./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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.dd.update-z3-fca748b-m [2024-11-20 11:32:15,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:32:15,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:32:15,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:32:15,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:32:15,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:32:15,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:32:15,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:32:15,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:32:15,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:32:15,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:32:15,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:32:15,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:32:15,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:32:15,896 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:32:15,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:32:15,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:32:15,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:32:15,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:32:15,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:32:15,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:32:15,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:32:15,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:32:15,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:32:15,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:32:15,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:32:15,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:32:15,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:32:15,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:32:15,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:32:15,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:32:15,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:32:15,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:32:15,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:32:15,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:32:15,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:32:15,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:32:15,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:32:15,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:32:15,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 [2024-11-20 11:32:16,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:32:16,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:32:16,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:32:16,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:32:16,135 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:32:16,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-20 11:32:17,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:32:17,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:32:17,602 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 [2024-11-20 11:32:17,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f38bfeb/51be939989e04a03a845455b1470551c/FLAGbb0b8c778 [2024-11-20 11:32:17,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f38bfeb/51be939989e04a03a845455b1470551c [2024-11-20 11:32:17,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:32:17,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:32:17,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:32:17,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:32:17,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:32:17,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:17" (1/1) ... [2024-11-20 11:32:17,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a9b800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:17, skipping insertion in model container [2024-11-20 11:32:17,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:17" (1/1) ... [2024-11-20 11:32:17,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:32:18,471 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] [2024-11-20 11:32:18,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:32:18,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:32:18,550 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] [2024-11-20 11:32:18,551 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] [2024-11-20 11:32:18,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3242] [2024-11-20 11:32:18,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3250] [2024-11-20 11:32:18,571 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] [2024-11-20 11:32:18,579 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] [2024-11-20 11:32:18,581 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] [2024-11-20 11:32:18,581 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] [2024-11-20 11:32:18,581 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] [2024-11-20 11:32:18,581 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] [2024-11-20 11:32:18,583 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] [2024-11-20 11:32:18,583 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] [2024-11-20 11:32:18,583 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] [2024-11-20 11:32:18,583 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] [2024-11-20 11:32:18,583 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] [2024-11-20 11:32:18,585 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] [2024-11-20 11:32:18,586 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] [2024-11-20 11:32:18,587 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] [2024-11-20 11:32:18,588 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] [2024-11-20 11:32:18,588 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] [2024-11-20 11:32:18,588 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] [2024-11-20 11:32:18,588 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] [2024-11-20 11:32:18,604 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] [2024-11-20 11:32:18,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:32:18,677 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:32:18,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18 WrapperNode [2024-11-20 11:32:18,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:32:18,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:32:18,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:32:18,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:32:18,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,767 INFO L138 Inliner]: procedures = 101, calls = 323, calls flagged for inlining = 40, calls inlined = 37, statements flattened = 985 [2024-11-20 11:32:18,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:32:18,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:32:18,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:32:18,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:32:18,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,837 INFO L175 MemorySlicer]: Split 104 memory accesses to 13 slices as follows [2, 1, 8, 0, 9, 1, 2, 10, 1, 26, 29, 3, 12]. 28 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 0, 8, 0, 0, 0, 0, 10, 1, 0, 0, 3, 0]. The 71 writes are split as follows [0, 1, 0, 0, 2, 0, 1, 0, 0, 26, 29, 0, 12]. [2024-11-20 11:32:18,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:32:18,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:32:18,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:32:18,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:32:18,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (1/1) ... [2024-11-20 11:32:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:32:18,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:32:18,945 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) [2024-11-20 11:32:18,948 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 [2024-11-20 11:32:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-20 11:32:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:32:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-20 11:32:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:32:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 11:32:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 11:32:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-20 11:32:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-20 11:32:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2024-11-20 11:32:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2024-11-20 11:32:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-20 11:32:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-20 11:32:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2024-11-20 11:32:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2024-11-20 11:32:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-20 11:32:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-20 11:32:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:32:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 11:32:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:32:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-20 11:32:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2024-11-20 11:32:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2024-11-20 11:32:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:32:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:32:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2024-11-20 11:32:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2024-11-20 11:32:19,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2024-11-20 11:32:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:32:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:32:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:32:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:32:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:32:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:32:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:32:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:32:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-20 11:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:32:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-20 11:32:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-20 11:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2024-11-20 11:32:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2024-11-20 11:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:32:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2024-11-20 11:32:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2024-11-20 11:32:19,296 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:32:19,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:32:19,321 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-20 11:32:26,583 INFO L? ?]: Removed 364 outVars from TransFormulas that were not future-live. [2024-11-20 11:32:26,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:32:26,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:32:26,603 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 11:32:26,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:26 BoogieIcfgContainer [2024-11-20 11:32:26,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:32:26,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:32:26,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:32:26,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:32:26,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:17" (1/3) ... [2024-11-20 11:32:26,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183a6ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:26, skipping insertion in model container [2024-11-20 11:32:26,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18" (2/3) ... [2024-11-20 11:32:26,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183a6ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:26, skipping insertion in model container [2024-11-20 11:32:26,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:26" (3/3) ... [2024-11-20 11:32:26,613 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2024-11-20 11:32:26,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:32:26,625 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:32:26,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:32:26,695 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;@4439ef26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:32:26,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:32:26,699 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) [2024-11-20 11:32:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-20 11:32:26,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:26,711 INFO L215 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] [2024-11-20 11:32:26,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:26,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:26,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1807320948, now seen corresponding path program 1 times [2024-11-20 11:32:26,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:26,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727079991] [2024-11-20 11:32:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:26,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:32:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 11:32:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:27,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727079991] [2024-11-20 11:32:27,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727079991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:27,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:27,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:32:27,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976696291] [2024-11-20 11:32:27,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:27,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:32:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:27,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:32:27,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:32:27,631 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) [2024-11-20 11:32:31,649 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 [] [2024-11-20 11:32:35,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:38,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:40,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:41,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:32:41,030 INFO L93 Difference]: Finished difference Result 822 states and 1187 transitions. [2024-11-20 11:32:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:32:41,034 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 [2024-11-20 11:32:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:32:41,049 INFO L225 Difference]: With dead ends: 822 [2024-11-20 11:32:41,050 INFO L226 Difference]: Without dead ends: 408 [2024-11-20 11:32:41,056 INFO L431 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 [2024-11-20 11:32:41,058 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 387 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 567 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:32:41,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1758 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 901 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2024-11-20 11:32:41,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-20 11:32:41,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2024-11-20 11:32:41,135 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) [2024-11-20 11:32:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 551 transitions. [2024-11-20 11:32:41,142 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 551 transitions. Word has length 136 [2024-11-20 11:32:41,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:32:41,154 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 551 transitions. [2024-11-20 11:32:41,155 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) [2024-11-20 11:32:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 551 transitions. [2024-11-20 11:32:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-20 11:32:41,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:41,159 INFO L215 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] [2024-11-20 11:32:41,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:32:41,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:41,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1750062646, now seen corresponding path program 1 times [2024-11-20 11:32:41,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:41,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668951423] [2024-11-20 11:32:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:32:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 11:32:41,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:41,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668951423] [2024-11-20 11:32:41,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668951423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:41,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:41,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:32:41,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875742640] [2024-11-20 11:32:41,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:41,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:32:41,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:41,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:32:41,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:32:41,525 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) [2024-11-20 11:32:45,533 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 [] [2024-11-20 11:32:47,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:49,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:32:50,225 INFO L93 Difference]: Finished difference Result 774 states and 1082 transitions. [2024-11-20 11:32:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 11:32:50,225 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 [2024-11-20 11:32:50,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:32:50,230 INFO L225 Difference]: With dead ends: 774 [2024-11-20 11:32:50,230 INFO L226 Difference]: Without dead ends: 750 [2024-11-20 11:32:50,231 INFO L431 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 [2024-11-20 11:32:50,232 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 1082 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:32:50,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1400 Invalid, 1752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1109 Valid, 642 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-20 11:32:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-20 11:32:50,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 740. [2024-11-20 11:32:50,284 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) [2024-11-20 11:32:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1031 transitions. [2024-11-20 11:32:50,289 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1031 transitions. Word has length 136 [2024-11-20 11:32:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:32:50,289 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1031 transitions. [2024-11-20 11:32:50,289 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) [2024-11-20 11:32:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1031 transitions. [2024-11-20 11:32:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-20 11:32:50,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:50,298 INFO L215 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] [2024-11-20 11:32:50,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:32:50,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:50,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:50,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1875247634, now seen corresponding path program 1 times [2024-11-20 11:32:50,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:50,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950797348] [2024-11-20 11:32:50,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:50,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 11:32:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:32:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:32:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 11:32:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 11:32:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:32:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 11:32:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 11:32:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:32:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 11:32:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:32:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-20 11:32:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 11:32:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-20 11:32:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-20 11:32:50,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:50,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950797348] [2024-11-20 11:32:50,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950797348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:50,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:50,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:32:50,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104065640] [2024-11-20 11:32:50,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:50,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:32:50,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:50,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:32:50,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:32:50,814 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) [2024-11-20 11:32:54,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:58,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:01,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:02,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:05,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:06,289 INFO L93 Difference]: Finished difference Result 1713 states and 2340 transitions. [2024-11-20 11:33:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 11:33:06,289 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 [2024-11-20 11:33:06,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:06,295 INFO L225 Difference]: With dead ends: 1713 [2024-11-20 11:33:06,296 INFO L226 Difference]: Without dead ends: 1001 [2024-11-20 11:33:06,299 INFO L431 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 [2024-11-20 11:33:06,300 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 555 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 556 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s 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, 15.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:06,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1404 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [556 Valid, 661 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2024-11-20 11:33:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-11-20 11:33:06,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 970. [2024-11-20 11:33:06,333 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) [2024-11-20 11:33:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1307 transitions. [2024-11-20 11:33:06,337 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1307 transitions. Word has length 285 [2024-11-20 11:33:06,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:06,337 INFO L471 AbstractCegarLoop]: Abstraction has 970 states and 1307 transitions. [2024-11-20 11:33:06,338 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) [2024-11-20 11:33:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1307 transitions. [2024-11-20 11:33:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-20 11:33:06,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:06,342 INFO L215 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] [2024-11-20 11:33:06,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:33:06,343 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:06,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2104957092, now seen corresponding path program 1 times [2024-11-20 11:33:06,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:06,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549395212] [2024-11-20 11:33:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:33:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 11:33:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 11:33:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 11:33:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 11:33:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 11:33:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 11:33:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 11:33:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 11:33:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:33:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 11:33:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 11:33:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 11:33:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 11:33:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-20 11:33:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-20 11:33:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-20 11:33:06,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:06,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549395212] [2024-11-20 11:33:06,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549395212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:06,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:06,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:33:06,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542080632] [2024-11-20 11:33:06,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:06,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:33:06,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:06,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:33:06,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:33:06,978 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) [2024-11-20 11:33:10,986 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 [] [2024-11-20 11:33:14,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:18,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:20,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:24,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:25,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:25,233 INFO L93 Difference]: Finished difference Result 2570 states and 3486 transitions. [2024-11-20 11:33:25,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:33:25,234 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 [2024-11-20 11:33:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:25,242 INFO L225 Difference]: With dead ends: 2570 [2024-11-20 11:33:25,242 INFO L226 Difference]: Without dead ends: 1567 [2024-11-20 11:33:25,244 INFO L431 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 [2024-11-20 11:33:25,246 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 660 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 680 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s 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, 18.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:25,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 1498 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 720 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2024-11-20 11:33:25,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2024-11-20 11:33:25,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1545. [2024-11-20 11:33:25,307 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) [2024-11-20 11:33:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2102 transitions. [2024-11-20 11:33:25,314 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2102 transitions. Word has length 362 [2024-11-20 11:33:25,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:25,314 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2102 transitions. [2024-11-20 11:33:25,315 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) [2024-11-20 11:33:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2102 transitions. [2024-11-20 11:33:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-20 11:33:25,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:25,320 INFO L215 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] [2024-11-20 11:33:25,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:33:25,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:25,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:25,321 INFO L85 PathProgramCache]: Analyzing trace with hash 138970338, now seen corresponding path program 1 times [2024-11-20 11:33:25,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:25,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856944559] [2024-11-20 11:33:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:25,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:33:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 11:33:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 11:33:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 11:33:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 11:33:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 11:33:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 11:33:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 11:33:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 11:33:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:33:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 11:33:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 11:33:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 11:33:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 11:33:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-20 11:33:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-20 11:33:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-20 11:33:25,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:25,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856944559] [2024-11-20 11:33:25,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856944559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:25,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:25,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:33:25,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868956308] [2024-11-20 11:33:25,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:25,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:33:25,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:25,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:33:25,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:33:25,839 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) [2024-11-20 11:33:29,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:33,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:37,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:40,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:42,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:42,642 INFO L93 Difference]: Finished difference Result 2417 states and 3260 transitions. [2024-11-20 11:33:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:33:42,643 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), 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) Word has length 362 [2024-11-20 11:33:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:42,648 INFO L225 Difference]: With dead ends: 2417 [2024-11-20 11:33:42,648 INFO L226 Difference]: Without dead ends: 887 [2024-11-20 11:33:42,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:33:42,654 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 280 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 406 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:42,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1397 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 643 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-11-20 11:33:42,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2024-11-20 11:33:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 877. [2024-11-20 11:33:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 590 states have (on average 1.2728813559322034) internal successors, (751), 601 states have internal predecessors, (751), 207 states have call successors, (207), 80 states have call predecessors, (207), 79 states have return successors, (206), 205 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-20 11:33:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1164 transitions. [2024-11-20 11:33:42,698 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1164 transitions. Word has length 362 [2024-11-20 11:33:42,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:42,699 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1164 transitions. [2024-11-20 11:33:42,699 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), 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) [2024-11-20 11:33:42,699 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1164 transitions. [2024-11-20 11:33:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-20 11:33:42,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:42,703 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:42,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:33:42,704 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:42,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:42,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1714172194, now seen corresponding path program 1 times [2024-11-20 11:33:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:42,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574577290] [2024-11-20 11:33:42,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:42,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:33:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 11:33:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 11:33:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 11:33:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 11:33:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 11:33:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 11:33:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 11:33:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 11:33:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:33:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 11:33:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 11:33:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 11:33:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 11:33:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-20 11:33:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-20 11:33:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-20 11:33:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-20 11:33:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-20 11:33:43,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574577290] [2024-11-20 11:33:43,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574577290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:33:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37768615] [2024-11-20 11:33:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:43,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:33:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:33:43,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:33:43,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 11:33:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:44,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 2199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:33:44,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:33:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-20 11:33:44,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:33:44,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37768615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:44,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:33:44,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2024-11-20 11:33:44,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572484248] [2024-11-20 11:33:44,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:44,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 11:33:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:44,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 11:33:44,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:33:44,393 INFO L87 Difference]: Start difference. First operand 877 states and 1164 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-20 11:33:48,402 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 [] [2024-11-20 11:33:48,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:48,748 INFO L93 Difference]: Finished difference Result 2143 states and 2888 transitions. [2024-11-20 11:33:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 11:33:48,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 369 [2024-11-20 11:33:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:48,758 INFO L225 Difference]: With dead ends: 2143 [2024-11-20 11:33:48,759 INFO L226 Difference]: Without dead ends: 1939 [2024-11-20 11:33:48,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:33:48,761 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 711 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:48,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 1557 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 217 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-20 11:33:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2024-11-20 11:33:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1931. [2024-11-20 11:33:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1329 states have (on average 1.3227990970654628) internal successors, (1758), 1359 states have internal predecessors, (1758), 445 states have call successors, (445), 157 states have call predecessors, (445), 156 states have return successors, (444), 439 states have call predecessors, (444), 444 states have call successors, (444) [2024-11-20 11:33:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2647 transitions. [2024-11-20 11:33:48,839 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2647 transitions. Word has length 369 [2024-11-20 11:33:48,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:48,840 INFO L471 AbstractCegarLoop]: Abstraction has 1931 states and 2647 transitions. [2024-11-20 11:33:48,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-20 11:33:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2647 transitions. [2024-11-20 11:33:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-20 11:33:48,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:48,846 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:48,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 11:33:49,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-20 11:33:49,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:49,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:49,048 INFO L85 PathProgramCache]: Analyzing trace with hash 870166692, now seen corresponding path program 1 times [2024-11-20 11:33:49,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:49,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295476474] [2024-11-20 11:33:49,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:49,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 11:33:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 11:33:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 11:33:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 11:33:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 11:33:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 11:33:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 11:33:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 11:33:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 11:33:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:33:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 11:33:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 11:33:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 11:33:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 11:33:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-20 11:33:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-20 11:33:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-20 11:33:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-20 11:33:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-20 11:33:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-20 11:33:49,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:49,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295476474] [2024-11-20 11:33:49,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295476474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:49,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:49,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 11:33:49,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134000296] [2024-11-20 11:33:49,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:49,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 11:33:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 11:33:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:33:49,734 INFO L87 Difference]: Start difference. First operand 1931 states and 2647 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (48), 6 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-20 11:33:53,744 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 []