./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--it87_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--it87_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 fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 11:32:15,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:32:15,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:32:15,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:32:15,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:32:15,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:32:15,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:32:15,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:32:15,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:32:15,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:32:15,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:32:15,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:32:15,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:32:15,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:32:15,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:32:15,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:32:15,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:32:15,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:32:15,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:32:15,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:32:15,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:32:15,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:32:15,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:32:15,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:32:15,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:32:15,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:32:15,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:32:15,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:32:15,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:32:15,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:32:15,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:32:15,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:32:15,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:32:15,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:32:15,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:32:15,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:32:15,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:32:15,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:32:15,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:32:15,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2024-11-20 11:32:15,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:32:15,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:32:15,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:32:15,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:32:15,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:32:15,810 INFO L431 ainManager$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--it87_wdt.ko-entry_point.cil.out.i [2024-11-20 11:32:17,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:32:17,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:32:17,370 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--it87_wdt.ko-entry_point.cil.out.i [2024-11-20 11:32:17,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c484b54/9434f332b2cf4421851ba6bb50df7773/FLAGb7ff5fbb8 [2024-11-20 11:32:17,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c484b54/9434f332b2cf4421851ba6bb50df7773 [2024-11-20 11:32:17,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:32:17,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:32:17,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:32:17,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:32:17,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:32:17,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:17" (1/1) ... [2024-11-20 11:32:17,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e04c03 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 11:32:17,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:17" (1/1) ... [2024-11-20 11:32:17,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:32:18,168 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--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-20 11:32:18,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:32:18,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:32:18,285 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3119] [2024-11-20 11:32:18,287 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)); [3126] [2024-11-20 11:32:18,287 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"); [3134-3135] [2024-11-20 11:32:18,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3143-3144] [2024-11-20 11:32:18,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-20 11:32:18,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-20 11:32:18,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + ofs), "i" (1UL)); [3673-3674] [2024-11-20 11:32:18,311 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"); [3734] [2024-11-20 11:32:18,311 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"); [3737] [2024-11-20 11:32:18,312 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"); [3740] [2024-11-20 11:32:18,312 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"); [3743] [2024-11-20 11:32:18,312 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"); [3746] [2024-11-20 11:32:18,312 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"); [3757-3758] [2024-11-20 11:32:18,313 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"); [3761-3762] [2024-11-20 11:32:18,313 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"); [3765-3766] [2024-11-20 11:32:18,313 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"); [3769-3770] [2024-11-20 11:32:18,313 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"); [3773-3774] [2024-11-20 11:32:18,314 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)); [3785-3786] [2024-11-20 11:32:18,315 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)); [3823-3824] [2024-11-20 11:32:18,317 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"); [3837-3838] [2024-11-20 11:32:18,318 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"); [3841-3842] [2024-11-20 11:32:18,318 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"); [3845-3846] [2024-11-20 11:32:18,318 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"); [3849-3850] [2024-11-20 11:32:18,318 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"); [3853-3854] [2024-11-20 11:32:18,336 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--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-20 11:32:18,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:32:18,367 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:32:18,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:18 WrapperNode [2024-11-20 11:32:18,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:32:18,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:32:18,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:32:18,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:32:18,374 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 11:32:18,407 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 11:32:18,456 INFO L138 Inliner]: procedures = 96, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1298 [2024-11-20 11:32:18,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:32:18,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:32:18,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:32:18,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:32:18,469 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 11:32:18,469 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 11:32:18,482 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 11:32:18,537 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [2, 2, 9, 8, 34, 1, 29, 0, 13, 3, 3]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [2, 0, 0, 0, 34, 0, 0, 0, 0, 3, 1]. The 50 writes are split as follows [0, 1, 2, 4, 0, 1, 29, 0, 12, 0, 1]. [2024-11-20 11:32:18,538 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 11:32:18,538 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 11:32:18,570 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 11:32:18,587 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 11:32:18,599 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 11:32:18,610 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 11:32:18,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:32:18,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:32:18,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:32:18,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:32:18,628 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 11:32:18,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:32:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:32:18,658 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 11:32:18,660 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 11:32:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:32:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-20 11:32:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-20 11:32:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-20 11:32:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-20 11:32:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-20 11:32:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-20 11:32:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:32:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:32:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:32:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:32:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:32:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-20 11:32:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-20 11:32:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:32:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-20 11:32:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:32:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-20 11:32:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:32:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-20 11:32:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-20 11:32:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-20 11:32:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-20 11:32:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-20 11:32:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:32:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-20 11:32:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:32:18,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:32:18,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-20 11:32:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-20 11:32:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-20 11:32:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-20 11:32:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-20 11:32:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-20 11:32:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-20 11:32:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-20 11:32:18,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 11:32:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 11:32:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:32:18,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:32:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:32:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:32:18,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:32:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:32:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:32:18,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-20 11:32:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-20 11:32:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-20 11:32:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-20 11:32:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-20 11:32:18,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:32:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-20 11:32:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-20 11:32:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-20 11:32:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-20 11:32:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:32:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:32:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-20 11:32:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-20 11:32:19,027 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:32:19,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:32:19,139 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-20 11:32:24,044 INFO L? ?]: Removed 473 outVars from TransFormulas that were not future-live. [2024-11-20 11:32:24,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:32:24,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:32:24,076 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 11:32:24,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:24 BoogieIcfgContainer [2024-11-20 11:32:24,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:32:24,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:32:24,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:32:24,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:32:24,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:17" (1/3) ... [2024-11-20 11:32:24,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35be71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:24, skipping insertion in model container [2024-11-20 11:32:24,082 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 11:32:24,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35be71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:24, skipping insertion in model container [2024-11-20 11:32:24,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:24" (3/3) ... [2024-11-20 11:32:24,084 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-20 11:32:24,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:32:24,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:32:24,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:32:24,179 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;@67af92ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:32:24,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:32:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 618 states, 395 states have (on average 1.3974683544303796) internal successors, (552), 427 states have internal predecessors, (552), 191 states have call successors, (191), 31 states have call predecessors, (191), 30 states have return successors, (187), 182 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-20 11:32:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 11:32:24,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:24,207 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, 1] [2024-11-20 11:32:24,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:24,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:24,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1376326871, now seen corresponding path program 1 times [2024-11-20 11:32:24,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:24,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546135272] [2024-11-20 11:32:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:24,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:25,117 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 11:32:25,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546135272] [2024-11-20 11:32:25,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546135272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:25,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:25,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:32:25,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555515013] [2024-11-20 11:32:25,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:25,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:32:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:25,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:32:25,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:32:25,149 INFO L87 Difference]: Start difference. First operand has 618 states, 395 states have (on average 1.3974683544303796) internal successors, (552), 427 states have internal predecessors, (552), 191 states have call successors, (191), 31 states have call predecessors, (191), 30 states have return successors, (187), 182 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 11:32:29,169 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 11:32:30,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:32:30,773 INFO L93 Difference]: Finished difference Result 1295 states and 2010 transitions. [2024-11-20 11:32:30,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:32:30,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-20 11:32:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:32:30,790 INFO L225 Difference]: With dead ends: 1295 [2024-11-20 11:32:30,790 INFO L226 Difference]: Without dead ends: 671 [2024-11-20 11:32:30,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 11:32:30,798 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 477 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 780 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-20 11:32:30,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1846 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 901 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-20 11:32:30,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-20 11:32:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 607. [2024-11-20 11:32:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 390 states have (on average 1.3717948717948718) internal successors, (535), 416 states have internal predecessors, (535), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-20 11:32:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 908 transitions. [2024-11-20 11:32:30,903 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 908 transitions. Word has length 137 [2024-11-20 11:32:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:32:30,904 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 908 transitions. [2024-11-20 11:32:30,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 11:32:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 908 transitions. [2024-11-20 11:32:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 11:32:30,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:30,911 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, 1] [2024-11-20 11:32:30,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:32:30,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:30,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:30,911 INFO L85 PathProgramCache]: Analyzing trace with hash -422309855, now seen corresponding path program 1 times [2024-11-20 11:32:30,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:30,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426398434] [2024-11-20 11:32:30,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:30,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:31,358 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 11:32:31,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:31,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426398434] [2024-11-20 11:32:31,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426398434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:31,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:31,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:32:31,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566117708] [2024-11-20 11:32:31,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:31,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:32:31,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:32:31,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:32:31,362 INFO L87 Difference]: Start difference. First operand 607 states and 908 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 11:32:35,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:39,384 WARN L539 Checker$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 11:32:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:32:40,944 INFO L93 Difference]: Finished difference Result 682 states and 1038 transitions. [2024-11-20 11:32:40,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:32:40,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 137 [2024-11-20 11:32:40,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:32:40,950 INFO L225 Difference]: With dead ends: 682 [2024-11-20 11:32:40,950 INFO L226 Difference]: Without dead ends: 677 [2024-11-20 11:32:40,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:32:40,952 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 1180 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 914 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-20 11:32:40,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 1820 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 837 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-11-20 11:32:40,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-20 11:32:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 608. [2024-11-20 11:32:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 391 states have (on average 1.370843989769821) internal successors, (536), 417 states have internal predecessors, (536), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-20 11:32:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 909 transitions. [2024-11-20 11:32:41,000 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 909 transitions. Word has length 137 [2024-11-20 11:32:41,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:32:41,002 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 909 transitions. [2024-11-20 11:32:41,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 11:32:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 909 transitions. [2024-11-20 11:32:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 11:32:41,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:41,006 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, 1] [2024-11-20 11:32:41,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:32:41,006 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:41,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash -365051553, now seen corresponding path program 1 times [2024-11-20 11:32:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:41,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985907913] [2024-11-20 11:32:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:41,410 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 88 [2024-11-20 11:32:41,420 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 95 [2024-11-20 11:32:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:32:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:41,481 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 11:32:41,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:41,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985907913] [2024-11-20 11:32:41,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985907913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:41,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:41,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:32:41,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321215298] [2024-11-20 11:32:41,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:41,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:32:41,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:41,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:32:41,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:32:41,484 INFO L87 Difference]: Start difference. First operand 608 states and 909 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 11:32:45,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:32:49,505 WARN L539 Checker$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 11:32:51,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:32:51,997 INFO L93 Difference]: Finished difference Result 1312 states and 2010 transitions. [2024-11-20 11:32:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 11:32:51,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 137 [2024-11-20 11:32:51,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:32:52,008 INFO L225 Difference]: With dead ends: 1312 [2024-11-20 11:32:52,009 INFO L226 Difference]: Without dead ends: 1273 [2024-11-20 11:32:52,010 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 11:32:52,011 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 1570 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 1617 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1617 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:32:52,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 2352 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1617 Valid, 1311 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-20 11:32:52,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2024-11-20 11:32:52,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1148. [2024-11-20 11:32:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 745 states have (on average 1.3771812080536914) internal successors, (1026), 791 states have internal predecessors, (1026), 345 states have call successors, (345), 58 states have call predecessors, (345), 57 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-20 11:32:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1715 transitions. [2024-11-20 11:32:52,084 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1715 transitions. Word has length 137 [2024-11-20 11:32:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:32:52,086 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1715 transitions. [2024-11-20 11:32:52,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 3 states have internal predecessors, (49), 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 11:32:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1715 transitions. [2024-11-20 11:32:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-20 11:32:52,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:32:52,097 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-20 11:32:52,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:32:52,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:32:52,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:32:52,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1910546489, now seen corresponding path program 1 times [2024-11-20 11:32:52,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:32:52,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956568635] [2024-11-20 11:32:52,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:32:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:32:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:32:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:32:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:32:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:32:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:32:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:32:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:32:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:32:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:32:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:32:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:32:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:32:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:32:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 11:32:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 11:32:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:32:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:32:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-20 11:32:52,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:32:52,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956568635] [2024-11-20 11:32:52,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956568635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:32:52,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:32:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:32:52,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513748899] [2024-11-20 11:32:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:32:52,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:32:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:32:52,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:32:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:32:52,625 INFO L87 Difference]: Start difference. First operand 1148 states and 1715 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-20 11:32:56,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:00,639 WARN L539 Checker$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 11:33:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:02,836 INFO L93 Difference]: Finished difference Result 2943 states and 4432 transitions. [2024-11-20 11:33:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 11:33:02,837 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 188 [2024-11-20 11:33:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:02,849 INFO L225 Difference]: With dead ends: 2943 [2024-11-20 11:33:02,849 INFO L226 Difference]: Without dead ends: 1823 [2024-11-20 11:33:02,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 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 11:33:02,854 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 1026 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 1255 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 2483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:02,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 2273 Invalid, 2483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-20 11:33:02,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-20 11:33:02,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1642. [2024-11-20 11:33:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1041 states have (on average 1.3659942363112392) internal successors, (1422), 1107 states have internal predecessors, (1422), 506 states have call successors, (506), 95 states have call predecessors, (506), 94 states have return successors, (505), 493 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-20 11:33:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2433 transitions. [2024-11-20 11:33:02,940 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2433 transitions. Word has length 188 [2024-11-20 11:33:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:02,941 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2433 transitions. [2024-11-20 11:33:02,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-20 11:33:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2433 transitions. [2024-11-20 11:33:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-20 11:33:02,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:02,949 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-20 11:33:02,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:33:02,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:02,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:02,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1082506374, now seen corresponding path program 1 times [2024-11-20 11:33:02,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:02,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181404888] [2024-11-20 11:33:02,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:02,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 11:33:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 11:33:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 11:33:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 11:33:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-20 11:33:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 11:33:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 11:33:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-20 11:33:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-20 11:33:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-20 11:33:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-20 11:33:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 11:33:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-20 11:33:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-20 11:33:04,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:04,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181404888] [2024-11-20 11:33:04,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181404888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:04,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:04,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:33:04,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404448738] [2024-11-20 11:33:04,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:04,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:33:04,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:04,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:33:04,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:33:04,096 INFO L87 Difference]: Start difference. First operand 1642 states and 2433 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-20 11:33:08,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:33:12,112 WARN L539 Checker$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 11:33:16,115 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 11:33:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:18,391 INFO L93 Difference]: Finished difference Result 3736 states and 5680 transitions. [2024-11-20 11:33:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:33:18,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 391 [2024-11-20 11:33:18,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:18,403 INFO L225 Difference]: With dead ends: 3736 [2024-11-20 11:33:18,403 INFO L226 Difference]: Without dead ends: 2132 [2024-11-20 11:33:18,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:33:18,409 INFO L432 NwaCegarLoop]: 750 mSDtfsCounter, 1260 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 963 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 963 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:18,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 2419 Invalid, 2562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [963 Valid, 1596 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2024-11-20 11:33:18,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-20 11:33:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 1926. [2024-11-20 11:33:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1926 states, 1189 states have (on average 1.3658536585365855) internal successors, (1624), 1279 states have internal predecessors, (1624), 642 states have call successors, (642), 95 states have call predecessors, (642), 94 states have return successors, (641), 625 states have call predecessors, (641), 641 states have call successors, (641) [2024-11-20 11:33:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2907 transitions. [2024-11-20 11:33:18,505 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2907 transitions. Word has length 391 [2024-11-20 11:33:18,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:18,506 INFO L471 AbstractCegarLoop]: Abstraction has 1926 states and 2907 transitions. [2024-11-20 11:33:18,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2024-11-20 11:33:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2907 transitions. [2024-11-20 11:33:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-20 11:33:18,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:18,513 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:18,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:33:18,514 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:18,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2010376394, now seen corresponding path program 1 times [2024-11-20 11:33:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232053988] [2024-11-20 11:33:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:18,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 11:33:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:33:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:33:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 11:33:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 11:33:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 11:33:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-20 11:33:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-20 11:33:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-20 11:33:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-20 11:33:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-20 11:33:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 11:33:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-20 11:33:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-20 11:33:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-20 11:33:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2024-11-20 11:33:19,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:19,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232053988] [2024-11-20 11:33:19,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232053988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:19,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:19,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:33:19,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7914087] [2024-11-20 11:33:19,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:19,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:33:19,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:19,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:33:19,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:33:19,243 INFO L87 Difference]: Start difference. First operand 1926 states and 2907 transitions. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 11:33:23,257 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 11:33:25,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:25,288 INFO L93 Difference]: Finished difference Result 4022 states and 6146 transitions. [2024-11-20 11:33:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:33:25,289 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 413 [2024-11-20 11:33:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:25,302 INFO L225 Difference]: With dead ends: 4022 [2024-11-20 11:33:25,303 INFO L226 Difference]: Without dead ends: 2134 [2024-11-20 11:33:25,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 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 11:33:25,312 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 620 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 1028 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:25,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 2247 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1028 Valid, 1310 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-20 11:33:25,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-20 11:33:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1962. [2024-11-20 11:33:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1225 states have (on average 1.3518367346938776) internal successors, (1656), 1315 states have internal predecessors, (1656), 642 states have call successors, (642), 95 states have call predecessors, (642), 94 states have return successors, (641), 625 states have call predecessors, (641), 641 states have call successors, (641) [2024-11-20 11:33:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2939 transitions. [2024-11-20 11:33:25,411 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2939 transitions. Word has length 413 [2024-11-20 11:33:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:25,411 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2939 transitions. [2024-11-20 11:33:25,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 11:33:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2939 transitions. [2024-11-20 11:33:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-20 11:33:25,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:25,419 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:25,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 11:33:25,419 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash 917197589, now seen corresponding path program 1 times [2024-11-20 11:33:25,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837890204] [2024-11-20 11:33:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:25,804 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 11:33:25,813 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 6 [2024-11-20 11:33:25,817 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 67 [2024-11-20 11:33:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 11:33:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:33:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:33:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 11:33:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 11:33:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 11:33:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-20 11:33:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 11:33:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 11:33:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-20 11:33:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-20 11:33:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-20 11:33:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-20 11:33:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-20 11:33:26,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:26,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837890204] [2024-11-20 11:33:26,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837890204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:26,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:26,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:33:26,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174099620] [2024-11-20 11:33:26,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:26,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:33:26,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:26,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:33:26,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:33:26,074 INFO L87 Difference]: Start difference. First operand 1962 states and 2939 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-20 11:33:30,088 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 11:33:31,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:31,539 INFO L93 Difference]: Finished difference Result 4058 states and 6154 transitions. [2024-11-20 11:33:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:33:31,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 404 [2024-11-20 11:33:31,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:31,551 INFO L225 Difference]: With dead ends: 4058 [2024-11-20 11:33:31,552 INFO L226 Difference]: Without dead ends: 2134 [2024-11-20 11:33:31,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:33:31,558 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 1288 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 1190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:31,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 1793 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 799 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-20 11:33:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-20 11:33:31,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1962. [2024-11-20 11:33:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1225 states have (on average 1.3453061224489795) internal successors, (1648), 1315 states have internal predecessors, (1648), 642 states have call successors, (642), 95 states have call predecessors, (642), 94 states have return successors, (641), 625 states have call predecessors, (641), 641 states have call successors, (641) [2024-11-20 11:33:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2931 transitions. [2024-11-20 11:33:31,656 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2931 transitions. Word has length 404 [2024-11-20 11:33:31,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:31,657 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2931 transitions. [2024-11-20 11:33:31,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-11-20 11:33:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2931 transitions. [2024-11-20 11:33:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-20 11:33:31,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:31,664 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:31,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 11:33:31,665 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:31,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1615832669, now seen corresponding path program 1 times [2024-11-20 11:33:31,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:31,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549740504] [2024-11-20 11:33:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 11:33:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:33:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:33:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 11:33:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 11:33:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 11:33:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-20 11:33:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 11:33:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-20 11:33:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-20 11:33:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-20 11:33:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-20 11:33:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-20 11:33:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-20 11:33:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2024-11-20 11:33:32,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:32,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549740504] [2024-11-20 11:33:32,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549740504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:33:32,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664648267] [2024-11-20 11:33:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:32,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:33:32,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:33:32,391 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 11:33:32,393 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 11:33:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:33,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:33:33,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:33:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-20 11:33:33,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:33:33,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664648267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:33,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:33:33,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-20 11:33:33,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311290412] [2024-11-20 11:33:33,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:33,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:33:33,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:33,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:33:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:33:33,683 INFO L87 Difference]: Start difference. First operand 1962 states and 2931 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 11:33:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:33,813 INFO L93 Difference]: Finished difference Result 3886 states and 5814 transitions. [2024-11-20 11:33:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:33:33,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 412 [2024-11-20 11:33:33,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:33,827 INFO L225 Difference]: With dead ends: 3886 [2024-11-20 11:33:33,828 INFO L226 Difference]: Without dead ends: 1962 [2024-11-20 11:33:33,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:33:33,837 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 705 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:33,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 903 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 11:33:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2024-11-20 11:33:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2024-11-20 11:33:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1225 states have (on average 1.343673469387755) internal successors, (1646), 1315 states have internal predecessors, (1646), 642 states have call successors, (642), 95 states have call predecessors, (642), 94 states have return successors, (641), 625 states have call predecessors, (641), 641 states have call successors, (641) [2024-11-20 11:33:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2929 transitions. [2024-11-20 11:33:33,939 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2929 transitions. Word has length 412 [2024-11-20 11:33:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:33,940 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2929 transitions. [2024-11-20 11:33:33,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 11:33:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2929 transitions. [2024-11-20 11:33:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-20 11:33:33,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:33,947 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:33,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 11:33:34,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:33:34,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:34,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:34,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1547634745, now seen corresponding path program 1 times [2024-11-20 11:33:34,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:34,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62906756] [2024-11-20 11:33:34,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 11:33:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:33:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:33:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 11:33:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 11:33:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 11:33:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-20 11:33:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 11:33:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-20 11:33:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-20 11:33:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-20 11:33:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-20 11:33:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-20 11:33:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-20 11:33:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:35,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-20 11:33:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-20 11:33:35,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:35,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62906756] [2024-11-20 11:33:35,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62906756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:33:35,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338891820] [2024-11-20 11:33:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:35,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:33:35,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:33:35,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 11:33:35,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 11:33:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:35,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 2450 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 11:33:35,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:33:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-20 11:33:35,902 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:33:35,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338891820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:35,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:33:35,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-20 11:33:35,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220755925] [2024-11-20 11:33:35,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:35,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:33:35,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:35,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:33:35,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:33:35,905 INFO L87 Difference]: Start difference. First operand 1962 states and 2929 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-20 11:33:39,918 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 11:33:40,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:33:40,082 INFO L93 Difference]: Finished difference Result 4806 states and 7128 transitions. [2024-11-20 11:33:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:33:40,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 418 [2024-11-20 11:33:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:33:40,101 INFO L225 Difference]: With dead ends: 4806 [2024-11-20 11:33:40,101 INFO L226 Difference]: Without dead ends: 2800 [2024-11-20 11:33:40,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-20 11:33:40,110 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 547 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-20 11:33:40,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 1901 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-20 11:33:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2024-11-20 11:33:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2800. [2024-11-20 11:33:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 1802 states have (on average 1.3523862375138735) internal successors, (2437), 1917 states have internal predecessors, (2437), 847 states have call successors, (847), 151 states have call predecessors, (847), 150 states have return successors, (846), 826 states have call predecessors, (846), 846 states have call successors, (846) [2024-11-20 11:33:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 4130 transitions. [2024-11-20 11:33:40,292 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 4130 transitions. Word has length 418 [2024-11-20 11:33:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:33:40,293 INFO L471 AbstractCegarLoop]: Abstraction has 2800 states and 4130 transitions. [2024-11-20 11:33:40,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-20 11:33:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 4130 transitions. [2024-11-20 11:33:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-20 11:33:40,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:33:40,307 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:33:40,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 11:33:40,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-20 11:33:40,508 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:33:40,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:33:40,508 INFO L85 PathProgramCache]: Analyzing trace with hash 961358523, now seen corresponding path program 1 times [2024-11-20 11:33:40,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:33:40,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452662851] [2024-11-20 11:33:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:33:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:33:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:33:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:33:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:33:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:33:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:33:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 11:33:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 11:33:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:33:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:33:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 11:33:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 11:33:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 11:33:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 11:33:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 11:33:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 11:33:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 11:33:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 11:33:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 11:33:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 11:33:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-20 11:33:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 11:33:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 11:33:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 11:33:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-20 11:33:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:33:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 11:33:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-20 11:33:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-20 11:33:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-20 11:33:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 11:33:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 11:33:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-20 11:33:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-20 11:33:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-20 11:33:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-20 11:33:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-20 11:33:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:33:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:33:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-20 11:33:41,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:33:41,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452662851] [2024-11-20 11:33:41,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452662851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:33:41,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:33:41,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:33:41,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030561412] [2024-11-20 11:33:41,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:33:41,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:33:41,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:33:41,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:33:41,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:33:41,184 INFO L87 Difference]: Start difference. First operand 2800 states and 4130 transitions. Second operand has 8 states, 8 states have (on average 19.625) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46)