./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /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 -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-dev-4a390ef-m [2024-10-24 14:00:05,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:00:05,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:00:05,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:00:05,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:00:05,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:00:05,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:00:05,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:00:05,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:00:05,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:00:05,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:00:05,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:00:05,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:00:05,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:00:05,890 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:00:05,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:00:05,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:00:05,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:00:05,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:00:05,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:00:05,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:00:05,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:00:05,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:00:05,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:00:05,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:00:05,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:00:05,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:00:05,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:00:05,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:00:05,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:00:05,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:00:05,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:00:05,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:00:05,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:00:05,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:00:05,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:00:05,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:00:05,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:00:05,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:00:05,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e [2024-10-24 14:00:06,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:00:06,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:00:06,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:00:06,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:00:06,163 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:00:06,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-24 14:00:07,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:00:08,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:00:08,080 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 [2024-10-24 14:00:08,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8218f1983/e13825b7efe444f4b2fc11b4b6d6e391/FLAG1aace452e [2024-10-24 14:00:08,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8218f1983/e13825b7efe444f4b2fc11b4b6d6e391 [2024-10-24 14:00:08,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:00:08,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:00:08,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:00:08,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:00:08,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:00:08,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:00:08" (1/1) ... [2024-10-24 14:00:08,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5150d2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:08, skipping insertion in model container [2024-10-24 14:00:08,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:00:08" (1/1) ... [2024-10-24 14:00:08,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:00:09,979 WARN L248 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] [2024-10-24 14:00:10,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:00:10,075 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:00:10,188 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] [2024-10-24 14:00:10,191 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] [2024-10-24 14:00:10,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2024-10-24 14:00:10,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2024-10-24 14:00:10,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2024-10-24 14:00:10,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2024-10-24 14:00:10,460 WARN L248 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] [2024-10-24 14:00:10,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:00:10,536 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:00:10,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10 WrapperNode [2024-10-24 14:00:10,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:00:10,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:00:10,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:00:10,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:00:10,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:10,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:10,741 INFO L138 Inliner]: procedures = 228, calls = 2114, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3580 [2024-10-24 14:00:10,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:00:10,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:00:10,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:00:10,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:00:10,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:10,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:10,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,171 INFO L175 MemorySlicer]: Split 923 memory accesses to 32 slices as follows [192, 8, 6, 14, 11, 7, 16, 6, 7, 6, 14, 6, 2, 6, 2, 2, 6, 7, 14, 224, 6, 6, 7, 6, 4, 6, 6, 14, 5, 41, 6, 260]. 28 percent of accesses are in the largest equivalence class. The 442 initializations are split as follows [192, 8, 6, 14, 11, 0, 16, 6, 0, 6, 14, 6, 0, 6, 0, 2, 6, 0, 14, 0, 6, 6, 0, 6, 4, 6, 6, 14, 4, 41, 6, 36]. The 278 writes are split as follows [0, 0, 0, 0, 0, 6, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 192, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 62]. [2024-10-24 14:00:11,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:00:11,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:00:11,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:00:11,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:00:11,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (1/1) ... [2024-10-24 14:00:11,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:00:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:00:11,467 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) [2024-10-24 14:00:11,474 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 [2024-10-24 14:00:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2024-10-24 14:00:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2024-10-24 14:00:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2024-10-24 14:00:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:00:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:00:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 14:00:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 14:00:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:00:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:00:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2024-10-24 14:00:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2024-10-24 14:00:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2024-10-24 14:00:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2024-10-24 14:00:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2024-10-24 14:00:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2024-10-24 14:00:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:00:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:00:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2024-10-24 14:00:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2024-10-24 14:00:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 14:00:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 14:00:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 14:00:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 14:00:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2024-10-24 14:00:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2024-10-24 14:00:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-24 14:00:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-24 14:00:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2024-10-24 14:00:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2024-10-24 14:00:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2024-10-24 14:00:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-24 14:00:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2024-10-24 14:00:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:00:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:00:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 14:00:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 14:00:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 14:00:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 14:00:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-10-24 14:00:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-24 14:00:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:00:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:00:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:00:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:00:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:00:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 14:00:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-24 14:00:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-24 14:00:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-24 14:00:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-24 14:00:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-10-24 14:00:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-10-24 14:00:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-10-24 14:00:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-10-24 14:00:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-10-24 14:00:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:00:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:00:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-24 14:00:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-24 14:00:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2024-10-24 14:00:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2024-10-24 14:00:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2024-10-24 14:00:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2024-10-24 14:00:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-24 14:00:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-24 14:00:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 14:00:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 14:00:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2024-10-24 14:00:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2024-10-24 14:00:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2024-10-24 14:00:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2024-10-24 14:00:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:00:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-24 14:00:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2024-10-24 14:00:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-24 14:00:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-10-24 14:00:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-10-24 14:00:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 14:00:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 14:00:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2024-10-24 14:00:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2024-10-24 14:00:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-10-24 14:00:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-10-24 14:00:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 14:00:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 14:00:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-10-24 14:00:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-10-24 14:00:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2024-10-24 14:00:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2024-10-24 14:00:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:00:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:00:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:00:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:00:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:00:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:00:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:00:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:00:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:00:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:00:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:00:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:00:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:00:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-24 14:00:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-10-24 14:00:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2024-10-24 14:00:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2024-10-24 14:00:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-10-24 14:00:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-10-24 14:00:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-10-24 14:00:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-10-24 14:00:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-10-24 14:00:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-10-24 14:00:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:00:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 14:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 14:00:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:00:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-24 14:00:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-24 14:00:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2024-10-24 14:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-10-24 14:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2024-10-24 14:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2024-10-24 14:00:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 14:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-24 14:00:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-10-24 14:00:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-24 14:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-24 14:00:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-10-24 14:00:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-10-24 14:00:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2024-10-24 14:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2024-10-24 14:00:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2024-10-24 14:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2024-10-24 14:00:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2024-10-24 14:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2024-10-24 14:00:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2024-10-24 14:00:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-10-24 14:00:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-24 14:00:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2024-10-24 14:00:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-24 14:00:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-10-24 14:00:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-10-24 14:00:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:00:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:00:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:00:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-10-24 14:00:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-10-24 14:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-10-24 14:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-10-24 14:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-10-24 14:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-10-24 14:00:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-10-24 14:00:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:00:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:00:12,285 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:00:12,289 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:00:12,333 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:00:15,817 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-10-24 14:00:15,818 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:00:15,975 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:00:15,976 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-24 14:00:15,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:00:15 BoogieIcfgContainer [2024-10-24 14:00:15,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:00:15,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:00:15,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:00:15,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:00:15,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:00:08" (1/3) ... [2024-10-24 14:00:15,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35270de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:00:15, skipping insertion in model container [2024-10-24 14:00:15,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:00:10" (2/3) ... [2024-10-24 14:00:15,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35270de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:00:15, skipping insertion in model container [2024-10-24 14:00:15,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:00:15" (3/3) ... [2024-10-24 14:00:15,986 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-10-24 14:00:16,001 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:00:16,002 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 14:00:16,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:00:16,131 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;@3ced2491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:00:16,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 14:00:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 1198 states, 813 states have (on average 1.4280442804428044) internal successors, (1161), 848 states have internal predecessors, (1161), 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) [2024-10-24 14:00:16,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 14:00:16,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:16,158 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:00:16,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:16,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:16,165 INFO L85 PathProgramCache]: Analyzing trace with hash 666393609, now seen corresponding path program 1 times [2024-10-24 14:00:16,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:16,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141841803] [2024-10-24 14:00:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:16,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:16,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 14:00:17,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:17,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141841803] [2024-10-24 14:00:17,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141841803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:17,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:17,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:00:17,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604870031] [2024-10-24 14:00:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:17,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:00:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:17,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:00:17,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:00:17,093 INFO L87 Difference]: Start difference. First operand has 1198 states, 813 states have (on average 1.4280442804428044) internal successors, (1161), 848 states have internal predecessors, (1161), 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 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 14:00:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:19,785 INFO L93 Difference]: Finished difference Result 2534 states and 3866 transitions. [2024-10-24 14:00:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 14:00:19,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-24 14:00:19,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:19,827 INFO L225 Difference]: With dead ends: 2534 [2024-10-24 14:00:19,827 INFO L226 Difference]: Without dead ends: 1329 [2024-10-24 14:00:19,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:00:19,849 INFO L432 NwaCegarLoop]: 1477 mSDtfsCounter, 485 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:19,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 3021 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 14:00:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-10-24 14:00:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1188. [2024-10-24 14:00:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 811 states have (on average 1.409371146732429) internal successors, (1143), 838 states have internal predecessors, (1143), 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) [2024-10-24 14:00:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1772 transitions. [2024-10-24 14:00:20,038 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1772 transitions. Word has length 56 [2024-10-24 14:00:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:20,039 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1772 transitions. [2024-10-24 14:00:20,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 14:00:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1772 transitions. [2024-10-24 14:00:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 14:00:20,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:20,047 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:00:20,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:00:20,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:20,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:20,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1448025073, now seen corresponding path program 1 times [2024-10-24 14:00:20,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:20,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453338223] [2024-10-24 14:00:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 14:00:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453338223] [2024-10-24 14:00:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453338223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:20,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:20,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:00:20,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933390253] [2024-10-24 14:00:20,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:20,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:00:20,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:20,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:00:20,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:00:20,527 INFO L87 Difference]: Start difference. First operand 1188 states and 1772 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 14:00:23,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:23,975 INFO L93 Difference]: Finished difference Result 3443 states and 5194 transitions. [2024-10-24 14:00:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:00:23,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 4 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 56 [2024-10-24 14:00:23,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:23,993 INFO L225 Difference]: With dead ends: 3443 [2024-10-24 14:00:23,993 INFO L226 Difference]: Without dead ends: 2262 [2024-10-24 14:00:23,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:00:24,003 INFO L432 NwaCegarLoop]: 1460 mSDtfsCounter, 1971 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 4250 SdHoareTripleChecker+Invalid, 2556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:24,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 4250 Invalid, 2556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-24 14:00:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-24 14:00:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 1987. [2024-10-24 14:00:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1376 states have (on average 1.4215116279069768) internal successors, (1956), 1428 states have internal predecessors, (1956), 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) [2024-10-24 14:00:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2967 transitions. [2024-10-24 14:00:24,117 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2967 transitions. Word has length 56 [2024-10-24 14:00:24,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:24,117 INFO L471 AbstractCegarLoop]: Abstraction has 1987 states and 2967 transitions. [2024-10-24 14:00:24,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 14:00:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2967 transitions. [2024-10-24 14:00:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 14:00:24,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:24,125 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:00:24,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:00:24,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:24,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash -939703960, now seen corresponding path program 1 times [2024-10-24 14:00:24,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:24,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970491610] [2024-10-24 14:00:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:00:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:00:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-24 14:00:24,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:24,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970491610] [2024-10-24 14:00:24,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970491610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:24,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:24,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:00:24,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850067649] [2024-10-24 14:00:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:24,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:00:24,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:24,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:00:24,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:00:24,606 INFO L87 Difference]: Start difference. First operand 1987 states and 2967 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 14:00:27,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:27,294 INFO L93 Difference]: Finished difference Result 4231 states and 6378 transitions. [2024-10-24 14:00:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:00:27,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 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 84 [2024-10-24 14:00:27,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:27,311 INFO L225 Difference]: With dead ends: 4231 [2024-10-24 14:00:27,312 INFO L226 Difference]: Without dead ends: 2258 [2024-10-24 14:00:27,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:00:27,324 INFO L432 NwaCegarLoop]: 1465 mSDtfsCounter, 483 mSDsluCounter, 2803 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:27,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 4268 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 14:00:27,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2024-10-24 14:00:27,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 1987. [2024-10-24 14:00:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1376 states have (on average 1.4207848837209303) internal successors, (1955), 1428 states have internal predecessors, (1955), 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) [2024-10-24 14:00:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2966 transitions. [2024-10-24 14:00:27,417 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2966 transitions. Word has length 84 [2024-10-24 14:00:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:27,419 INFO L471 AbstractCegarLoop]: Abstraction has 1987 states and 2966 transitions. [2024-10-24 14:00:27,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-24 14:00:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2966 transitions. [2024-10-24 14:00:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 14:00:27,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:27,425 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:00:27,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:00:27,425 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:27,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash -285238348, now seen corresponding path program 1 times [2024-10-24 14:00:27,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:27,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029171363] [2024-10-24 14:00:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:00:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:00:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:00:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-24 14:00:27,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:27,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029171363] [2024-10-24 14:00:27,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029171363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:27,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:27,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:00:27,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362849466] [2024-10-24 14:00:27,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:27,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:00:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:00:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:00:27,856 INFO L87 Difference]: Start difference. First operand 1987 states and 2966 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 14:00:30,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:30,424 INFO L93 Difference]: Finished difference Result 2263 states and 3433 transitions. [2024-10-24 14:00:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:00:30,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 4 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 98 [2024-10-24 14:00:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:30,444 INFO L225 Difference]: With dead ends: 2263 [2024-10-24 14:00:30,444 INFO L226 Difference]: Without dead ends: 2260 [2024-10-24 14:00:30,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:00:30,448 INFO L432 NwaCegarLoop]: 1463 mSDtfsCounter, 484 mSDsluCounter, 2802 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 4265 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:30,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 4265 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 14:00:30,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2024-10-24 14:00:30,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 1989. [2024-10-24 14:00:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1989 states, 1378 states have (on average 1.4201741654571842) internal successors, (1957), 1430 states have internal predecessors, (1957), 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) [2024-10-24 14:00:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2968 transitions. [2024-10-24 14:00:30,556 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2968 transitions. Word has length 98 [2024-10-24 14:00:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:30,557 INFO L471 AbstractCegarLoop]: Abstraction has 1989 states and 2968 transitions. [2024-10-24 14:00:30,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 14:00:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2968 transitions. [2024-10-24 14:00:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 14:00:30,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:30,560 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:00:30,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:00:30,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:30,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:30,562 INFO L85 PathProgramCache]: Analyzing trace with hash 255525689, now seen corresponding path program 1 times [2024-10-24 14:00:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39896321] [2024-10-24 14:00:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:30,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:00:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:00:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:00:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-10-24 14:00:31,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:31,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39896321] [2024-10-24 14:00:31,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39896321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:31,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:31,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:00:31,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958280477] [2024-10-24 14:00:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:31,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:00:31,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:31,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:00:31,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:00:31,367 INFO L87 Difference]: Start difference. First operand 1989 states and 2968 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 14:00:33,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:33,987 INFO L93 Difference]: Finished difference Result 4271 states and 6412 transitions. [2024-10-24 14:00:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 14:00:33,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (11), 5 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 100 [2024-10-24 14:00:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:34,004 INFO L225 Difference]: With dead ends: 4271 [2024-10-24 14:00:34,005 INFO L226 Difference]: Without dead ends: 2297 [2024-10-24 14:00:34,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 14:00:34,016 INFO L432 NwaCegarLoop]: 1465 mSDtfsCounter, 1012 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 4657 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:34,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 4657 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 14:00:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2024-10-24 14:00:34,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2024. [2024-10-24 14:00:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1400 states have (on average 1.4142857142857144) internal successors, (1980), 1452 states have internal predecessors, (1980), 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) [2024-10-24 14:00:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2997 transitions. [2024-10-24 14:00:34,102 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2997 transitions. Word has length 100 [2024-10-24 14:00:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:34,102 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 2997 transitions. [2024-10-24 14:00:34,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 14:00:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2997 transitions. [2024-10-24 14:00:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 14:00:34,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:34,109 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:00:34,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:00:34,111 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:34,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:34,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1714383503, now seen corresponding path program 1 times [2024-10-24 14:00:34,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:34,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833600364] [2024-10-24 14:00:34,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:34,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:00:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:00:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 14:00:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 14:00:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:00:34,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:34,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833600364] [2024-10-24 14:00:34,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833600364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:34,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:34,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 14:00:34,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531837061] [2024-10-24 14:00:34,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:34,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:00:34,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:34,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:00:34,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:00:34,685 INFO L87 Difference]: Start difference. First operand 2024 states and 2997 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:41,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:41,387 INFO L93 Difference]: Finished difference Result 6626 states and 9944 transitions. [2024-10-24 14:00:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 14:00:41,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 6 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 101 [2024-10-24 14:00:41,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:41,416 INFO L225 Difference]: With dead ends: 6626 [2024-10-24 14:00:41,416 INFO L226 Difference]: Without dead ends: 4621 [2024-10-24 14:00:41,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-10-24 14:00:41,427 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 3981 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 5765 mSolverCounterSat, 2221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4245 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 7986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2221 IncrementalHoareTripleChecker+Valid, 5765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:41,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4245 Valid, 4574 Invalid, 7986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2221 Valid, 5765 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-10-24 14:00:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2024-10-24 14:00:41,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 4060. [2024-10-24 14:00:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4060 states, 2800 states have (on average 1.4132142857142858) internal successors, (3957), 2914 states have internal predecessors, (3957), 1030 states have call successors, (1030), 228 states have call predecessors, (1030), 229 states have return successors, (1036), 995 states have call predecessors, (1036), 1029 states have call successors, (1036) [2024-10-24 14:00:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 4060 states and 6023 transitions. [2024-10-24 14:00:41,657 INFO L78 Accepts]: Start accepts. Automaton has 4060 states and 6023 transitions. Word has length 101 [2024-10-24 14:00:41,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:41,658 INFO L471 AbstractCegarLoop]: Abstraction has 4060 states and 6023 transitions. [2024-10-24 14:00:41,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4060 states and 6023 transitions. [2024-10-24 14:00:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 14:00:41,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:41,661 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:00:41,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:00:41,661 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:41,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:41,662 INFO L85 PathProgramCache]: Analyzing trace with hash 311072985, now seen corresponding path program 1 times [2024-10-24 14:00:41,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:41,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018897144] [2024-10-24 14:00:41,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:41,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 14:00:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 14:00:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 14:00:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:00:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:00:42,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:42,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018897144] [2024-10-24 14:00:42,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018897144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:42,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:42,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 14:00:42,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028573277] [2024-10-24 14:00:42,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:42,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:00:42,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:42,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:00:42,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:00:42,161 INFO L87 Difference]: Start difference. First operand 4060 states and 6023 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:48,625 INFO L93 Difference]: Finished difference Result 13260 states and 19912 transitions. [2024-10-24 14:00:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 14:00:48,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (15), 6 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 102 [2024-10-24 14:00:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:48,689 INFO L225 Difference]: With dead ends: 13260 [2024-10-24 14:00:48,689 INFO L226 Difference]: Without dead ends: 9219 [2024-10-24 14:00:48,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-10-24 14:00:48,717 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 3971 mSDsluCounter, 4057 mSDsCounter, 0 mSdLazyCounter, 5989 mSolverCounterSat, 2158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 8147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2158 IncrementalHoareTripleChecker+Valid, 5989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:48,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4235 Valid, 5072 Invalid, 8147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2158 Valid, 5989 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-10-24 14:00:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9219 states. [2024-10-24 14:00:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9219 to 8104. [2024-10-24 14:00:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8104 states, 5594 states have (on average 1.412763675366464) internal successors, (7903), 5820 states have internal predecessors, (7903), 2052 states have call successors, (2052), 454 states have call predecessors, (2052), 457 states have return successors, (2077), 1985 states have call predecessors, (2077), 2051 states have call successors, (2077) [2024-10-24 14:00:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8104 states to 8104 states and 12032 transitions. [2024-10-24 14:00:49,252 INFO L78 Accepts]: Start accepts. Automaton has 8104 states and 12032 transitions. Word has length 102 [2024-10-24 14:00:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:49,255 INFO L471 AbstractCegarLoop]: Abstraction has 8104 states and 12032 transitions. [2024-10-24 14:00:49,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 8104 states and 12032 transitions. [2024-10-24 14:00:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 14:00:49,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:49,258 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:00:49,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:00:49,258 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:49,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:49,259 INFO L85 PathProgramCache]: Analyzing trace with hash 540158870, now seen corresponding path program 1 times [2024-10-24 14:00:49,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:49,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161925008] [2024-10-24 14:00:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:49,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 14:00:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:00:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:00:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 14:00:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:00:49,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:49,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161925008] [2024-10-24 14:00:49,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161925008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:49,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:49,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 14:00:49,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328613749] [2024-10-24 14:00:49,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:49,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:00:49,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:49,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:00:49,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:00:49,731 INFO L87 Difference]: Start difference. First operand 8104 states and 12032 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:56,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:00:56,180 INFO L93 Difference]: Finished difference Result 26514 states and 39828 transitions. [2024-10-24 14:00:56,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 14:00:56,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (15), 6 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 104 [2024-10-24 14:00:56,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:00:56,284 INFO L225 Difference]: With dead ends: 26514 [2024-10-24 14:00:56,285 INFO L226 Difference]: Without dead ends: 18429 [2024-10-24 14:00:56,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-10-24 14:00:56,332 INFO L432 NwaCegarLoop]: 875 mSDtfsCounter, 3969 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 5737 mSolverCounterSat, 2228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4233 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 7965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2228 IncrementalHoareTripleChecker+Valid, 5737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-24 14:00:56,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4233 Valid, 4538 Invalid, 7965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2228 Valid, 5737 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-10-24 14:00:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18429 states. [2024-10-24 14:00:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18429 to 16202. [2024-10-24 14:00:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16202 states, 11192 states have (on average 1.412169406719085) internal successors, (15805), 11640 states have internal predecessors, (15805), 4094 states have call successors, (4094), 908 states have call predecessors, (4094), 915 states have return successors, (4174), 3965 states have call predecessors, (4174), 4093 states have call successors, (4174) [2024-10-24 14:00:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16202 states to 16202 states and 24073 transitions. [2024-10-24 14:00:57,363 INFO L78 Accepts]: Start accepts. Automaton has 16202 states and 24073 transitions. Word has length 104 [2024-10-24 14:00:57,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:00:57,364 INFO L471 AbstractCegarLoop]: Abstraction has 16202 states and 24073 transitions. [2024-10-24 14:00:57,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:00:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 16202 states and 24073 transitions. [2024-10-24 14:00:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 14:00:57,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:00:57,368 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:00:57,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 14:00:57,368 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:00:57,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:00:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1309662862, now seen corresponding path program 1 times [2024-10-24 14:00:57,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:00:57,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92217894] [2024-10-24 14:00:57,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:00:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:00:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:00:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:00:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:00:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:00:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 14:00:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:00:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:00:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 14:00:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:00:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:00:57,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:00:57,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92217894] [2024-10-24 14:00:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92217894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:00:57,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:00:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 14:00:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93458478] [2024-10-24 14:00:57,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:00:57,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:00:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:00:57,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:00:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:00:57,867 INFO L87 Difference]: Start difference. First operand 16202 states and 24073 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:01:05,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:01:05,268 INFO L93 Difference]: Finished difference Result 51361 states and 77124 transitions. [2024-10-24 14:01:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 14:01:05,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 6 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 103 [2024-10-24 14:01:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:01:05,448 INFO L225 Difference]: With dead ends: 51361 [2024-10-24 14:01:05,448 INFO L226 Difference]: Without dead ends: 35178 [2024-10-24 14:01:05,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-10-24 14:01:05,516 INFO L432 NwaCegarLoop]: 880 mSDtfsCounter, 3968 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 5733 mSolverCounterSat, 2224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4233 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 7957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2224 IncrementalHoareTripleChecker+Valid, 5733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:01:05,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4233 Valid, 4561 Invalid, 7957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2224 Valid, 5733 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-10-24 14:01:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35178 states. [2024-10-24 14:01:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35178 to 30989. [2024-10-24 14:01:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30989 states, 21399 states have (on average 1.4099256974624983) internal successors, (30171), 22239 states have internal predecessors, (30171), 7818 states have call successors, (7818), 1756 states have call predecessors, (7818), 1771 states have return successors, (8046), 7581 states have call predecessors, (8046), 7817 states have call successors, (8046) [2024-10-24 14:01:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30989 states to 30989 states and 46035 transitions. [2024-10-24 14:01:07,267 INFO L78 Accepts]: Start accepts. Automaton has 30989 states and 46035 transitions. Word has length 103 [2024-10-24 14:01:07,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:01:07,268 INFO L471 AbstractCegarLoop]: Abstraction has 30989 states and 46035 transitions. [2024-10-24 14:01:07,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:01:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30989 states and 46035 transitions. [2024-10-24 14:01:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 14:01:07,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:01:07,272 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 14:01:07,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 14:01:07,272 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:01:07,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:01:07,273 INFO L85 PathProgramCache]: Analyzing trace with hash 117449008, now seen corresponding path program 1 times [2024-10-24 14:01:07,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:01:07,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283104450] [2024-10-24 14:01:07,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:07,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:01:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:01:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:01:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:01:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:01:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:01:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:01:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 14:01:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-24 14:01:08,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:01:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283104450] [2024-10-24 14:01:08,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283104450] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:01:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385340844] [2024-10-24 14:01:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:01:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:01:08,342 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) [2024-10-24 14:01:08,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 14:01:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:09,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 3115 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 14:01:09,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:01:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:01:09,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:01:09,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385340844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:01:09,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:01:09,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-10-24 14:01:09,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194573609] [2024-10-24 14:01:09,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:01:09,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:01:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:01:09,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:01:09,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-24 14:01:09,581 INFO L87 Difference]: Start difference. First operand 30989 states and 46035 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-10-24 14:01:12,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:01:12,067 INFO L93 Difference]: Finished difference Result 77097 states and 114505 transitions. [2024-10-24 14:01:12,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 14:01:12,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 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 114 [2024-10-24 14:01:12,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:01:12,369 INFO L225 Difference]: With dead ends: 77097 [2024-10-24 14:01:12,369 INFO L226 Difference]: Without dead ends: 46127 [2024-10-24 14:01:12,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2024-10-24 14:01:12,508 INFO L432 NwaCegarLoop]: 2724 mSDtfsCounter, 1785 mSDsluCounter, 12557 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 15281 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:01:12,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 15281 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 14:01:12,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46127 states. [2024-10-24 14:01:14,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46127 to 40696. [2024-10-24 14:01:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40696 states, 28078 states have (on average 1.4069378160837667) internal successors, (39504), 29154 states have internal predecessors, (39504), 10255 states have call successors, (10255), 2323 states have call predecessors, (10255), 2362 states have return successors, (10690), 9956 states have call predecessors, (10690), 10254 states have call successors, (10690) [2024-10-24 14:01:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40696 states to 40696 states and 60449 transitions. [2024-10-24 14:01:14,973 INFO L78 Accepts]: Start accepts. Automaton has 40696 states and 60449 transitions. Word has length 114 [2024-10-24 14:01:14,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:01:14,974 INFO L471 AbstractCegarLoop]: Abstraction has 40696 states and 60449 transitions. [2024-10-24 14:01:14,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-10-24 14:01:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 40696 states and 60449 transitions. [2024-10-24 14:01:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 14:01:14,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:01:14,977 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 14:01:15,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 14:01:15,178 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,SelfDestructingSolverStorable9 [2024-10-24 14:01:15,179 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:01:15,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:01:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 117618531, now seen corresponding path program 1 times [2024-10-24 14:01:15,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:01:15,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718842539] [2024-10-24 14:01:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:01:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:01:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:01:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:01:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 14:01:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 14:01:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:01:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:01:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 14:01:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:01:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-24 14:01:16,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:01:16,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718842539] [2024-10-24 14:01:16,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718842539] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:01:16,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240797911] [2024-10-24 14:01:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:01:16,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:01:16,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:01:16,227 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) [2024-10-24 14:01:16,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 14:01:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:01:17,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 3117 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 14:01:17,220 INFO L278 TraceCheckSpWp]: Computing forward predicates...