./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 0e0057cc 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_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/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_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme --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 0.2.4-dev-0e0057c [2023-11-26 10:47:17,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:17,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:47:17,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:17,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:17,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:17,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:17,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:17,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:17,902 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:17,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:17,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:17,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:17,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:17,906 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:17,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:17,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:17,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:17,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:17,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:17,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:17,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:17,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:17,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:17,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:17,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:17,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:17,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:17,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:17,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:17,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:17,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:17,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:17,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:17,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:17,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:17,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:17,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:17,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:17,916 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_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e [2023-11-26 10:47:18,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:18,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:18,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:18,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:18,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:18,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/../../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 [2023-11-26 10:47:21,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:21,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:21,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/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 [2023-11-26 10:47:21,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/data/489fc4a90/5ac3cebcbe2f40cfa955a82de5ab1d08/FLAG3c369e643 [2023-11-26 10:47:22,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/data/489fc4a90/5ac3cebcbe2f40cfa955a82de5ab1d08 [2023-11-26 10:47:22,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:22,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:22,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:22,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:22,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:22,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:22" (1/1) ... [2023-11-26 10:47:22,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f3db95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:22, skipping insertion in model container [2023-11-26 10:47:22,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:22" (1/1) ... [2023-11-26 10:47:22,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:24,283 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_dee774b0-f9cb-4fb8-8a37-e826d1359c67/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] [2023-11-26 10:47:24,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:24,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:24,534 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] [2023-11-26 10:47:24,537 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] [2023-11-26 10:47:24,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2023-11-26 10:47:24,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2023-11-26 10:47:24,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2023-11-26 10:47:24,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2023-11-26 10:47:24,839 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_dee774b0-f9cb-4fb8-8a37-e826d1359c67/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] [2023-11-26 10:47:24,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:24,938 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:24,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24 WrapperNode [2023-11-26 10:47:24,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:24,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:24,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:24,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:24,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,313 INFO L138 Inliner]: procedures = 228, calls = 2114, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3443 [2023-11-26 10:47:25,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:25,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:25,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:25,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:25,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,878 INFO L175 MemorySlicer]: Split 923 memory accesses to 32 slices as follows [16, 192, 7, 14, 6, 11, 6, 7, 8, 6, 14, 6, 260, 6, 2, 6, 7, 14, 2, 6, 6, 224, 6, 4, 7, 6, 6, 14, 5, 2, 41, 6]. 28 percent of accesses are in the largest equivalence class. The 442 initializations are split as follows [16, 192, 0, 14, 6, 11, 6, 0, 8, 6, 14, 6, 36, 6, 2, 6, 0, 14, 0, 6, 6, 0, 6, 4, 0, 6, 6, 14, 4, 0, 41, 6]. The 278 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 6, 0, 0, 0, 0, 62, 0, 0, 0, 6, 0, 0, 0, 0, 192, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0]. [2023-11-26 10:47:25,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:25,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:26,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:26,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:26,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:26,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (1/1) ... [2023-11-26 10:47:26,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:26,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:26,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:26,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee774b0-f9cb-4fb8-8a37-e826d1359c67/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2023-11-26 10:47:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2023-11-26 10:47:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2023-11-26 10:47:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2023-11-26 10:47:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2023-11-26 10:47:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2023-11-26 10:47:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:47:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:47:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:47:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:47:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 10:47:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 10:47:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:47:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:47:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2023-11-26 10:47:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2023-11-26 10:47:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2023-11-26 10:47:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2023-11-26 10:47:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2023-11-26 10:47:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2023-11-26 10:47:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-26 10:47:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-26 10:47:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2023-11-26 10:47:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2023-11-26 10:47:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:47:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:47:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:47:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:47:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2023-11-26 10:47:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2023-11-26 10:47:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-26 10:47:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-26 10:47:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2023-11-26 10:47:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2023-11-26 10:47:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2023-11-26 10:47:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2023-11-26 10:47:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-26 10:47:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-26 10:47:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2023-11-26 10:47:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2023-11-26 10:47:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:47:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:47:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:47:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 10:47:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 10:47:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 10:47:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 10:47:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 10:47:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 10:47:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-26 10:47:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 10:47:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:47:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:47:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:47:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:47:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 10:47:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 10:47:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 10:47:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 10:47:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-26 10:47:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:47:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:47:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-26 10:47:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-26 10:47:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2023-11-26 10:47:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2023-11-26 10:47:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2023-11-26 10:47:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2023-11-26 10:47:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-26 10:47:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-26 10:47:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-26 10:47:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-26 10:47:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2023-11-26 10:47:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2023-11-26 10:47:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2023-11-26 10:47:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2023-11-26 10:47:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2023-11-26 10:47:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:47:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:47:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:47:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 10:47:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 10:47:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 10:47:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2023-11-26 10:47:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2023-11-26 10:47:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-26 10:47:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-26 10:47:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-26 10:47:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-26 10:47:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-26 10:47:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-26 10:47:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2023-11-26 10:47:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2023-11-26 10:47:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-26 10:47:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-26 10:47:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 10:47:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 10:47:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2023-11-26 10:47:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2023-11-26 10:47:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2023-11-26 10:47:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2023-11-26 10:47:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:47:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:47:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:47:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 10:47:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 10:47:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 10:47:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 10:47:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2023-11-26 10:47:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2023-11-26 10:47:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-26 10:47:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-26 10:47:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-26 10:47:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-26 10:47:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-26 10:47:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-26 10:47:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:47:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:47:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 10:47:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 10:47:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:47:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-26 10:47:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-26 10:47:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-26 10:47:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-26 10:47:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-26 10:47:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-26 10:47:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2023-11-26 10:47:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2023-11-26 10:47:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-26 10:47:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-26 10:47:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:47:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:47:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:47:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:47:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:47:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 10:47:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 10:47:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-26 10:47:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-26 10:47:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-26 10:47:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-26 10:47:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-26 10:47:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-26 10:47:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-26 10:47:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2023-11-26 10:47:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2023-11-26 10:47:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2023-11-26 10:47:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2023-11-26 10:47:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2023-11-26 10:47:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2023-11-26 10:47:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2023-11-26 10:47:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2023-11-26 10:47:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-26 10:47:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-26 10:47:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2023-11-26 10:47:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2023-11-26 10:47:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-26 10:47:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-26 10:47:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-26 10:47:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-26 10:47:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:47:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:47:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:47:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 10:47:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 10:47:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 10:47:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 10:47:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-26 10:47:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-26 10:47:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:26,963 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:26,968 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:27,061 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:47:31,174 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:31,509 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:31,509 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 10:47:31,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:31 BoogieIcfgContainer [2023-11-26 10:47:31,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:31,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:31,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:31,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:31,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:22" (1/3) ... [2023-11-26 10:47:31,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d57e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:31, skipping insertion in model container [2023-11-26 10:47:31,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:24" (2/3) ... [2023-11-26 10:47:31,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d57e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:31, skipping insertion in model container [2023-11-26 10:47:31,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:31" (3/3) ... [2023-11-26 10:47:31,523 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2023-11-26 10:47:31,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:31,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:47:31,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:31,760 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;@2d21ab6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:31,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:47:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 1144 states, 759 states have (on average 1.458498023715415) internal successors, (1107), 793 states have internal predecessors, (1107), 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) [2023-11-26 10:47:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 10:47:31,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:31,804 INFO L195 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] [2023-11-26 10:47:31,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:31,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:31,817 INFO L85 PathProgramCache]: Analyzing trace with hash 330030028, now seen corresponding path program 1 times [2023-11-26 10:47:31,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:31,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80102200] [2023-11-26 10:47:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:31,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-26 10:47:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:32,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80102200] [2023-11-26 10:47:32,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80102200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:32,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:32,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:32,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816889921] [2023-11-26 10:47:32,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:32,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:32,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:32,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:32,976 INFO L87 Difference]: Start difference. First operand has 1144 states, 759 states have (on average 1.458498023715415) internal successors, (1107), 793 states have internal predecessors, (1107), 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) [2023-11-26 10:47:36,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:36,161 INFO L93 Difference]: Finished difference Result 2417 states and 3749 transitions. [2023-11-26 10:47:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:36,164 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 [2023-11-26 10:47:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:36,201 INFO L225 Difference]: With dead ends: 2417 [2023-11-26 10:47:36,201 INFO L226 Difference]: Without dead ends: 1266 [2023-11-26 10:47:36,217 INFO L412 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 [2023-11-26 10:47:36,226 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 602 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:36,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2343 Invalid, 1550 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [711 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-26 10:47:36,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2023-11-26 10:47:36,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1134. [2023-11-26 10:47:36,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 757 states have (on average 1.4385733157199472) internal successors, (1089), 783 states have internal predecessors, (1089), 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) [2023-11-26 10:47:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1718 transitions. [2023-11-26 10:47:36,429 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1718 transitions. Word has length 56 [2023-11-26 10:47:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:36,430 INFO L495 AbstractCegarLoop]: Abstraction has 1134 states and 1718 transitions. [2023-11-26 10:47:36,430 INFO L496 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) [2023-11-26 10:47:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1718 transitions. [2023-11-26 10:47:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 10:47:36,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:36,435 INFO L195 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] [2023-11-26 10:47:36,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:36,435 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:36,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1784388654, now seen corresponding path program 1 times [2023-11-26 10:47:36,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:36,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009129854] [2023-11-26 10:47:36,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-26 10:47:37,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:37,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009129854] [2023-11-26 10:47:37,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009129854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:37,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:37,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:37,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350743706] [2023-11-26 10:47:37,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:37,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:37,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:37,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:37,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:37,012 INFO L87 Difference]: Start difference. First operand 1134 states and 1718 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) [2023-11-26 10:47:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:42,205 INFO L93 Difference]: Finished difference Result 3274 states and 5025 transitions. [2023-11-26 10:47:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:47:42,212 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 [2023-11-26 10:47:42,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:42,237 INFO L225 Difference]: With dead ends: 3274 [2023-11-26 10:47:42,237 INFO L226 Difference]: Without dead ends: 2147 [2023-11-26 10:47:42,247 INFO L412 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 [2023-11-26 10:47:42,253 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 2098 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 2772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:42,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 3529 Invalid, 2772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1395 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-26 10:47:42,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2023-11-26 10:47:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 1890. [2023-11-26 10:47:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1279 states have (on average 1.4534792806880374) internal successors, (1859), 1330 states have internal predecessors, (1859), 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) [2023-11-26 10:47:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2870 transitions. [2023-11-26 10:47:42,451 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2870 transitions. Word has length 56 [2023-11-26 10:47:42,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:42,452 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2870 transitions. [2023-11-26 10:47:42,453 INFO L496 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) [2023-11-26 10:47:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2870 transitions. [2023-11-26 10:47:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-26 10:47:42,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:42,465 INFO L195 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] [2023-11-26 10:47:42,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:47:42,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:42,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:42,467 INFO L85 PathProgramCache]: Analyzing trace with hash -399765225, now seen corresponding path program 1 times [2023-11-26 10:47:42,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:42,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039524410] [2023-11-26 10:47:42,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:42,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:47:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 10:47:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 10:47:43,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:43,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039524410] [2023-11-26 10:47:43,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039524410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:43,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:43,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:43,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447326433] [2023-11-26 10:47:43,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:43,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:43,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:43,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:43,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:43,106 INFO L87 Difference]: Start difference. First operand 1890 states and 2870 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) [2023-11-26 10:47:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:46,311 INFO L93 Difference]: Finished difference Result 4019 states and 6166 transitions. [2023-11-26 10:47:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:46,312 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 [2023-11-26 10:47:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:46,336 INFO L225 Difference]: With dead ends: 4019 [2023-11-26 10:47:46,336 INFO L226 Difference]: Without dead ends: 2143 [2023-11-26 10:47:46,348 INFO L412 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 [2023-11-26 10:47:46,351 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 598 mSDsluCounter, 2135 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:46,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 3557 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-26 10:47:46,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2023-11-26 10:47:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 1890. [2023-11-26 10:47:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1279 states have (on average 1.452697419859265) internal successors, (1858), 1330 states have internal predecessors, (1858), 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) [2023-11-26 10:47:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2869 transitions. [2023-11-26 10:47:46,484 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2869 transitions. Word has length 84 [2023-11-26 10:47:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:46,487 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2869 transitions. [2023-11-26 10:47:46,491 INFO L496 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) [2023-11-26 10:47:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2869 transitions. [2023-11-26 10:47:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:47:46,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:46,497 INFO L195 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] [2023-11-26 10:47:46,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:47:46,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:46,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:46,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1923540743, now seen corresponding path program 1 times [2023-11-26 10:47:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159767944] [2023-11-26 10:47:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:47:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 10:47:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:47:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-26 10:47:47,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:47,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159767944] [2023-11-26 10:47:47,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159767944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:47,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:47,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:47,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307804482] [2023-11-26 10:47:47,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:47,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:47,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:47,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:47,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:47,167 INFO L87 Difference]: Start difference. First operand 1890 states and 2869 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) [2023-11-26 10:47:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:51,234 INFO L93 Difference]: Finished difference Result 2148 states and 3318 transitions. [2023-11-26 10:47:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:51,235 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 [2023-11-26 10:47:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:51,256 INFO L225 Difference]: With dead ends: 2148 [2023-11-26 10:47:51,256 INFO L226 Difference]: Without dead ends: 2145 [2023-11-26 10:47:51,259 INFO L412 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 [2023-11-26 10:47:51,260 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 458 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 4091 SdHoareTripleChecker+Invalid, 2035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:51,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 4091 Invalid, 2035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-26 10:47:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2023-11-26 10:47:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1892. [2023-11-26 10:47:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1281 states have (on average 1.4519906323185012) internal successors, (1860), 1332 states have internal predecessors, (1860), 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) [2023-11-26 10:47:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2871 transitions. [2023-11-26 10:47:51,399 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2871 transitions. Word has length 98 [2023-11-26 10:47:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:51,400 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2871 transitions. [2023-11-26 10:47:51,401 INFO L496 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) [2023-11-26 10:47:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2871 transitions. [2023-11-26 10:47:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-26 10:47:51,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:51,404 INFO L195 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] [2023-11-26 10:47:51,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:47:51,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:51,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2130387582, now seen corresponding path program 1 times [2023-11-26 10:47:51,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641485671] [2023-11-26 10:47:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:47:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 10:47:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:47:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-26 10:47:52,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641485671] [2023-11-26 10:47:52,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641485671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:52,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:52,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:47:52,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473657441] [2023-11-26 10:47:52,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:52,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:47:52,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:52,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:52,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:52,388 INFO L87 Difference]: Start difference. First operand 1892 states and 2871 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) [2023-11-26 10:47:56,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:56,773 INFO L93 Difference]: Finished difference Result 4059 states and 6200 transitions. [2023-11-26 10:47:56,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:47:56,773 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 [2023-11-26 10:47:56,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:56,797 INFO L225 Difference]: With dead ends: 4059 [2023-11-26 10:47:56,797 INFO L226 Difference]: Without dead ends: 2182 [2023-11-26 10:47:56,811 INFO L412 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 [2023-11-26 10:47:56,812 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 836 mSDsluCounter, 3585 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:56,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 5004 Invalid, 2496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [374 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-26 10:47:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2023-11-26 10:47:56,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1927. [2023-11-26 10:47:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1303 states have (on average 1.4451266308518802) internal successors, (1883), 1354 states have internal predecessors, (1883), 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) [2023-11-26 10:47:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2900 transitions. [2023-11-26 10:47:56,972 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2900 transitions. Word has length 100 [2023-11-26 10:47:56,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:56,973 INFO L495 AbstractCegarLoop]: Abstraction has 1927 states and 2900 transitions. [2023-11-26 10:47:56,973 INFO L496 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) [2023-11-26 10:47:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2900 transitions. [2023-11-26 10:47:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-26 10:47:56,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:56,983 INFO L195 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] [2023-11-26 10:47:56,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:47:56,983 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:56,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2014278332, now seen corresponding path program 1 times [2023-11-26 10:47:56,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:56,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308159118] [2023-11-26 10:47:56,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:56,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:47:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:47:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:47:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-26 10:47:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:47:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:47:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:47:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-26 10:47:57,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:57,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308159118] [2023-11-26 10:47:57,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308159118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:57,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:57,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:47:57,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058754457] [2023-11-26 10:47:57,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:57,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:47:57,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:57,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:47:57,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:57,752 INFO L87 Difference]: Start difference. First operand 1927 states and 2900 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)