./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-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 10:15:50,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 10:15:50,201 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 10:15:50,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 10:15:50,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 10:15:50,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 10:15:50,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 10:15:50,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 10:15:50,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 10:15:50,243 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 10:15:50,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 10:15:50,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 10:15:50,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 10:15:50,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 10:15:50,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 10:15:50,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 10:15:50,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 10:15:50,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 10:15:50,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 10:15:50,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 10:15:50,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 10:15:50,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 10:15:50,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 10:15:50,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 10:15:50,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 10:15:50,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 10:15:50,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 10:15:50,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 10:15:50,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 10:15:50,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 10:15:50,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 10:15:50,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 10:15:50,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 10:15:50,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 10:15:50,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 10:15:50,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 10:15:50,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 10:15:50,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 10:15:50,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 10:15:50,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 [2024-11-12 10:15:50,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 10:15:50,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 10:15:50,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 10:15:50,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 10:15:50,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 10:15:50,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-12 10:15:51,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 10:15:52,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 10:15:52,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-12 10:15:52,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbba3231/fb866660cd0a45e4aff9ba2bf3b95242/FLAG3784f53c8 [2024-11-12 10:15:52,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbba3231/fb866660cd0a45e4aff9ba2bf3b95242 [2024-11-12 10:15:52,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 10:15:52,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 10:15:52,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 10:15:52,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 10:15:52,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 10:15:52,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:15:52" (1/1) ... [2024-11-12 10:15:52,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5faafcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:52, skipping insertion in model container [2024-11-12 10:15:52,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:15:52" (1/1) ... [2024-11-12 10:15:52,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 10:15:53,388 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2024-11-12 10:15:53,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 10:15:53,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 10:15:53,542 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3196] [2024-11-12 10:15:53,544 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"); [3204-3205] [2024-11-12 10:15:53,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3242] [2024-11-12 10:15:53,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3250] [2024-11-12 10:15:53,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (data + i), "i" (1UL)); [3602-3603] [2024-11-12 10:15:53,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3692] [2024-11-12 10:15:53,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3695] [2024-11-12 10:15:53,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3698] [2024-11-12 10:15:53,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3701] [2024-11-12 10:15:53,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3704] [2024-11-12 10:15:53,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3715-3716] [2024-11-12 10:15:53,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3719-3720] [2024-11-12 10:15:53,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3723-3724] [2024-11-12 10:15:53,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3727-3728] [2024-11-12 10:15:53,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3731-3732] [2024-11-12 10:15:53,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (uarg.i), "i" (4UL)); [3741-3742] [2024-11-12 10:15:53,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (uarg.i), "i" (4UL)); [3765-3766] [2024-11-12 10:15:53,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3786-3787] [2024-11-12 10:15:53,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3790-3791] [2024-11-12 10:15:53,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3794-3795] [2024-11-12 10:15:53,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3798-3799] [2024-11-12 10:15:53,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3802-3803] [2024-11-12 10:15:53,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2024-11-12 10:15:53,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 10:15:53,665 INFO L204 MainTranslator]: Completed translation [2024-11-12 10:15:53,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53 WrapperNode [2024-11-12 10:15:53,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 10:15:53,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 10:15:53,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 10:15:53,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 10:15:53,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,766 INFO L138 Inliner]: procedures = 101, calls = 323, calls flagged for inlining = 40, calls inlined = 37, statements flattened = 985 [2024-11-12 10:15:53,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 10:15:53,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 10:15:53,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 10:15:53,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 10:15:53,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,857 INFO L175 MemorySlicer]: Split 104 memory accesses to 13 slices as follows [2, 2, 0, 3, 10, 1, 1, 1, 8, 29, 12, 9, 26]. 28 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [0, 2, 0, 3, 10, 1, 0, 0, 8, 0, 0, 0, 0]. The 71 writes are split as follows [1, 0, 0, 0, 0, 0, 1, 0, 0, 29, 12, 2, 26]. [2024-11-12 10:15:53,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 10:15:53,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 10:15:53,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 10:15:53,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 10:15:53,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (1/1) ... [2024-11-12 10:15:53,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 10:15:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 10:15:53,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 10:15:53,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 10:15:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-12 10:15:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-12 10:15:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 10:15:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 10:15:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 10:15:54,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 10:15:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 10:15:54,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-12 10:15:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 10:15:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 10:15:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 10:15:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 10:15:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 10:15:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 10:15:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 10:15:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 10:15:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 10:15:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 10:15:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 10:15:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-12 10:15:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-12 10:15:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2024-11-12 10:15:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2024-11-12 10:15:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-12 10:15:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-12 10:15:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2024-11-12 10:15:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2024-11-12 10:15:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-12 10:15:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 10:15:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 10:15:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 10:15:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 10:15:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-12 10:15:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-12 10:15:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2024-11-12 10:15:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2024-11-12 10:15:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2024-11-12 10:15:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2024-11-12 10:15:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2024-11-12 10:15:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2024-11-12 10:15:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-12 10:15:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-12 10:15:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 10:15:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-12 10:15:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2024-11-12 10:15:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2024-11-12 10:15:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 10:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 10:15:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 10:15:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2024-11-12 10:15:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 10:15:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2024-11-12 10:15:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2024-11-12 10:15:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 10:15:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 10:15:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 10:15:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 10:15:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 10:15:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-12 10:15:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-12 10:15:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-12 10:15:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-12 10:15:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-12 10:15:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-12 10:15:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-12 10:15:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-12 10:15:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-12 10:15:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-12 10:15:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-12 10:15:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 10:15:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-12 10:15:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2024-11-12 10:15:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 10:15:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 10:15:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2024-11-12 10:15:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2024-11-12 10:15:54,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 10:15:54,383 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 10:15:54,408 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-12 10:16:01,442 INFO L? ?]: Removed 364 outVars from TransFormulas that were not future-live. [2024-11-12 10:16:01,446 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 10:16:01,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 10:16:01,479 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 10:16:01,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:16:01 BoogieIcfgContainer [2024-11-12 10:16:01,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 10:16:01,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 10:16:01,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 10:16:01,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 10:16:01,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:15:52" (1/3) ... [2024-11-12 10:16:01,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d3a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:16:01, skipping insertion in model container [2024-11-12 10:16:01,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:15:53" (2/3) ... [2024-11-12 10:16:01,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d3a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:16:01, skipping insertion in model container [2024-11-12 10:16:01,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:16:01" (3/3) ... [2024-11-12 10:16:01,491 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-12 10:16:01,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 10:16:01,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 10:16:01,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 10:16:01,600 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42c2bec7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 10:16:01,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 10:16:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 404 states, 268 states have (on average 1.335820895522388) internal successors, (358), 278 states have internal predecessors, (358), 108 states have call successors, (108), 27 states have call predecessors, (108), 26 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-12 10:16:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 10:16:01,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:16:01,623 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 10:16:01,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:16:01,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:16:01,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1807320948, now seen corresponding path program 1 times [2024-11-12 10:16:01,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:16:01,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731908358] [2024-11-12 10:16:01,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:16:01,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:16:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 10:16:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 10:16:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 10:16:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 10:16:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 10:16:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 10:16:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 10:16:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 10:16:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 10:16:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 10:16:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:16:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 10:16:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-12 10:16:02,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:16:02,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731908358] [2024-11-12 10:16:02,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731908358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:16:02,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:16:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 10:16:02,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764945730] [2024-11-12 10:16:02,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:16:02,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 10:16:02,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:16:03,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 10:16:03,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 10:16:03,036 INFO L87 Difference]: Start difference. First operand has 404 states, 268 states have (on average 1.335820895522388) internal successors, (358), 278 states have internal predecessors, (358), 108 states have call successors, (108), 27 states have call predecessors, (108), 26 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-12 10:16:07,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:11,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:12,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:16,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:16:17,979 INFO L93 Difference]: Finished difference Result 822 states and 1187 transitions. [2024-11-12 10:16:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 10:16:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-12 10:16:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:16:17,998 INFO L225 Difference]: With dead ends: 822 [2024-11-12 10:16:17,998 INFO L226 Difference]: Without dead ends: 408 [2024-11-12 10:16:18,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 10:16:18,011 INFO L435 NwaCegarLoop]: 384 mSDtfsCounter, 387 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 567 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-12 10:16:18,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1758 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 900 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2024-11-12 10:16:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-12 10:16:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2024-11-12 10:16:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 266 states have (on average 1.2932330827067668) internal successors, (344), 270 states have internal predecessors, (344), 104 states have call successors, (104), 26 states have call predecessors, (104), 25 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-12 10:16:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 551 transitions. [2024-11-12 10:16:18,116 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 551 transitions. Word has length 136 [2024-11-12 10:16:18,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:16:18,117 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 551 transitions. [2024-11-12 10:16:18,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-12 10:16:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 551 transitions. [2024-11-12 10:16:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-12 10:16:18,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:16:18,123 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 10:16:18,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 10:16:18,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:16:18,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:16:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1750062646, now seen corresponding path program 1 times [2024-11-12 10:16:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:16:18,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460625167] [2024-11-12 10:16:18,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:16:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:16:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 10:16:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 10:16:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 10:16:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 10:16:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 10:16:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 10:16:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 10:16:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 10:16:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 10:16:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 10:16:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:16:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 10:16:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-12 10:16:18,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:16:18,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460625167] [2024-11-12 10:16:18,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460625167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:16:18,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:16:18,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 10:16:18,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757124001] [2024-11-12 10:16:18,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:16:18,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 10:16:18,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:16:18,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 10:16:18,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 10:16:18,825 INFO L87 Difference]: Start difference. First operand 396 states and 551 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-12 10:16:22,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:25,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:29,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:34,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:16:35,257 INFO L93 Difference]: Finished difference Result 774 states and 1082 transitions. [2024-11-12 10:16:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 10:16:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-12 10:16:35,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:16:35,264 INFO L225 Difference]: With dead ends: 774 [2024-11-12 10:16:35,265 INFO L226 Difference]: Without dead ends: 750 [2024-11-12 10:16:35,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-12 10:16:35,266 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 1082 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 1109 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-12 10:16:35,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1400 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1109 Valid, 641 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2024-11-12 10:16:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-12 10:16:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 740. [2024-11-12 10:16:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 499 states have (on average 1.3026052104208417) internal successors, (650), 507 states have internal predecessors, (650), 191 states have call successors, (191), 50 states have call predecessors, (191), 49 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-12 10:16:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1031 transitions. [2024-11-12 10:16:35,356 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1031 transitions. Word has length 136 [2024-11-12 10:16:35,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:16:35,357 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1031 transitions. [2024-11-12 10:16:35,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-12 10:16:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1031 transitions. [2024-11-12 10:16:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 10:16:35,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:16:35,368 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 10:16:35,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 10:16:35,369 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:16:35,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:16:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1875247634, now seen corresponding path program 1 times [2024-11-12 10:16:35,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:16:35,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468600543] [2024-11-12 10:16:35,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:16:35,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:16:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 10:16:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 10:16:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 10:16:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 10:16:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 10:16:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 10:16:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 10:16:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 10:16:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 10:16:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 10:16:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 10:16:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-12 10:16:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 10:16:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 10:16:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 10:16:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 10:16:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 10:16:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 10:16:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:16:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 10:16:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:16:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:16:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 10:16:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 10:16:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-12 10:16:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-12 10:16:36,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:16:36,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468600543] [2024-11-12 10:16:36,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468600543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:16:36,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:16:36,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 10:16:36,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333707352] [2024-11-12 10:16:36,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:16:36,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 10:16:36,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:16:36,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 10:16:36,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 10:16:36,206 INFO L87 Difference]: Start difference. First operand 740 states and 1031 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-12 10:16:40,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:44,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:47,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:50,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:52,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:16:53,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:16:53,287 INFO L93 Difference]: Finished difference Result 1713 states and 2340 transitions. [2024-11-12 10:16:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 10:16:53,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 285 [2024-11-12 10:16:53,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:16:53,297 INFO L225 Difference]: With dead ends: 1713 [2024-11-12 10:16:53,297 INFO L226 Difference]: Without dead ends: 1001 [2024-11-12 10:16:53,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-12 10:16:53,302 INFO L435 NwaCegarLoop]: 392 mSDtfsCounter, 555 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 556 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-11-12 10:16:53,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1404 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 661 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2024-11-12 10:16:53,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-11-12 10:16:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 970. [2024-11-12 10:16:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 653 states have (on average 1.2802450229709035) internal successors, (836), 666 states have internal predecessors, (836), 236 states have call successors, (236), 81 states have call predecessors, (236), 80 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2024-11-12 10:16:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1307 transitions. [2024-11-12 10:16:53,381 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1307 transitions. Word has length 285 [2024-11-12 10:16:53,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:16:53,381 INFO L471 AbstractCegarLoop]: Abstraction has 970 states and 1307 transitions. [2024-11-12 10:16:53,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-12 10:16:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1307 transitions. [2024-11-12 10:16:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-12 10:16:53,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:16:53,391 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 10:16:53,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 10:16:53,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:16:53,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:16:53,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2104957092, now seen corresponding path program 1 times [2024-11-12 10:16:53,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:16:53,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479464566] [2024-11-12 10:16:53,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:16:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:16:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 10:16:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:53,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 10:16:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 10:16:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 10:16:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 10:16:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 10:16:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 10:16:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 10:16:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 10:16:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 10:16:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:16:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 10:16:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 10:16:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 10:16:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 10:16:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 10:16:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 10:16:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 10:16:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-12 10:16:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 10:16:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 10:16:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 10:16:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 10:16:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 10:16:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:16:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 10:16:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:16:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 10:16:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:16:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:16:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:16:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-12 10:16:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-12 10:16:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-12 10:16:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:16:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-12 10:16:54,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:16:54,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479464566] [2024-11-12 10:16:54,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479464566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:16:54,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:16:54,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 10:16:54,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131763486] [2024-11-12 10:16:54,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:16:54,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 10:16:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:16:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 10:16:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 10:16:54,326 INFO L87 Difference]: Start difference. First operand 970 states and 1307 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-12 10:16:58,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:02,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:06,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:08,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:10,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:11,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:17:11,215 INFO L93 Difference]: Finished difference Result 2570 states and 3486 transitions. [2024-11-12 10:17:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 10:17:11,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 362 [2024-11-12 10:17:11,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:17:11,230 INFO L225 Difference]: With dead ends: 2570 [2024-11-12 10:17:11,230 INFO L226 Difference]: Without dead ends: 1567 [2024-11-12 10:17:11,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-12 10:17:11,237 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 660 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 680 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-12 10:17:11,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 1498 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 720 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-11-12 10:17:11,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2024-11-12 10:17:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1545. [2024-11-12 10:17:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1057 states have (on average 1.3065279091769157) internal successors, (1381), 1079 states have internal predecessors, (1381), 361 states have call successors, (361), 127 states have call predecessors, (361), 126 states have return successors, (360), 357 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-12 10:17:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2102 transitions. [2024-11-12 10:17:11,355 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2102 transitions. Word has length 362 [2024-11-12 10:17:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:17:11,357 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2102 transitions. [2024-11-12 10:17:11,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-12 10:17:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2102 transitions. [2024-11-12 10:17:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-12 10:17:11,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:17:11,367 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 10:17:11,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 10:17:11,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:17:11,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:17:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash 138970338, now seen corresponding path program 1 times [2024-11-12 10:17:11,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:17:11,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920813121] [2024-11-12 10:17:11,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:17:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:17:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 10:17:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-12 10:17:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 10:17:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 10:17:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 10:17:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 10:17:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 10:17:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 10:17:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 10:17:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 10:17:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:17:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 10:17:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 10:17:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 10:17:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 10:17:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 10:17:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 10:17:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:11,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 10:17:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-12 10:17:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 10:17:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 10:17:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 10:17:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 10:17:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 10:17:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 10:17:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 10:17:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:17:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 10:17:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 10:17:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 10:17:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 10:17:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-12 10:17:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-12 10:17:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-12 10:17:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:17:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-12 10:17:12,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:17:12,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920813121] [2024-11-12 10:17:12,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920813121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:17:12,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:17:12,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 10:17:12,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781393429] [2024-11-12 10:17:12,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:17:12,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 10:17:12,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:17:12,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 10:17:12,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 10:17:12,183 INFO L87 Difference]: Start difference. First operand 1545 states and 2102 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-12 10:17:16,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:20,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:17:24,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []