./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx --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 0.2.3-dev-527bcce [2023-11-21 22:05:36,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:36,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:05:36,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:36,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:36,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:36,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:36,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:36,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:36,255 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:36,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:36,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:36,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:36,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:36,259 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:36,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:36,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:36,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:36,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:36,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:36,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:36,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:36,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:36,264 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:36,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:36,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:36,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:36,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:36,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:36,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:36,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:36,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:36,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:36,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:36,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:36,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:36,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:36,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:36,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:36,288 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e [2023-11-21 22:05:36,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:36,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:36,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:36,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:36,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:36,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/../../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 [2023-11-21 22:05:39,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:40,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:40,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/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 [2023-11-21 22:05:40,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/data/f71be8884/f832ed1013e94f75a3769352d749d170/FLAGa720c92ec [2023-11-21 22:05:40,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/data/f71be8884/f832ed1013e94f75a3769352d749d170 [2023-11-21 22:05:40,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:40,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:40,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:40,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:40,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:40,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:40" (1/1) ... [2023-11-21 22:05:40,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c43eb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:40, skipping insertion in model container [2023-11-21 22:05:40,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:40" (1/1) ... [2023-11-21 22:05:40,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:42,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/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] [2023-11-21 22:05:42,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:42,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:43,156 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] [2023-11-21 22:05:43,158 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] [2023-11-21 22:05:43,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2023-11-21 22:05:43,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2023-11-21 22:05:43,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2023-11-21 22:05:43,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2023-11-21 22:05:43,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/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] [2023-11-21 22:05:43,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:43,473 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:43,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43 WrapperNode [2023-11-21 22:05:43,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:43,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:43,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:43,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:43,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:43,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:43,742 INFO L138 Inliner]: procedures = 228, calls = 2114, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3361 [2023-11-21 22:05:43,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:43,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:43,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:43,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:43,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:43,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:43,778 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,279 INFO L187 HeapSplitter]: Split 922 memory accesses to 32 slices as follows [192, 14, 6, 6, 16, 11, 6, 14, 8, 6, 224, 7, 6, 2, 2, 6, 7, 14, 7, 259, 6, 6, 6, 4, 7, 6, 6, 14, 5, 2, 41, 6] [2023-11-21 22:05:44,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:44,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:44,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:44,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:44,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (1/1) ... [2023-11-21 22:05:44,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:44,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:44,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:44,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95655aff-dc7d-4665-bd6f-3fad72dfec92/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2023-11-21 22:05:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2023-11-21 22:05:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2023-11-21 22:05:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2023-11-21 22:05:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2023-11-21 22:05:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2023-11-21 22:05:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:05:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:05:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:05:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:05:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 22:05:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 22:05:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:05:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:05:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2023-11-21 22:05:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2023-11-21 22:05:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2023-11-21 22:05:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2023-11-21 22:05:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2023-11-21 22:05:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2023-11-21 22:05:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:05:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:05:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2023-11-21 22:05:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2023-11-21 22:05:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:05:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:05:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2023-11-21 22:05:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2023-11-21 22:05:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-21 22:05:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-21 22:05:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2023-11-21 22:05:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2023-11-21 22:05:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2023-11-21 22:05:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2023-11-21 22:05:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:05:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2023-11-21 22:05:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 22:05:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 22:05:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-21 22:05:44,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-21 22:05:44,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-21 22:05:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-21 22:05:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 22:05:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 22:05:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:05:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:05:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:05:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 22:05:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 22:05:44,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-21 22:05:44,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-21 22:05:44,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-21 22:05:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-21 22:05:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-21 22:05:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-21 22:05:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-21 22:05:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:05:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:05:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 22:05:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 22:05:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2023-11-21 22:05:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2023-11-21 22:05:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2023-11-21 22:05:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2023-11-21 22:05:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:05:44,625 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:05:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:05:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:05:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2023-11-21 22:05:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2023-11-21 22:05:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2023-11-21 22:05:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2023-11-21 22:05:44,626 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2023-11-21 22:05:44,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:05:44,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 22:05:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-21 22:05:44,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-21 22:05:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-21 22:05:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2023-11-21 22:05:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2023-11-21 22:05:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:05:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:05:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-21 22:05:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-21 22:05:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:05:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:05:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2023-11-21 22:05:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2023-11-21 22:05:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:05:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:05:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:05:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:05:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-11-21 22:05:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-11-21 22:05:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2023-11-21 22:05:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2023-11-21 22:05:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:05:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:05:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 22:05:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 22:05:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-21 22:05:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-21 22:05:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-21 22:05:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-21 22:05:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-21 22:05:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2023-11-21 22:05:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2023-11-21 22:05:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-21 22:05:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-21 22:05:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-21 22:05:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-21 22:05:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 22:05:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 22:05:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:05:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:05:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:05:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:05:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:05:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:05:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:05:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-21 22:05:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-21 22:05:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 22:05:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 22:05:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2023-11-21 22:05:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2023-11-21 22:05:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-21 22:05:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-21 22:05:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 22:05:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 22:05:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-21 22:05:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-21 22:05:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-21 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-21 22:05:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-21 22:05:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-21 22:05:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-21 22:05:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-21 22:05:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-21 22:05:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-21 22:05:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2023-11-21 22:05:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2023-11-21 22:05:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2023-11-21 22:05:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2023-11-21 22:05:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2023-11-21 22:05:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2023-11-21 22:05:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2023-11-21 22:05:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2023-11-21 22:05:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:05:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:05:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2023-11-21 22:05:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2023-11-21 22:05:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:05:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:05:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-21 22:05:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:05:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 22:05:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-21 22:05:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-21 22:05:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-21 22:05:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-21 22:05:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-21 22:05:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-21 22:05:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-21 22:05:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-21 22:05:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-21 22:05:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-21 22:05:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-21 22:05:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-21 22:05:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:45,349 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:45,353 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:45,398 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:05:49,687 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:51,561 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:51,561 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 22:05:51,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:51 BoogieIcfgContainer [2023-11-21 22:05:51,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:51,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:51,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:51,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:51,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:40" (1/3) ... [2023-11-21 22:05:51,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbe331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:51, skipping insertion in model container [2023-11-21 22:05:51,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:43" (2/3) ... [2023-11-21 22:05:51,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cbe331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:51, skipping insertion in model container [2023-11-21 22:05:51,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:51" (3/3) ... [2023-11-21 22:05:51,581 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2023-11-21 22:05:51,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:51,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:51,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:51,724 INFO L357 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, mHoare=true, 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;@1abd8cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:51,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 969 states, 584 states have (on average 1.345890410958904) internal successors, (786), 639 states have internal predecessors, (786), 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) [2023-11-21 22:05:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 22:05:51,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:51,754 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:05:51,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:51,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash -922866666, now seen corresponding path program 1 times [2023-11-21 22:05:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:51,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693232736] [2023-11-21 22:05:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:05:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:05:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:05:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:05:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:05:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:05:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 22:05:53,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:05:53,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693232736] [2023-11-21 22:05:53,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693232736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:53,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:53,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:05:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597288847] [2023-11-21 22:05:53,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:53,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:05:53,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:05:53,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:05:53,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:05:53,435 INFO L87 Difference]: Start difference. First operand has 969 states, 584 states have (on average 1.345890410958904) internal successors, (786), 639 states have internal predecessors, (786), 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 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-21 22:06:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:05,371 INFO L93 Difference]: Finished difference Result 2620 states and 3870 transitions. [2023-11-21 22:06:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:06:05,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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 49 [2023-11-21 22:06:05,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:05,421 INFO L225 Difference]: With dead ends: 2620 [2023-11-21 22:06:05,421 INFO L226 Difference]: Without dead ends: 1641 [2023-11-21 22:06:05,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:06:05,442 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 979 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:05,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 3166 Invalid, 2241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [567 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-11-21 22:06:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-11-21 22:06:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1603. [2023-11-21 22:06:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 992 states have (on average 1.3477822580645162) internal successors, (1337), 1085 states have internal predecessors, (1337), 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) [2023-11-21 22:06:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2348 transitions. [2023-11-21 22:06:05,734 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2348 transitions. Word has length 49 [2023-11-21 22:06:05,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:05,735 INFO L495 AbstractCegarLoop]: Abstraction has 1603 states and 2348 transitions. [2023-11-21 22:06:05,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-21 22:06:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2348 transitions. [2023-11-21 22:06:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 22:06:05,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:05,743 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:06:05,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:05,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:05,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1007527963, now seen corresponding path program 1 times [2023-11-21 22:06:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:05,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992815385] [2023-11-21 22:06:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:05,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:06:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:06:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:06:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:06:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 22:06:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992815385] [2023-11-21 22:06:06,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992815385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:06,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:06,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:06:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487305179] [2023-11-21 22:06:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:06,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:06:06,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:06,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:06:06,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:06:06,806 INFO L87 Difference]: Start difference. First operand 1603 states and 2348 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-21 22:06:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:16,904 INFO L93 Difference]: Finished difference Result 3226 states and 4734 transitions. [2023-11-21 22:06:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:06:16,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 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 75 [2023-11-21 22:06:16,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:16,920 INFO L225 Difference]: With dead ends: 3226 [2023-11-21 22:06:16,920 INFO L226 Difference]: Without dead ends: 1637 [2023-11-21 22:06:16,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:06:16,932 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 115 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 3145 SdHoareTripleChecker+Invalid, 1949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:16,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 3145 Invalid, 1949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [307 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-21 22:06:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2023-11-21 22:06:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1603. [2023-11-21 22:06:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 992 states have (on average 1.346774193548387) internal successors, (1336), 1085 states have internal predecessors, (1336), 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) [2023-11-21 22:06:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2347 transitions. [2023-11-21 22:06:17,158 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2347 transitions. Word has length 75 [2023-11-21 22:06:17,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:17,163 INFO L495 AbstractCegarLoop]: Abstraction has 1603 states and 2347 transitions. [2023-11-21 22:06:17,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-21 22:06:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2347 transitions. [2023-11-21 22:06:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 22:06:17,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:17,174 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:06:17,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:06:17,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:17,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1614422161, now seen corresponding path program 1 times [2023-11-21 22:06:17,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:17,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447885981] [2023-11-21 22:06:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:06:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:06:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 22:06:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:06:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-21 22:06:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-21 22:06:19,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:19,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447885981] [2023-11-21 22:06:19,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447885981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:19,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:19,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:06:19,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571490468] [2023-11-21 22:06:19,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:19,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:06:19,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:19,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:06:19,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:06:19,201 INFO L87 Difference]: Start difference. First operand 1603 states and 2347 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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)