 states have call predecessors, (3534), 1284 states have return successors, (3699), 3391 states have call predecessors, (3699), 3533 states have call successors, (3699) [2025-01-09 18:38:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16124 states to 16124 states and 21917 transitions. [2025-01-09 18:38:24,134 INFO L78 Accepts]: Start accepts. Automaton has 16124 states and 21917 transitions. Word has length 244 [2025-01-09 18:38:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:24,135 INFO L471 AbstractCegarLoop]: Abstraction has 16124 states and 21917 transitions. [2025-01-09 18:38:24,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-01-09 18:38:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 16124 states and 21917 transitions. [2025-01-09 18:38:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-01-09 18:38:24,162 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:24,163 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:24,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:38:24,163 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:24,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:24,163 INFO L85 PathProgramCache]: Analyzing trace with hash -827030338, now seen corresponding path program 1 times [2025-01-09 18:38:24,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:24,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5135115] [2025-01-09 18:38:24,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:24,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:25,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-01-09 18:38:25,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-01-09 18:38:25,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:25,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2025-01-09 18:38:26,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:26,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5135115] [2025-01-09 18:38:26,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5135115] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:26,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:26,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:38:26,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329343389] [2025-01-09 18:38:26,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:26,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:38:26,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:26,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:38:26,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:38:26,570 INFO L87 Difference]: Start difference. First operand 16124 states and 21917 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:38:30,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:38:31,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:31,438 INFO L93 Difference]: Finished difference Result 32096 states and 43626 transitions. [2025-01-09 18:38:31,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:38:31,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 260 [2025-01-09 18:38:31,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:31,558 INFO L225 Difference]: With dead ends: 32096 [2025-01-09 18:38:31,558 INFO L226 Difference]: Without dead ends: 15787 [2025-01-09 18:38:31,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:38:31,583 INFO L435 NwaCegarLoop]: 1035 mSDtfsCounter, 0 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:31,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3097 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 18:38:31,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15787 states. [2025-01-09 18:38:32,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15787 to 15787. [2025-01-09 18:38:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15787 states, 11073 states have (on average 1.3009121286011018) internal successors, (14405), 11479 states have internal predecessors, (14405), 3452 states have call successors, (3452), 1142 states have call predecessors, (3452), 1261 states have return successors, (3617), 3316 states have call predecessors, (3617), 3451 states have call successors, (3617) [2025-01-09 18:38:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15787 states to 15787 states and 21474 transitions. [2025-01-09 18:38:32,214 INFO L78 Accepts]: Start accepts. Automaton has 15787 states and 21474 transitions. Word has length 260 [2025-01-09 18:38:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:32,216 INFO L471 AbstractCegarLoop]: Abstraction has 15787 states and 21474 transitions. [2025-01-09 18:38:32,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 18:38:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 15787 states and 21474 transitions. [2025-01-09 18:38:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2025-01-09 18:38:32,255 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:32,256 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:32,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:38:32,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:32,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:32,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1916579507, now seen corresponding path program 1 times [2025-01-09 18:38:32,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:32,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140554794] [2025-01-09 18:38:32,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:32,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:34,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 263 statements into 1 equivalence classes. [2025-01-09 18:38:34,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 263 of 263 statements. [2025-01-09 18:38:34,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:34,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2025-01-09 18:38:34,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:34,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140554794] [2025-01-09 18:38:34,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140554794] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:34,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177332156] [2025-01-09 18:38:34,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:34,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:34,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:34,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:34,529 INFO L87 Difference]: Start difference. First operand 15787 states and 21474 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:38:35,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:35,171 INFO L93 Difference]: Finished difference Result 31786 states and 43241 transitions. [2025-01-09 18:38:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:35,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2025-01-09 18:38:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:35,244 INFO L225 Difference]: With dead ends: 31786 [2025-01-09 18:38:35,244 INFO L226 Difference]: Without dead ends: 16001 [2025-01-09 18:38:35,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:35,277 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 301 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:35,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1997 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16001 states. [2025-01-09 18:38:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16001 to 16001. [2025-01-09 18:38:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16001 states, 11245 states have (on average 1.3027123165851489) internal successors, (14649), 11652 states have internal predecessors, (14649), 3480 states have call successors, (3480), 1156 states have call predecessors, (3480), 1275 states have return successors, (3645), 3344 states have call predecessors, (3645), 3479 states have call successors, (3645) [2025-01-09 18:38:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16001 states to 16001 states and 21774 transitions. [2025-01-09 18:38:35,745 INFO L78 Accepts]: Start accepts. Automaton has 16001 states and 21774 transitions. Word has length 263 [2025-01-09 18:38:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:35,746 INFO L471 AbstractCegarLoop]: Abstraction has 16001 states and 21774 transitions. [2025-01-09 18:38:35,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 18:38:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 16001 states and 21774 transitions. [2025-01-09 18:38:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-01-09 18:38:35,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:35,769 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:35,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:38:35,770 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:35,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1772762993, now seen corresponding path program 1 times [2025-01-09 18:38:35,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:35,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880363850] [2025-01-09 18:38:35,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:35,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:37,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 296 statements into 1 equivalence classes. [2025-01-09 18:38:37,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 296 of 296 statements. [2025-01-09 18:38:37,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:37,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2025-01-09 18:38:37,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880363850] [2025-01-09 18:38:37,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880363850] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:37,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:37,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:37,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259584823] [2025-01-09 18:38:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:37,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:37,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:37,808 INFO L87 Difference]: Start difference. First operand 16001 states and 21774 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-01-09 18:38:38,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:38,068 INFO L93 Difference]: Finished difference Result 16158 states and 21998 transitions. [2025-01-09 18:38:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:38,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 296 [2025-01-09 18:38:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:38,088 INFO L225 Difference]: With dead ends: 16158 [2025-01-09 18:38:38,088 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:38:38,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:38,119 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 244 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:38,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 251 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:38:38,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:38:38,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:38:38,120 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) [2025-01-09 18:38:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:38:38,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 296 [2025-01-09 18:38:38,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:38,135 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:38:38,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-01-09 18:38:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:38:38,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:38:38,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:38:38,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 18:38:38,142 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:38:38,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.