./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:52:07,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:52:07,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:52:07,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:52:07,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:52:07,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:52:07,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:52:07,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:52:07,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:52:07,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:52:07,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:52:07,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:52:07,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:52:07,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:52:07,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:52:07,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:52:07,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:52:07,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:52:07,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:52:07,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:52:07,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:52:07,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:52:07,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:52:07,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:52:07,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:52:07,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:52:07,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:52:07,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:52:07,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:52:07,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:52:07,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:52:07,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:52:07,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:52:07,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:52:07,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:52:07,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:52:07,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:52:07,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:52:07,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:52:07,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e [2024-11-19 03:52:07,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:52:07,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:52:07,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:52:07,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:52:07,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:52:07,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-19 03:52:09,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:52:10,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:52:10,019 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-19 03:52:10,073 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76c66965/c25f69579b76417184f800da04de154a/FLAG1a3320a62 [2024-11-19 03:52:10,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76c66965/c25f69579b76417184f800da04de154a [2024-11-19 03:52:10,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:52:10,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:52:10,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:52:10,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:52:10,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:52:10,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:52:10" (1/1) ... [2024-11-19 03:52:10,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8e1afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:10, skipping insertion in model container [2024-11-19 03:52:10,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:52:10" (1/1) ... [2024-11-19 03:52:10,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:52:12,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i[284626,284639] [2024-11-19 03:52:12,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:52:12,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:52:12,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6149-6150] [2024-11-19 03:52:12,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6158-6159] [2024-11-19 03:52:12,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2024-11-19 03:52:12,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2024-11-19 03:52:12,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2024-11-19 03:52:12,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2024-11-19 03:52:12,843 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i[284626,284639] [2024-11-19 03:52:12,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:52:12,981 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:52:12,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12 WrapperNode [2024-11-19 03:52:12,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:52:12,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:52:12,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:52:12,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:52:12,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,228 INFO L138 Inliner]: procedures = 228, calls = 2107, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3578 [2024-11-19 03:52:13,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:52:13,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:52:13,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:52:13,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:52:13,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,662 INFO L175 MemorySlicer]: Split 921 memory accesses to 32 slices as follows [192, 8, 6, 14, 6, 13, 2, 6, 14, 6, 6, 2, 6, 224, 7, 14, 7, 254, 6, 6, 7, 6, 4, 6, 6, 14, 5, 2, 43, 7, 6, 16]. 28 percent of accesses are in the largest equivalence class. The 362 initializations are split as follows [192, 8, 6, 14, 6, 0, 0, 6, 14, 6, 6, 2, 6, 0, 0, 14, 0, 8, 6, 6, 0, 6, 4, 6, 6, 14, 4, 0, 0, 0, 6, 16]. The 356 writes are split as follows [0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 192, 6, 0, 6, 84, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 43, 6, 0, 0]. [2024-11-19 03:52:13,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:52:13,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:52:13,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:52:13,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:52:13,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (1/1) ... [2024-11-19 03:52:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:52:13,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:52:13,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:52:14,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:52:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2024-11-19 03:52:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2024-11-19 03:52:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2024-11-19 03:52:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2024-11-19 03:52:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2024-11-19 03:52:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2024-11-19 03:52:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:52:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:52:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:52:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:52:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:52:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:52:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:52:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:52:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:52:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:52:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-19 03:52:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2024-11-19 03:52:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2024-11-19 03:52:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:52:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2024-11-19 03:52:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:52:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:52:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:52:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:52:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:52:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:52:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:52:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:52:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 03:52:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:52:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:52:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:52:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:52:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:52:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:52:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:52:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:52:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:52:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:52:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:52:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-19 03:52:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-19 03:52:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2024-11-19 03:52:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2024-11-19 03:52:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:52:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:52:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:52:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:52:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:52:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:52:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:52:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:52:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:52:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:52:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:52:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:52:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:52:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:52:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:52:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:52:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:52:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2024-11-19 03:52:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:52:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:52:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-19 03:52:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-19 03:52:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:52:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:52:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2024-11-19 03:52:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2024-11-19 03:52:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-19 03:52:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-19 03:52:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:52:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:52:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-19 03:52:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2024-11-19 03:52:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:52:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-19 03:52:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-19 03:52:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-19 03:52:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2024-11-19 03:52:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2024-11-19 03:52:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 03:52:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 03:52:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:52:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2024-11-19 03:52:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2024-11-19 03:52:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2024-11-19 03:52:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2024-11-19 03:52:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:52:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:52:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:52:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 03:52:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-19 03:52:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-19 03:52:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2024-11-19 03:52:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2024-11-19 03:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2024-11-19 03:52:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2024-11-19 03:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2024-11-19 03:52:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2024-11-19 03:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2024-11-19 03:52:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2024-11-19 03:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-19 03:52:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-19 03:52:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-19 03:52:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-19 03:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2024-11-19 03:52:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2024-11-19 03:52:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-19 03:52:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-19 03:52:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:52:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-19 03:52:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-19 03:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-19 03:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-19 03:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-19 03:52:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-19 03:52:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:52:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:52:14,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:52:14,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:52:14,980 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:52:22,781 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-11-19 03:52:22,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:52:22,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:52:22,845 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 03:52:22,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:52:22 BoogieIcfgContainer [2024-11-19 03:52:22,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:52:22,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:52:22,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:52:22,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:52:22,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:52:10" (1/3) ... [2024-11-19 03:52:22,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4ebfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:52:22, skipping insertion in model container [2024-11-19 03:52:22,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:52:12" (2/3) ... [2024-11-19 03:52:22,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4ebfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:52:22, skipping insertion in model container [2024-11-19 03:52:22,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:52:22" (3/3) ... [2024-11-19 03:52:22,859 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-19 03:52:22,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:52:22,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:52:23,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:52:23,009 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;@4c99cfd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:52:23,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:52:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 1315 states, 930 states have (on average 1.3741935483870968) internal successors, (1278), 965 states have internal predecessors, (1278), 321 states have call successors, (321), 63 states have call predecessors, (321), 62 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) [2024-11-19 03:52:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 03:52:23,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:23,042 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:52:23,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:23,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1425136313, now seen corresponding path program 1 times [2024-11-19 03:52:23,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:23,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550581057] [2024-11-19 03:52:23,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:23,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-19 03:52:24,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:24,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550581057] [2024-11-19 03:52:24,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550581057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:52:24,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480859011] [2024-11-19 03:52:24,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:24,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:52:24,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:52:24,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:52:24,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:52:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:26,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:52:26,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:52:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:52:26,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:52:26,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480859011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:26,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:52:26,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:52:26,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826167173] [2024-11-19 03:52:26,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:26,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:52:26,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:52:26,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:52:26,705 INFO L87 Difference]: Start difference. First operand has 1315 states, 930 states have (on average 1.3741935483870968) internal successors, (1278), 965 states have internal predecessors, (1278), 321 states have call successors, (321), 63 states have call predecessors, (321), 62 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:52:26,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:26,863 INFO L93 Difference]: Finished difference Result 2625 states and 3857 transitions. [2024-11-19 03:52:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:52:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-11-19 03:52:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:26,898 INFO L225 Difference]: With dead ends: 2625 [2024-11-19 03:52:26,898 INFO L226 Difference]: Without dead ends: 1298 [2024-11-19 03:52:26,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:52:26,917 INFO L432 NwaCegarLoop]: 1904 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:26,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:52:26,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2024-11-19 03:52:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2024-11-19 03:52:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 921 states have (on average 1.3604777415852334) internal successors, (1253), 948 states have internal predecessors, (1253), 315 states have call successors, (315), 62 states have call predecessors, (315), 61 states have return successors, (314), 308 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-19 03:52:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1882 transitions. [2024-11-19 03:52:27,084 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1882 transitions. Word has length 64 [2024-11-19 03:52:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:27,086 INFO L471 AbstractCegarLoop]: Abstraction has 1298 states and 1882 transitions. [2024-11-19 03:52:27,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 03:52:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1882 transitions. [2024-11-19 03:52:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 03:52:27,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:27,090 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:52:27,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:52:27,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:52:27,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:27,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1343696961, now seen corresponding path program 1 times [2024-11-19 03:52:27,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:27,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824987149] [2024-11-19 03:52:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:27,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-19 03:52:28,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:28,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824987149] [2024-11-19 03:52:28,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824987149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:28,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:28,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:52:28,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274619280] [2024-11-19 03:52:28,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:28,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:52:28,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:28,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:52:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:52:28,587 INFO L87 Difference]: Start difference. First operand 1298 states and 1882 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:52:28,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:28,833 INFO L93 Difference]: Finished difference Result 3449 states and 5010 transitions. [2024-11-19 03:52:28,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:52:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-19 03:52:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:28,857 INFO L225 Difference]: With dead ends: 3449 [2024-11-19 03:52:28,857 INFO L226 Difference]: Without dead ends: 2160 [2024-11-19 03:52:28,878 INFO L431 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 [2024-11-19 03:52:28,880 INFO L432 NwaCegarLoop]: 1907 mSDtfsCounter, 1264 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 3765 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 [2024-11-19 03:52:28,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 3765 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:52:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2024-11-19 03:52:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2155. [2024-11-19 03:52:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1544 states have (on average 1.3756476683937824) internal successors, (2124), 1596 states have internal predecessors, (2124), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-19 03:52:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3135 transitions. [2024-11-19 03:52:29,037 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3135 transitions. Word has length 64 [2024-11-19 03:52:29,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:29,038 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3135 transitions. [2024-11-19 03:52:29,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:52:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3135 transitions. [2024-11-19 03:52:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 03:52:29,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:29,045 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-19 03:52:29,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:52:29,046 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:29,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:29,046 INFO L85 PathProgramCache]: Analyzing trace with hash -255379109, now seen corresponding path program 1 times [2024-11-19 03:52:29,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:29,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157973206] [2024-11-19 03:52:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:29,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 03:52:30,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:30,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157973206] [2024-11-19 03:52:30,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157973206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:30,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:30,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:52:30,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689604110] [2024-11-19 03:52:30,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:30,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:52:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:30,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:52:30,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:52:30,291 INFO L87 Difference]: Start difference. First operand 2155 states and 3135 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:52:34,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:52:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:34,459 INFO L93 Difference]: Finished difference Result 4292 states and 6249 transitions. [2024-11-19 03:52:34,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:52:34,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 99 [2024-11-19 03:52:34,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:34,481 INFO L225 Difference]: With dead ends: 4292 [2024-11-19 03:52:34,481 INFO L226 Difference]: Without dead ends: 2155 [2024-11-19 03:52:34,495 INFO L431 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 [2024-11-19 03:52:34,497 INFO L432 NwaCegarLoop]: 1882 mSDtfsCounter, 0 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:34,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3759 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:52:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2024-11-19 03:52:34,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2155. [2024-11-19 03:52:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1544 states have (on average 1.375) internal successors, (2123), 1596 states have internal predecessors, (2123), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-19 03:52:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3134 transitions. [2024-11-19 03:52:34,597 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3134 transitions. Word has length 99 [2024-11-19 03:52:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:34,599 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3134 transitions. [2024-11-19 03:52:34,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:52:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3134 transitions. [2024-11-19 03:52:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 03:52:34,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:34,604 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-19 03:52:34,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:52:34,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:34,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:34,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2112828655, now seen corresponding path program 1 times [2024-11-19 03:52:34,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:34,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550418101] [2024-11-19 03:52:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:34,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 03:52:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550418101] [2024-11-19 03:52:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550418101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:35,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:35,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:52:35,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219596382] [2024-11-19 03:52:35,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:35,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:52:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:35,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:52:35,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:52:35,909 INFO L87 Difference]: Start difference. First operand 2155 states and 3134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-19 03:52:35,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:35,992 INFO L93 Difference]: Finished difference Result 2160 states and 3140 transitions. [2024-11-19 03:52:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:52:35,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 116 [2024-11-19 03:52:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:36,011 INFO L225 Difference]: With dead ends: 2160 [2024-11-19 03:52:36,012 INFO L226 Difference]: Without dead ends: 2157 [2024-11-19 03:52:36,015 INFO L431 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 [2024-11-19 03:52:36,016 INFO L432 NwaCegarLoop]: 1880 mSDtfsCounter, 0 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:36,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3755 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:52:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2024-11-19 03:52:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 2157. [2024-11-19 03:52:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1546 states have (on average 1.3745148771021993) internal successors, (2125), 1598 states have internal predecessors, (2125), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-19 03:52:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3136 transitions. [2024-11-19 03:52:36,118 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3136 transitions. Word has length 116 [2024-11-19 03:52:36,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:36,118 INFO L471 AbstractCegarLoop]: Abstraction has 2157 states and 3136 transitions. [2024-11-19 03:52:36,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-19 03:52:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3136 transitions. [2024-11-19 03:52:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 03:52:36,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:36,126 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-19 03:52:36,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:52:36,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:36,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:36,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1599522380, now seen corresponding path program 1 times [2024-11-19 03:52:36,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:36,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060407065] [2024-11-19 03:52:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 03:52:37,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:37,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060407065] [2024-11-19 03:52:37,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060407065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:37,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:37,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:52:37,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903149944] [2024-11-19 03:52:37,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:37,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:52:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:52:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:52:37,648 INFO L87 Difference]: Start difference. First operand 2157 states and 3136 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 03:52:37,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:37,815 INFO L93 Difference]: Finished difference Result 4336 states and 6288 transitions. [2024-11-19 03:52:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:52:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2024-11-19 03:52:37,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:37,835 INFO L225 Difference]: With dead ends: 4336 [2024-11-19 03:52:37,836 INFO L226 Difference]: Without dead ends: 2198 [2024-11-19 03:52:37,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:52:37,850 INFO L432 NwaCegarLoop]: 1902 mSDtfsCounter, 502 mSDsluCounter, 3265 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 5167 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:37,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 5167 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:52:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2024-11-19 03:52:37,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2024-11-19 03:52:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 1574 states have (on average 1.3684879288437104) internal successors, (2154), 1626 states have internal predecessors, (2154), 509 states have call successors, (509), 115 states have call predecessors, (509), 114 states have return successors, (508), 495 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-19 03:52:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 3171 transitions. [2024-11-19 03:52:37,947 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 3171 transitions. Word has length 118 [2024-11-19 03:52:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:37,948 INFO L471 AbstractCegarLoop]: Abstraction has 2198 states and 3171 transitions. [2024-11-19 03:52:37,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 03:52:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 3171 transitions. [2024-11-19 03:52:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 03:52:37,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:37,952 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:52:37,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:52:37,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:37,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1578801505, now seen corresponding path program 1 times [2024-11-19 03:52:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:37,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673018774] [2024-11-19 03:52:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:37,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:52:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:39,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673018774] [2024-11-19 03:52:39,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673018774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:39,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:39,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:52:39,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751088669] [2024-11-19 03:52:39,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:39,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:52:39,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:39,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:52:39,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:52:39,362 INFO L87 Difference]: Start difference. First operand 2198 states and 3171 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:39,687 INFO L93 Difference]: Finished difference Result 6560 states and 9485 transitions. [2024-11-19 03:52:39,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:52:39,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 118 [2024-11-19 03:52:39,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:39,722 INFO L225 Difference]: With dead ends: 6560 [2024-11-19 03:52:39,723 INFO L226 Difference]: Without dead ends: 4385 [2024-11-19 03:52:39,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:52:39,739 INFO L432 NwaCegarLoop]: 2040 mSDtfsCounter, 1865 mSDsluCounter, 5930 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 7970 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:39,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 7970 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:52:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2024-11-19 03:52:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 4378. [2024-11-19 03:52:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 3138 states have (on average 1.368387507966858) internal successors, (4294), 3242 states have internal predecessors, (4294), 1012 states have call successors, (1012), 228 states have call predecessors, (1012), 227 states have return successors, (1016), 985 states have call predecessors, (1016), 1011 states have call successors, (1016) [2024-11-19 03:52:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6322 transitions. [2024-11-19 03:52:39,931 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6322 transitions. Word has length 118 [2024-11-19 03:52:39,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:39,932 INFO L471 AbstractCegarLoop]: Abstraction has 4378 states and 6322 transitions. [2024-11-19 03:52:39,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6322 transitions. [2024-11-19 03:52:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 03:52:39,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:39,935 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:52:39,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:52:39,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:39,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:39,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1704083364, now seen corresponding path program 1 times [2024-11-19 03:52:39,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:39,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579977098] [2024-11-19 03:52:39,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:39,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:52:41,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:41,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579977098] [2024-11-19 03:52:41,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579977098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:41,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:41,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:52:41,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107449933] [2024-11-19 03:52:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:41,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:52:41,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:41,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:52:41,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:52:41,142 INFO L87 Difference]: Start difference. First operand 4378 states and 6322 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:41,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:41,576 INFO L93 Difference]: Finished difference Result 13116 states and 18973 transitions. [2024-11-19 03:52:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:52:41,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-19 03:52:41,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:41,638 INFO L225 Difference]: With dead ends: 13116 [2024-11-19 03:52:41,638 INFO L226 Difference]: Without dead ends: 8761 [2024-11-19 03:52:41,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:52:41,665 INFO L432 NwaCegarLoop]: 1878 mSDtfsCounter, 1869 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 7484 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:41,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 7484 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:52:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8761 states. [2024-11-19 03:52:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8761 to 8750. [2024-11-19 03:52:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8750 states, 6276 states have (on average 1.3679094964945826) internal successors, (8585), 6484 states have internal predecessors, (8585), 2018 states have call successors, (2018), 456 states have call predecessors, (2018), 455 states have return successors, (2039), 1965 states have call predecessors, (2039), 2017 states have call successors, (2039) [2024-11-19 03:52:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8750 states to 8750 states and 12642 transitions. [2024-11-19 03:52:42,095 INFO L78 Accepts]: Start accepts. Automaton has 8750 states and 12642 transitions. Word has length 120 [2024-11-19 03:52:42,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:42,096 INFO L471 AbstractCegarLoop]: Abstraction has 8750 states and 12642 transitions. [2024-11-19 03:52:42,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 8750 states and 12642 transitions. [2024-11-19 03:52:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 03:52:42,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:42,103 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:52:42,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:52:42,103 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:42,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash -556233228, now seen corresponding path program 1 times [2024-11-19 03:52:42,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:42,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528937221] [2024-11-19 03:52:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:52:43,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:43,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528937221] [2024-11-19 03:52:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528937221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:43,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:43,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:52:43,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48442100] [2024-11-19 03:52:43,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:43,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:52:43,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:43,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:52:43,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:52:43,555 INFO L87 Difference]: Start difference. First operand 8750 states and 12642 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:44,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:44,309 INFO L93 Difference]: Finished difference Result 26258 states and 37999 transitions. [2024-11-19 03:52:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:52:44,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2024-11-19 03:52:44,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:44,454 INFO L225 Difference]: With dead ends: 26258 [2024-11-19 03:52:44,454 INFO L226 Difference]: Without dead ends: 17531 [2024-11-19 03:52:44,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:52:44,512 INFO L432 NwaCegarLoop]: 1879 mSDtfsCounter, 1868 mSDsluCounter, 5608 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 7487 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:44,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 7487 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:52:44,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17531 states. [2024-11-19 03:52:45,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17531 to 17512. [2024-11-19 03:52:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17512 states, 12566 states have (on average 1.3669425433710012) internal successors, (17177), 12982 states have internal predecessors, (17177), 4030 states have call successors, (4030), 916 states have call predecessors, (4030), 915 states have return successors, (4102), 3925 states have call predecessors, (4102), 4029 states have call successors, (4102) [2024-11-19 03:52:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17512 states to 17512 states and 25309 transitions. [2024-11-19 03:52:45,303 INFO L78 Accepts]: Start accepts. Automaton has 17512 states and 25309 transitions. Word has length 119 [2024-11-19 03:52:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:45,304 INFO L471 AbstractCegarLoop]: Abstraction has 17512 states and 25309 transitions. [2024-11-19 03:52:45,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 17512 states and 25309 transitions. [2024-11-19 03:52:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 03:52:45,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:45,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:52:45,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:52:45,308 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:45,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash -316078633, now seen corresponding path program 1 times [2024-11-19 03:52:45,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:45,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058634965] [2024-11-19 03:52:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:52:46,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:46,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058634965] [2024-11-19 03:52:46,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058634965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:46,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:52:46,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:52:46,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740110652] [2024-11-19 03:52:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:46,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:52:46,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:52:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:52:46,488 INFO L87 Difference]: Start difference. First operand 17512 states and 25309 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:47,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:47,676 INFO L93 Difference]: Finished difference Result 51071 states and 73882 transitions. [2024-11-19 03:52:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:52:47,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 117 [2024-11-19 03:52:47,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:47,928 INFO L225 Difference]: With dead ends: 51071 [2024-11-19 03:52:47,928 INFO L226 Difference]: Without dead ends: 33582 [2024-11-19 03:52:48,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:52:48,170 INFO L432 NwaCegarLoop]: 3163 mSDtfsCounter, 1865 mSDsluCounter, 8174 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 11337 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:48,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 11337 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:52:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33582 states. [2024-11-19 03:52:50,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33582 to 33341. [2024-11-19 03:52:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33341 states, 23911 states have (on average 1.366191292710468) internal successors, (32667), 24735 states have internal predecessors, (32667), 7674 states have call successors, (7674), 1756 states have call predecessors, (7674), 1755 states have return successors, (7886), 7437 states have call predecessors, (7886), 7673 states have call successors, (7886) [2024-11-19 03:52:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33341 states to 33341 states and 48227 transitions. [2024-11-19 03:52:50,398 INFO L78 Accepts]: Start accepts. Automaton has 33341 states and 48227 transitions. Word has length 117 [2024-11-19 03:52:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:50,399 INFO L471 AbstractCegarLoop]: Abstraction has 33341 states and 48227 transitions. [2024-11-19 03:52:50,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-19 03:52:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 33341 states and 48227 transitions. [2024-11-19 03:52:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 03:52:50,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:50,402 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:52:50,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:52:50,403 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:50,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:50,404 INFO L85 PathProgramCache]: Analyzing trace with hash 846634998, now seen corresponding path program 1 times [2024-11-19 03:52:50,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:50,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431406932] [2024-11-19 03:52:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:50,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:52:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-19 03:52:52,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:52:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431406932] [2024-11-19 03:52:52,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431406932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:52:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38055211] [2024-11-19 03:52:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:52,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:52:52,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:52:52,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:52:52,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:52:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:52:53,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 3580 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 03:52:53,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:52:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:52:54,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:52:54,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38055211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:52:54,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:52:54,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-19 03:52:54,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783156569] [2024-11-19 03:52:54,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:52:54,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:52:54,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:52:54,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:52:54,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 03:52:54,224 INFO L87 Difference]: Start difference. First operand 33341 states and 48227 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:52:56,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:52:56,260 INFO L93 Difference]: Finished difference Result 82929 states and 119937 transitions. [2024-11-19 03:52:56,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 03:52:56,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 130 [2024-11-19 03:52:56,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:52:56,854 INFO L225 Difference]: With dead ends: 82929 [2024-11-19 03:52:56,854 INFO L226 Difference]: Without dead ends: 49611 [2024-11-19 03:52:56,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-19 03:52:56,988 INFO L432 NwaCegarLoop]: 2997 mSDtfsCounter, 1897 mSDsluCounter, 13847 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 16844 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:52:56,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 16844 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:52:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49611 states. [2024-11-19 03:52:58,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49611 to 43837. [2024-11-19 03:52:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43837 states, 31459 states have (on average 1.3624400012714963) internal successors, (42861), 32511 states have internal predecessors, (42861), 10039 states have call successors, (10039), 2323 states have call predecessors, (10039), 2338 states have return successors, (10450), 9740 states have call predecessors, (10450), 10038 states have call successors, (10450) [2024-11-19 03:52:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 63350 transitions. [2024-11-19 03:52:59,509 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 63350 transitions. Word has length 130 [2024-11-19 03:52:59,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:52:59,510 INFO L471 AbstractCegarLoop]: Abstraction has 43837 states and 63350 transitions. [2024-11-19 03:52:59,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:52:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 63350 transitions. [2024-11-19 03:52:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 03:52:59,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:52:59,513 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:52:59,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:52:59,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:52:59,714 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:52:59,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:52:59,716 INFO L85 PathProgramCache]: Analyzing trace with hash -641676855, now seen corresponding path program 1 times [2024-11-19 03:52:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:52:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948037449] [2024-11-19 03:52:59,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:52:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:53:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:53:01,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:53:01,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948037449] [2024-11-19 03:53:01,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948037449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:53:01,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803049924] [2024-11-19 03:53:01,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:53:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:53:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:53:01,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:53:01,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:53:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:03,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 3582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 03:53:03,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:53:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:53:03,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:53:03,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803049924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:53:03,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:53:03,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-19 03:53:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612624749] [2024-11-19 03:53:03,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:53:03,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:53:03,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:53:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:53:03,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-19 03:53:03,235 INFO L87 Difference]: Start difference. First operand 43837 states and 63350 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:53:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:53:05,660 INFO L93 Difference]: Finished difference Result 109506 states and 158314 transitions. [2024-11-19 03:53:05,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 03:53:05,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 131 [2024-11-19 03:53:05,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:53:06,185 INFO L225 Difference]: With dead ends: 109506 [2024-11-19 03:53:06,185 INFO L226 Difference]: Without dead ends: 65692 [2024-11-19 03:53:06,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-19 03:53:06,387 INFO L432 NwaCegarLoop]: 3167 mSDtfsCounter, 1896 mSDsluCounter, 14514 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 17681 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:53:06,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 17681 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:53:06,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65692 states. [2024-11-19 03:53:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65692 to 54373. [2024-11-19 03:53:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54373 states, 39031 states have (on average 1.359919038712818) internal successors, (53079), 40335 states have internal predecessors, (53079), 12404 states have call successors, (12404), 2890 states have call predecessors, (12404), 2937 states have return successors, (13022), 12035 states have call predecessors, (13022), 12403 states have call successors, (13022) [2024-11-19 03:53:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54373 states to 54373 states and 78505 transitions. [2024-11-19 03:53:09,293 INFO L78 Accepts]: Start accepts. Automaton has 54373 states and 78505 transitions. Word has length 131 [2024-11-19 03:53:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:53:09,294 INFO L471 AbstractCegarLoop]: Abstraction has 54373 states and 78505 transitions. [2024-11-19 03:53:09,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:53:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 54373 states and 78505 transitions. [2024-11-19 03:53:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-19 03:53:09,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:53:09,298 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:53:09,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 03:53:09,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:53:09,499 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:53:09,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:53:09,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1907227183, now seen corresponding path program 1 times [2024-11-19 03:53:09,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:53:09,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731538084] [2024-11-19 03:53:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:53:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:53:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:53:11,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:53:11,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731538084] [2024-11-19 03:53:11,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731538084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:53:11,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908036186] [2024-11-19 03:53:11,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:53:11,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:53:11,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:53:11,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:53:11,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 03:53:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:13,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 03:53:13,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:53:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 03:53:13,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:53:13,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908036186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:53:13,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:53:13,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-19 03:53:13,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211824291] [2024-11-19 03:53:13,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:53:13,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:53:13,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:53:13,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:53:13,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-19 03:53:13,490 INFO L87 Difference]: Start difference. First operand 54373 states and 78505 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11)