./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--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-?-c7c6ca5-m [2024-11-09 04:37:04,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:37:04,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:37:04,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:37:04,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:37:04,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:37:04,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:37:04,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:37:04,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:37:04,140 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:37:04,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:37:04,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:37:04,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:37:04,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:37:04,146 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:37:04,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:37:04,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:37:04,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:37:04,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:37:04,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:37:04,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:37:04,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:37:04,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:37:04,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:37:04,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:37:04,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:37:04,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:37:04,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:37:04,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:37:04,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:37:04,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:37:04,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:37:04,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:37:04,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:37:04,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:37:04,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:37:04,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:37:04,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:37:04,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:37:04,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c4b1a27642c802f8c97577aadb7892fddcd015ae43c580aa1247dba190651 [2024-11-09 04:37:04,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:37:04,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:37:04,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:37:04,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:37:04,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:37:04,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-09 04:37:05,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:37:05,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:37:05,950 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 [2024-11-09 04:37:05,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdcfcd81/16ffa9201bc147489da3288598fc3f0d/FLAG0672d0172 [2024-11-09 04:37:06,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fdcfcd81/16ffa9201bc147489da3288598fc3f0d [2024-11-09 04:37:06,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:37:06,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:37:06,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:06,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:37:06,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:37:06,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:06" (1/1) ... [2024-11-09 04:37:06,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a4e357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:06, skipping insertion in model container [2024-11-09 04:37:06,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:06" (1/1) ... [2024-11-09 04:37:06,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:37:06,848 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] [2024-11-09 04:37:06,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:06,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:37:06,948 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] [2024-11-09 04:37:06,950 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] [2024-11-09 04:37:06,951 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] [2024-11-09 04:37:06,952 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] [2024-11-09 04:37:06,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-09 04:37:06,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-09 04:37:06,977 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] [2024-11-09 04:37:06,983 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] [2024-11-09 04:37:06,985 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] [2024-11-09 04:37:06,985 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] [2024-11-09 04:37:06,986 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] [2024-11-09 04:37:06,986 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] [2024-11-09 04:37:06,988 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] [2024-11-09 04:37:06,989 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] [2024-11-09 04:37:06,989 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] [2024-11-09 04:37:06,989 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] [2024-11-09 04:37:06,989 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] [2024-11-09 04:37:06,990 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] [2024-11-09 04:37:06,992 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] [2024-11-09 04:37:06,993 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] [2024-11-09 04:37:06,993 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] [2024-11-09 04:37:06,994 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] [2024-11-09 04:37:06,994 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] [2024-11-09 04:37:06,994 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] [2024-11-09 04:37:07,007 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] [2024-11-09 04:37:07,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:07,043 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:37:07,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07 WrapperNode [2024-11-09 04:37:07,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:07,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:07,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:37:07,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:37:07,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,135 INFO L138 Inliner]: procedures = 96, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1298 [2024-11-09 04:37:07,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:07,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:37:07,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:37:07,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:37:07,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,202 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [9, 2, 2, 1, 34, 3, 29, 13, 0, 3, 8]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [0, 2, 0, 0, 34, 1, 0, 0, 0, 3, 0]. The 50 writes are split as follows [2, 0, 1, 1, 0, 1, 29, 12, 0, 0, 4]. [2024-11-09 04:37:07,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:37:07,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:37:07,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:37:07,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:37:07,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (1/1) ... [2024-11-09 04:37:07,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:37:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:37:07,301 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) [2024-11-09 04:37:07,310 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 [2024-11-09 04:37:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:37:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-09 04:37:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-09 04:37:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-09 04:37:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-09 04:37:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-09 04:37:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-09 04:37:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 04:37:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:37:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-09 04:37:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-09 04:37:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:37:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 04:37:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:37:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:37:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 04:37:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 04:37:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-09 04:37:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-09 04:37:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-09 04:37:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 04:37:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-09 04:37:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-09 04:37:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-09 04:37:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:37:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-09 04:37:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:37:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:37:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-09 04:37:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-09 04:37:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-09 04:37:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-09 04:37:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 04:37:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 04:37:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 04:37:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 04:37:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 04:37:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 04:37:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 04:37:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 04:37:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-09 04:37:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-09 04:37:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 04:37:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 04:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:37:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:37:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 04:37:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 04:37:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 04:37:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-09 04:37:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-09 04:37:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-09 04:37:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-09 04:37:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-09 04:37:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-09 04:37:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-09 04:37:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-09 04:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-09 04:37:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-09 04:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-09 04:37:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-09 04:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:37:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:37:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 04:37:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 04:37:07,615 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:37:07,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:37:07,723 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:37:12,760 INFO L? ?]: Removed 473 outVars from TransFormulas that were not future-live. [2024-11-09 04:37:12,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:37:12,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:37:12,781 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:37:12,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:12 BoogieIcfgContainer [2024-11-09 04:37:12,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:37:12,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:37:12,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:37:12,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:37:12,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:37:06" (1/3) ... [2024-11-09 04:37:12,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ef978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:12, skipping insertion in model container [2024-11-09 04:37:12,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:07" (2/3) ... [2024-11-09 04:37:12,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721ef978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:12, skipping insertion in model container [2024-11-09 04:37:12,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:12" (3/3) ... [2024-11-09 04:37:12,787 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-09 04:37:12,799 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:37:12,800 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:37:12,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:37:12,866 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;@4d42520d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:37:12,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:37:12,874 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) [2024-11-09 04:37:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 04:37:12,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:12,891 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] [2024-11-09 04:37:12,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:12,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:12,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1376326871, now seen corresponding path program 1 times [2024-11-09 04:37:12,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:37:12,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288944112] [2024-11-09 04:37:12,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:12,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:37:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:37:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:37:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:37:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:37:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:37:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:37:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:37:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:37:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:37:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:37:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-09 04:37:13,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:37:13,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288944112] [2024-11-09 04:37:13,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288944112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:13,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:37:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036473225] [2024-11-09 04:37:13,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:13,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:37:13,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:37:13,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:37:13,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:37:13,748 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) [2024-11-09 04:37:17,768 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 [] [2024-11-09 04:37:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:19,356 INFO L93 Difference]: Finished difference Result 1295 states and 2010 transitions. [2024-11-09 04:37:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:37:19,360 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 [2024-11-09 04:37:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:19,378 INFO L225 Difference]: With dead ends: 1295 [2024-11-09 04:37:19,378 INFO L226 Difference]: Without dead ends: 671 [2024-11-09 04:37:19,385 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 [2024-11-09 04:37:19,387 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 [2024-11-09 04:37:19,387 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] [2024-11-09 04:37:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-09 04:37:19,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 607. [2024-11-09 04:37:19,475 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) [2024-11-09 04:37:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 908 transitions. [2024-11-09 04:37:19,483 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 908 transitions. Word has length 137 [2024-11-09 04:37:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 908 transitions. [2024-11-09 04:37:19,484 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) [2024-11-09 04:37:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 908 transitions. [2024-11-09 04:37:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 04:37:19,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:19,488 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] [2024-11-09 04:37:19,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:37:19,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:19,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash -422309855, now seen corresponding path program 1 times [2024-11-09 04:37:19,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:37:19,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005739951] [2024-11-09 04:37:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:37:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:37:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:37:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:37:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:37:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:37:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:37:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:37:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:37:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:37:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:37:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-09 04:37:19,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:37:19,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005739951] [2024-11-09 04:37:19,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005739951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:19,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:37:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847611791] [2024-11-09 04:37:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:19,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:37:19,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:37:19,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:37:19,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:37:19,929 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) [2024-11-09 04:37:23,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:27,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:29,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:29,314 INFO L93 Difference]: Finished difference Result 682 states and 1038 transitions. [2024-11-09 04:37:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:37:29,314 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 [2024-11-09 04:37:29,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:29,323 INFO L225 Difference]: With dead ends: 682 [2024-11-09 04:37:29,324 INFO L226 Difference]: Without dead ends: 677 [2024-11-09 04:37:29,324 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 [2024-11-09 04:37:29,325 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 1174 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 898 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 898 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:29,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1819 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [898 Valid, 842 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-11-09 04:37:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-09 04:37:29,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 608. [2024-11-09 04:37:29,366 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) [2024-11-09 04:37:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 909 transitions. [2024-11-09 04:37:29,371 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 909 transitions. Word has length 137 [2024-11-09 04:37:29,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:29,372 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 909 transitions. [2024-11-09 04:37:29,372 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) [2024-11-09 04:37:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 909 transitions. [2024-11-09 04:37:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 04:37:29,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:29,377 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] [2024-11-09 04:37:29,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:37:29,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:29,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:29,378 INFO L85 PathProgramCache]: Analyzing trace with hash -365051553, now seen corresponding path program 1 times [2024-11-09 04:37:29,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:37:29,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122165334] [2024-11-09 04:37:29,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:29,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:37:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:37:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:37:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:37:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:37:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:37:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:37:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:37:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:37:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:37:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:37:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-09 04:37:29,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:37:29,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122165334] [2024-11-09 04:37:29,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122165334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:29,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:29,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:37:29,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093296934] [2024-11-09 04:37:29,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:29,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:37:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:37:29,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:37:29,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:37:29,805 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) [2024-11-09 04:37:33,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:37,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:39,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:39,947 INFO L93 Difference]: Finished difference Result 1312 states and 2010 transitions. [2024-11-09 04:37:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 04:37:39,947 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 [2024-11-09 04:37:39,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:39,957 INFO L225 Difference]: With dead ends: 1312 [2024-11-09 04:37:39,957 INFO L226 Difference]: Without dead ends: 1273 [2024-11-09 04:37:39,959 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 [2024-11-09 04:37:39,960 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 1573 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 1619 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 2930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:39,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 2351 Invalid, 2930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 1309 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-11-09 04:37:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2024-11-09 04:37:40,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1148. [2024-11-09 04:37:40,022 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) [2024-11-09 04:37:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1715 transitions. [2024-11-09 04:37:40,031 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1715 transitions. Word has length 137 [2024-11-09 04:37:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:40,032 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1715 transitions. [2024-11-09 04:37:40,033 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) [2024-11-09 04:37:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1715 transitions. [2024-11-09 04:37:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-09 04:37:40,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:40,038 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] [2024-11-09 04:37:40,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:37:40,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:40,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:40,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1910546489, now seen corresponding path program 1 times [2024-11-09 04:37:40,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:37:40,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11408261] [2024-11-09 04:37:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:37:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:37:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:37:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:37:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:37:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:37:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:37:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:37:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:37:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:37:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:37:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:37:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 04:37:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 04:37:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-09 04:37:40,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:37:40,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11408261] [2024-11-09 04:37:40,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11408261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:40,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:40,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:37:40,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89162638] [2024-11-09 04:37:40,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:40,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:37:40,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:37:40,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:37:40,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:37:40,484 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) [2024-11-09 04:37:44,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:48,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:50,415 INFO L93 Difference]: Finished difference Result 2943 states and 4432 transitions. [2024-11-09 04:37:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 04:37:50,416 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 [2024-11-09 04:37:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:50,428 INFO L225 Difference]: With dead ends: 2943 [2024-11-09 04:37:50,429 INFO L226 Difference]: Without dead ends: 1823 [2024-11-09 04:37:50,433 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 [2024-11-09 04:37:50,434 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 1023 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 1250 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:50,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 2276 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 1248 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-09 04:37:50,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-09 04:37:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1642. [2024-11-09 04:37:50,505 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) [2024-11-09 04:37:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2433 transitions. [2024-11-09 04:37:50,515 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2433 transitions. Word has length 188 [2024-11-09 04:37:50,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:50,516 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2433 transitions. [2024-11-09 04:37:50,516 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) [2024-11-09 04:37:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2433 transitions. [2024-11-09 04:37:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-09 04:37:50,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:50,523 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] [2024-11-09 04:37:50,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:37:50,523 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:50,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1082506374, now seen corresponding path program 1 times [2024-11-09 04:37:50,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:37:50,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137451741] [2024-11-09 04:37:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:37:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:37:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:37:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:37:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:37:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:37:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:37:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:37:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:37:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:37:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:37:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:37:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:37:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:37:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:37:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:37:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:37:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:37:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:37:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:37:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:37:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-09 04:37:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 04:37:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:37:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-09 04:37:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:37:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-09 04:37:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:37:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-09 04:37:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-09 04:37:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:37:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 04:37:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-09 04:37:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-09 04:37:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:37:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:37:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:37:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-09 04:37:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-09 04:37:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-09 04:37:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-09 04:37:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:37:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-09 04:37:51,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:37:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137451741] [2024-11-09 04:37:51,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137451741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:51,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:51,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:37:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198968908] [2024-11-09 04:37:51,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:51,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:37:51,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:37:51,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:37:51,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:37:51,574 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) [2024-11-09 04:37:55,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:37:59,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:03,596 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 [] [2024-11-09 04:38:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:05,400 INFO L93 Difference]: Finished difference Result 3736 states and 5680 transitions. [2024-11-09 04:38:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:38:05,401 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 [2024-11-09 04:38:05,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:05,412 INFO L225 Difference]: With dead ends: 3736 [2024-11-09 04:38:05,412 INFO L226 Difference]: Without dead ends: 2132 [2024-11-09 04:38:05,417 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 [2024-11-09 04:38:05,418 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 1266 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 969 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:05,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 2417 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 1578 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 04:38:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-09 04:38:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 1926. [2024-11-09 04:38:05,511 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) [2024-11-09 04:38:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2907 transitions. [2024-11-09 04:38:05,520 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2907 transitions. Word has length 391 [2024-11-09 04:38:05,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:05,521 INFO L471 AbstractCegarLoop]: Abstraction has 1926 states and 2907 transitions. [2024-11-09 04:38:05,521 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) [2024-11-09 04:38:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2907 transitions. [2024-11-09 04:38:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-09 04:38:05,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:05,527 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] [2024-11-09 04:38:05,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:38:05,529 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:05,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2010376394, now seen corresponding path program 1 times [2024-11-09 04:38:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:38:05,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747310163] [2024-11-09 04:38:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:38:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:38:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:38:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:38:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:38:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:38:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:38:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:38:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:38:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:38:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:05,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:38:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:38:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:38:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:38:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:38:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:38:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-09 04:38:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 04:38:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-09 04:38:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 04:38:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 04:38:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 04:38:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-09 04:38:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-09 04:38:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-09 04:38:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-09 04:38:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-11-09 04:38:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-09 04:38:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 04:38:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-11-09 04:38:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-09 04:38:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2024-11-09 04:38:06,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:38:06,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747310163] [2024-11-09 04:38:06,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747310163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:06,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:06,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:38:06,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640879983] [2024-11-09 04:38:06,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:06,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:38:06,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:38:06,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:38:06,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:38:06,172 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) [2024-11-09 04:38:10,180 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 [] [2024-11-09 04:38:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:11,710 INFO L93 Difference]: Finished difference Result 4022 states and 6146 transitions. [2024-11-09 04:38:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:38:11,712 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 [2024-11-09 04:38:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:11,725 INFO L225 Difference]: With dead ends: 4022 [2024-11-09 04:38:11,725 INFO L226 Difference]: Without dead ends: 2134 [2024-11-09 04:38:11,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:38:11,733 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 620 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 1028 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:11,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 2249 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1028 Valid, 1318 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-09 04:38:11,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-09 04:38:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1962. [2024-11-09 04:38:11,814 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) [2024-11-09 04:38:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2939 transitions. [2024-11-09 04:38:11,823 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2939 transitions. Word has length 413 [2024-11-09 04:38:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:11,824 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2939 transitions. [2024-11-09 04:38:11,824 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) [2024-11-09 04:38:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2939 transitions. [2024-11-09 04:38:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-09 04:38:11,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:11,831 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] [2024-11-09 04:38:11,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 04:38:11,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:11,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash 917197589, now seen corresponding path program 1 times [2024-11-09 04:38:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:38:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744905186] [2024-11-09 04:38:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:38:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:38:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:38:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:38:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:38:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:38:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:38:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:38:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:38:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:38:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:38:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:38:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:38:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:38:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:38:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:38:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-09 04:38:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 04:38:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-09 04:38:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 04:38:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-09 04:38:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-09 04:38:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-09 04:38:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-09 04:38:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-09 04:38:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-09 04:38:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-09 04:38:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 04:38:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-09 04:38:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-09 04:38:12,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:38:12,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744905186] [2024-11-09 04:38:12,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744905186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:12,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:12,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:38:12,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209920003] [2024-11-09 04:38:12,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:12,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:38:12,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:38:12,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:38:12,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:38:12,368 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) [2024-11-09 04:38:16,375 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 [] [2024-11-09 04:38:17,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:17,727 INFO L93 Difference]: Finished difference Result 4058 states and 6154 transitions. [2024-11-09 04:38:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:38:17,728 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 [2024-11-09 04:38:17,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:17,741 INFO L225 Difference]: With dead ends: 4058 [2024-11-09 04:38:17,741 INFO L226 Difference]: Without dead ends: 2134 [2024-11-09 04:38:17,746 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 [2024-11-09 04:38:17,747 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 1297 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 1195 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:17,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1420 Valid, 1794 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 798 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-09 04:38:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-09 04:38:17,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1962. [2024-11-09 04:38:17,829 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) [2024-11-09 04:38:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2931 transitions. [2024-11-09 04:38:17,837 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2931 transitions. Word has length 404 [2024-11-09 04:38:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:17,838 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2931 transitions. [2024-11-09 04:38:17,838 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) [2024-11-09 04:38:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2931 transitions. [2024-11-09 04:38:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-09 04:38:17,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:17,846 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] [2024-11-09 04:38:17,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 04:38:17,846 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:17,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:17,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1615832669, now seen corresponding path program 1 times [2024-11-09 04:38:17,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:38:17,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488586774] [2024-11-09 04:38:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:17,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:38:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:38:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:38:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:38:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:38:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:38:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:38:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:38:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:38:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:38:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:38:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:38:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:38:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:38:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:38:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:38:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-09 04:38:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 04:38:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-09 04:38:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 04:38:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 04:38:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-09 04:38:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-09 04:38:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 04:38:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 04:38:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 04:38:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-09 04:38:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-09 04:38:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-09 04:38:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-11-09 04:38:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2024-11-09 04:38:18,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:38:18,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488586774] [2024-11-09 04:38:18,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488586774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:38:18,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456697914] [2024-11-09 04:38:18,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:38:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:38:18,579 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) [2024-11-09 04:38:18,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:38:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:19,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:38:19,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-09 04:38:19,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:19,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456697914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:19,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:38:19,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-09 04:38:19,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573212455] [2024-11-09 04:38:19,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:19,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:38:19,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:38:19,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:38:19,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:38:19,609 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) [2024-11-09 04:38:19,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:19,683 INFO L93 Difference]: Finished difference Result 3886 states and 5814 transitions. [2024-11-09 04:38:19,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:38:19,684 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 [2024-11-09 04:38:19,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:19,694 INFO L225 Difference]: With dead ends: 3886 [2024-11-09 04:38:19,694 INFO L226 Difference]: Without dead ends: 1962 [2024-11-09 04:38:19,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:38:19,701 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 [2024-11-09 04:38:19,701 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] [2024-11-09 04:38:19,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2024-11-09 04:38:19,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2024-11-09 04:38:19,800 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) [2024-11-09 04:38:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2929 transitions. [2024-11-09 04:38:19,809 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2929 transitions. Word has length 412 [2024-11-09 04:38:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:19,809 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2929 transitions. [2024-11-09 04:38:19,810 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) [2024-11-09 04:38:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2929 transitions. [2024-11-09 04:38:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-09 04:38:19,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:19,814 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] [2024-11-09 04:38:19,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:20,015 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 [2024-11-09 04:38:20,016 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:20,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1547634745, now seen corresponding path program 1 times [2024-11-09 04:38:20,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:38:20,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023680221] [2024-11-09 04:38:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:38:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:38:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:38:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:38:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:38:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:38:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:38:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:38:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:38:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:38:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:38:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:38:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:38:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:38:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:38:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:38:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-09 04:38:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 04:38:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-09 04:38:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 04:38:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 04:38:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-09 04:38:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-09 04:38:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 04:38:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 04:38:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 04:38:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-09 04:38:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-09 04:38:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 04:38:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-09 04:38:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-09 04:38:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-09 04:38:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:38:20,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023680221] [2024-11-09 04:38:20,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023680221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:38:20,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266069302] [2024-11-09 04:38:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:20,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:38:20,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:38:20,829 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) [2024-11-09 04:38:20,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:38:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:21,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 2450 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 04:38:21,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-09 04:38:21,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:21,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266069302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:21,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:38:21,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-09 04:38:21,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925365591] [2024-11-09 04:38:21,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:21,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:38:21,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:38:21,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:38:21,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:38:21,691 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) [2024-11-09 04:38:25,700 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 [] [2024-11-09 04:38:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:25,842 INFO L93 Difference]: Finished difference Result 4806 states and 7128 transitions. [2024-11-09 04:38:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:38:25,842 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 [2024-11-09 04:38:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:25,856 INFO L225 Difference]: With dead ends: 4806 [2024-11-09 04:38:25,856 INFO L226 Difference]: Without dead ends: 2800 [2024-11-09 04:38:25,863 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 [2024-11-09 04:38:25,865 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 [2024-11-09 04:38:25,865 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] [2024-11-09 04:38:25,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2024-11-09 04:38:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2800. [2024-11-09 04:38:26,020 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) [2024-11-09 04:38:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 4130 transitions. [2024-11-09 04:38:26,037 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 4130 transitions. Word has length 418 [2024-11-09 04:38:26,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:26,038 INFO L471 AbstractCegarLoop]: Abstraction has 2800 states and 4130 transitions. [2024-11-09 04:38:26,038 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) [2024-11-09 04:38:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 4130 transitions. [2024-11-09 04:38:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-09 04:38:26,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:26,047 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] [2024-11-09 04:38:26,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:26,247 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 [2024-11-09 04:38:26,248 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:26,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 961358523, now seen corresponding path program 1 times [2024-11-09 04:38:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:38:26,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590494585] [2024-11-09 04:38:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:38:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:38:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:38:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:38:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:38:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:38:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 04:38:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 04:38:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:38:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:38:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 04:38:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 04:38:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 04:38:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 04:38:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 04:38:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 04:38:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 04:38:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-09 04:38:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 04:38:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-09 04:38:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-09 04:38:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 04:38:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-09 04:38:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-09 04:38:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-09 04:38:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:38:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-09 04:38:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 04:38:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 04:38:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-09 04:38:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 04:38:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 04:38:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-09 04:38:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-09 04:38:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 04:38:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-09 04:38:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-09 04:38:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:38:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-09 04:38:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:38:26,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590494585] [2024-11-09 04:38:26,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590494585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:26,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:26,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:38:26,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348098391] [2024-11-09 04:38:26,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:26,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:38:26,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:38:26,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:38:26,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:38:26,810 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) [2024-11-09 04:38:30,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:34,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []