./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.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 ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 15:42:19,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:42:19,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:42:19,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:42:19,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:42:19,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:42:19,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:42:19,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:42:19,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:42:19,440 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:42:19,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:42:19,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:42:19,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:42:19,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:42:19,442 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:42:19,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:42:19,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:42:19,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:42:19,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:42:19,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:42:19,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:42:19,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:42:19,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:42:19,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:42:19,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:42:19,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:42:19,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:42:19,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:42:19,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:42:19,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:42:19,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:42:19,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:42:19,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:42:19,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:42:19,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:42:19,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:42:19,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:42:19,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:42:19,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:42:19,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2024-10-14 15:42:19,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:42:19,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:42:19,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:42:19,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:42:19,709 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:42:19,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-10-14 15:42:21,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:42:21,433 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:42:21,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-10-14 15:42:21,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bcc4728d/17e4bf5f43cf4f3c80d78faea64b5beb/FLAGb9ef2dde6 [2024-10-14 15:42:21,629 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bcc4728d/17e4bf5f43cf4f3c80d78faea64b5beb [2024-10-14 15:42:21,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:42:21,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:42:21,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:42:21,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:42:21,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:42:21,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:42:21" (1/1) ... [2024-10-14 15:42:21,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2986f5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:21, skipping insertion in model container [2024-10-14 15:42:21,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:42:21" (1/1) ... [2024-10-14 15:42:21,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:42:22,781 WARN L248 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-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2024-10-14 15:42:22,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:42:22,848 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:42:22,999 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"); [6231] [2024-10-14 15:42:23,001 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)); [6238] [2024-10-14 15:42:23,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2024-10-14 15:42:23,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2024-10-14 15:42:23,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2024-10-14 15:42:23,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2024-10-14 15:42:23,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6570-6571] [2024-10-14 15:42:23,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6599-6600] [2024-10-14 15:42:23,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6629-6630] [2024-10-14 15:42:23,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6659-6660] [2024-10-14 15:42:23,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2024-10-14 15:42:23,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2024-10-14 15:42:23,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2024-10-14 15:42:23,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2024-10-14 15:42:23,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2024-10-14 15:42:23,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2024-10-14 15:42:23,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2024-10-14 15:42:23,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2024-10-14 15:42:23,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2024-10-14 15:42:23,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2024-10-14 15:42:23,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2024-10-14 15:42:23,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2024-10-14 15:42:23,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2024-10-14 15:42:23,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2024-10-14 15:42:23,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2024-10-14 15:42:23,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2024-10-14 15:42:23,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2024-10-14 15:42:23,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2024-10-14 15:42:23,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2024-10-14 15:42:23,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2024-10-14 15:42:23,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2024-10-14 15:42:23,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2024-10-14 15:42:23,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2024-10-14 15:42:23,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2024-10-14 15:42:23,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2024-10-14 15:42:23,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2024-10-14 15:42:23,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2024-10-14 15:42:23,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2024-10-14 15:42:23,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2024-10-14 15:42:23,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2024-10-14 15:42:23,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2024-10-14 15:42:23,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2024-10-14 15:42:23,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2024-10-14 15:42:23,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2024-10-14 15:42:23,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2024-10-14 15:42:23,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2024-10-14 15:42:23,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2024-10-14 15:42:23,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-10-14 15:42:23,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2024-10-14 15:42:23,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2024-10-14 15:42:23,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2024-10-14 15:42:23,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2024-10-14 15:42:23,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2024-10-14 15:42:23,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2024-10-14 15:42:23,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2024-10-14 15:42:23,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8605] [2024-10-14 15:42:23,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8608] [2024-10-14 15:42:23,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8611] [2024-10-14 15:42:23,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8614] [2024-10-14 15:42:23,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8617] [2024-10-14 15:42:23,136 WARN L248 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-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2024-10-14 15:42:23,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:42:23,220 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:42:23,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23 WrapperNode [2024-10-14 15:42:23,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:42:23,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:42:23,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:42:23,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:42:23,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,437 INFO L138 Inliner]: procedures = 224, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4262 [2024-10-14 15:42:23,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:42:23,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:42:23,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:42:23,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:42:23,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,836 INFO L175 MemorySlicer]: Split 620 memory accesses to 10 slices as follows [2, 88, 8, 6, 4, 8, 453, 5, 5, 41]. 73 percent of accesses are in the largest equivalence class. The 235 initializations are split as follows [2, 88, 8, 0, 0, 8, 88, 0, 0, 41]. The 112 writes are split as follows [0, 0, 0, 1, 1, 0, 107, 3, 0, 0]. [2024-10-14 15:42:23,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:42:23,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:42:23,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:42:23,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:42:23,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (1/1) ... [2024-10-14 15:42:23,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:42:23,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:42:24,010 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) [2024-10-14 15:42:24,012 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 [2024-10-14 15:42:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-10-14 15:42:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-10-14 15:42:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-14 15:42:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-14 15:42:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-14 15:42:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-14 15:42:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-14 15:42:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-14 15:42:24,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-14 15:42:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-14 15:42:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:42:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-14 15:42:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-14 15:42:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-14 15:42:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-14 15:42:24,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:42:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:42:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-14 15:42:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-14 15:42:24,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-14 15:42:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-14 15:42:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-14 15:42:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-14 15:42:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-14 15:42:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-14 15:42:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 15:42:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 15:42:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 15:42:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-14 15:42:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-14 15:42:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-14 15:42:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-14 15:42:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-14 15:42:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-14 15:42:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-14 15:42:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:42:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:42:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-14 15:42:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-14 15:42:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-14 15:42:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-14 15:42:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-10-14 15:42:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-10-14 15:42:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-14 15:42:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-14 15:42:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-14 15:42:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-14 15:42:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:42:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2024-10-14 15:42:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2024-10-14 15:42:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:42:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:42:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:42:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:42:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-14 15:42:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-14 15:42:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-14 15:42:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-14 15:42:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:42:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-14 15:42:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:42:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:42:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-10-14 15:42:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-10-14 15:42:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2024-10-14 15:42:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-14 15:42:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-14 15:42:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-14 15:42:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-14 15:42:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-14 15:42:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-14 15:42:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-10-14 15:42:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-14 15:42:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:42:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-14 15:42:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-14 15:42:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-14 15:42:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:42:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:42:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:42:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:42:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:42:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:42:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:42:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-14 15:42:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-14 15:42:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2024-10-14 15:42:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2024-10-14 15:42:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-14 15:42:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-14 15:42:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:42:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-14 15:42:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-14 15:42:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-14 15:42:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-14 15:42:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:42:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:42:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:42:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:42:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:42:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:42:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:42:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:42:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:42:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:42:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-14 15:42:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-14 15:42:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-14 15:42:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-14 15:42:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-10-14 15:42:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-14 15:42:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-14 15:42:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-14 15:42:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-14 15:42:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-14 15:42:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-14 15:42:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:42:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:42:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-10-14 15:42:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-10-14 15:42:24,644 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:42:24,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:42:24,753 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:42:27,160 INFO L? ?]: Removed 1835 outVars from TransFormulas that were not future-live. [2024-10-14 15:42:27,161 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:42:27,393 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:42:27,393 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 15:42:27,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:42:27 BoogieIcfgContainer [2024-10-14 15:42:27,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:42:27,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:42:27,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:42:27,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:42:27,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:42:21" (1/3) ... [2024-10-14 15:42:27,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536d044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:42:27, skipping insertion in model container [2024-10-14 15:42:27,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:23" (2/3) ... [2024-10-14 15:42:27,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536d044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:42:27, skipping insertion in model container [2024-10-14 15:42:27,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:42:27" (3/3) ... [2024-10-14 15:42:27,399 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-10-14 15:42:27,414 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:42:27,414 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:42:27,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:42:27,485 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;@582fe175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:42:27,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:42:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 1285 states, 798 states have (on average 1.3721804511278195) internal successors, (1095), 823 states have internal predecessors, (1095), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) [2024-10-14 15:42:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 15:42:27,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:27,511 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:42:27,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:27,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:27,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1411574696, now seen corresponding path program 1 times [2024-10-14 15:42:27,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:27,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741976186] [2024-10-14 15:42:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:27,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 15:42:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-14 15:42:28,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:28,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741976186] [2024-10-14 15:42:28,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741976186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:28,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:28,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:42:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391260911] [2024-10-14 15:42:28,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:28,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:42:28,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:42:28,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:42:28,273 INFO L87 Difference]: Start difference. First operand has 1285 states, 798 states have (on average 1.3721804511278195) internal successors, (1095), 823 states have internal predecessors, (1095), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 15:42:33,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:33,037 INFO L93 Difference]: Finished difference Result 2965 states and 4635 transitions. [2024-10-14 15:42:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:42:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-10-14 15:42:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:33,063 INFO L225 Difference]: With dead ends: 2965 [2024-10-14 15:42:33,064 INFO L226 Difference]: Without dead ends: 1667 [2024-10-14 15:42:33,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:42:33,082 INFO L432 NwaCegarLoop]: 699 mSDtfsCounter, 1691 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 3443 mSolverCounterSat, 1216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 4659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1216 IncrementalHoareTripleChecker+Valid, 3443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:33,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 1770 Invalid, 4659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1216 Valid, 3443 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-14 15:42:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-10-14 15:42:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1269. [2024-10-14 15:42:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 791 states have (on average 1.3350189633375473) internal successors, (1056), 808 states have internal predecessors, (1056), 424 states have call successors, (424), 54 states have call predecessors, (424), 53 states have return successors, (423), 413 states have call predecessors, (423), 423 states have call successors, (423) [2024-10-14 15:42:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1903 transitions. [2024-10-14 15:42:33,246 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1903 transitions. Word has length 104 [2024-10-14 15:42:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:33,246 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 1903 transitions. [2024-10-14 15:42:33,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 15:42:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1903 transitions. [2024-10-14 15:42:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 15:42:33,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:33,256 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:42:33,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:42:33,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:33,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:33,257 INFO L85 PathProgramCache]: Analyzing trace with hash 932868784, now seen corresponding path program 1 times [2024-10-14 15:42:33,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074508036] [2024-10-14 15:42:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 15:42:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-14 15:42:33,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:33,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074508036] [2024-10-14 15:42:33,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074508036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:33,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:33,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:42:33,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799765449] [2024-10-14 15:42:33,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:33,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:42:33,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:42:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:42:33,606 INFO L87 Difference]: Start difference. First operand 1269 states and 1903 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 15:42:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:40,130 INFO L93 Difference]: Finished difference Result 4043 states and 6155 transitions. [2024-10-14 15:42:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:42:40,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-10-14 15:42:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:40,145 INFO L225 Difference]: With dead ends: 4043 [2024-10-14 15:42:40,145 INFO L226 Difference]: Without dead ends: 2794 [2024-10-14 15:42:40,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 15:42:40,152 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 3766 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 4946 mSolverCounterSat, 2908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4049 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 7854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2908 IncrementalHoareTripleChecker+Valid, 4946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:40,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4049 Valid, 2207 Invalid, 7854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2908 Valid, 4946 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-10-14 15:42:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2024-10-14 15:42:40,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2109. [2024-10-14 15:42:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 1313 states have (on average 1.3320639756283321) internal successors, (1749), 1349 states have internal predecessors, (1749), 700 states have call successors, (700), 96 states have call predecessors, (700), 95 states have return successors, (699), 676 states have call predecessors, (699), 699 states have call successors, (699) [2024-10-14 15:42:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3148 transitions. [2024-10-14 15:42:40,288 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3148 transitions. Word has length 104 [2024-10-14 15:42:40,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:40,290 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 3148 transitions. [2024-10-14 15:42:40,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 15:42:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3148 transitions. [2024-10-14 15:42:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 15:42:40,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:40,296 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:42:40,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:42:40,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:40,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:40,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1450135689, now seen corresponding path program 1 times [2024-10-14 15:42:40,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:40,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789042134] [2024-10-14 15:42:40,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:40,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 15:42:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 15:42:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 15:42:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 15:42:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 15:42:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:42:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789042134] [2024-10-14 15:42:40,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789042134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:40,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:40,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:42:40,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799027538] [2024-10-14 15:42:40,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:40,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:42:40,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:42:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:42:40,974 INFO L87 Difference]: Start difference. First operand 2109 states and 3148 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:42:50,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:42:50,910 INFO L93 Difference]: Finished difference Result 7679 states and 11693 transitions. [2024-10-14 15:42:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 15:42:50,911 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-10-14 15:42:50,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:42:50,940 INFO L225 Difference]: With dead ends: 7679 [2024-10-14 15:42:50,940 INFO L226 Difference]: Without dead ends: 5590 [2024-10-14 15:42:50,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-14 15:42:50,952 INFO L432 NwaCegarLoop]: 689 mSDtfsCounter, 4927 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 9267 mSolverCounterSat, 4539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 13806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4539 IncrementalHoareTripleChecker+Valid, 9267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:42:50,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5299 Valid, 3704 Invalid, 13806 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4539 Valid, 9267 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-10-14 15:42:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-10-14 15:42:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 4193. [2024-10-14 15:42:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 2610 states have (on average 1.331800766283525) internal successors, (3476), 2690 states have internal predecessors, (3476), 1392 states have call successors, (1392), 191 states have call predecessors, (1392), 190 states have return successors, (1391), 1337 states have call predecessors, (1391), 1391 states have call successors, (1391) [2024-10-14 15:42:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 6259 transitions. [2024-10-14 15:42:51,207 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 6259 transitions. Word has length 121 [2024-10-14 15:42:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:42:51,208 INFO L471 AbstractCegarLoop]: Abstraction has 4193 states and 6259 transitions. [2024-10-14 15:42:51,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:42:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 6259 transitions. [2024-10-14 15:42:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-14 15:42:51,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:42:51,211 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:42:51,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:42:51,211 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:42:51,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:42:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1091602750, now seen corresponding path program 1 times [2024-10-14 15:42:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:42:51,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970984010] [2024-10-14 15:42:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:42:51,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:42:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:42:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:42:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:42:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:42:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:42:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:42:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:42:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 15:42:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:42:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 15:42:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:42:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:42:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:42:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:42:51,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:42:51,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970984010] [2024-10-14 15:42:51,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970984010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:42:51,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:42:51,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:42:51,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264382911] [2024-10-14 15:42:51,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:42:51,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:42:51,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:42:51,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:42:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:42:51,653 INFO L87 Difference]: Start difference. First operand 4193 states and 6259 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:43:00,880 INFO L93 Difference]: Finished difference Result 15325 states and 23323 transitions. [2024-10-14 15:43:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 15:43:00,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-10-14 15:43:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:43:00,933 INFO L225 Difference]: With dead ends: 15325 [2024-10-14 15:43:00,933 INFO L226 Difference]: Without dead ends: 11152 [2024-10-14 15:43:00,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-14 15:43:00,954 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 5783 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 8095 mSolverCounterSat, 5949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 14044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5949 IncrementalHoareTripleChecker+Valid, 8095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:43:00,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 3384 Invalid, 14044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5949 Valid, 8095 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-10-14 15:43:00,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11152 states. [2024-10-14 15:43:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11152 to 8369. [2024-10-14 15:43:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 5214 states have (on average 1.3310318373609513) internal successors, (6940), 5372 states have internal predecessors, (6940), 2774 states have call successors, (2774), 381 states have call predecessors, (2774), 380 states have return successors, (2773), 2667 states have call predecessors, (2773), 2773 states have call successors, (2773) [2024-10-14 15:43:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 12487 transitions. [2024-10-14 15:43:01,500 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 12487 transitions. Word has length 122 [2024-10-14 15:43:01,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:43:01,500 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 12487 transitions. [2024-10-14 15:43:01,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 12487 transitions. [2024-10-14 15:43:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 15:43:01,502 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:43:01,503 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:43:01,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:43:01,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:43:01,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:43:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash -674871308, now seen corresponding path program 1 times [2024-10-14 15:43:01,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:43:01,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688211382] [2024-10-14 15:43:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:43:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:43:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:43:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:43:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:43:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:43:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 15:43:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 15:43:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 15:43:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 15:43:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 15:43:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:43:01,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:43:01,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688211382] [2024-10-14 15:43:01,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688211382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:43:01,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:43:01,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:43:01,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482439941] [2024-10-14 15:43:01,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:43:01,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:43:01,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:43:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:43:01,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:43:01,848 INFO L87 Difference]: Start difference. First operand 8369 states and 12487 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:43:10,300 INFO L93 Difference]: Finished difference Result 30638 states and 46589 transitions. [2024-10-14 15:43:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 15:43:10,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-10-14 15:43:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:43:10,513 INFO L225 Difference]: With dead ends: 30638 [2024-10-14 15:43:10,514 INFO L226 Difference]: Without dead ends: 22289 [2024-10-14 15:43:10,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-14 15:43:10,584 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 5022 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 8994 mSolverCounterSat, 4689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5395 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 13683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4689 IncrementalHoareTripleChecker+Valid, 8994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:43:10,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5395 Valid, 3676 Invalid, 13683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4689 Valid, 8994 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-10-14 15:43:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22289 states. [2024-10-14 15:43:12,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22289 to 16730. [2024-10-14 15:43:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16730 states, 10431 states have (on average 1.3302655545968747) internal successors, (13876), 10743 states have internal predecessors, (13876), 5536 states have call successors, (5536), 763 states have call predecessors, (5536), 762 states have return successors, (5535), 5327 states have call predecessors, (5535), 5535 states have call successors, (5535) [2024-10-14 15:43:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16730 states to 16730 states and 24947 transitions. [2024-10-14 15:43:12,156 INFO L78 Accepts]: Start accepts. Automaton has 16730 states and 24947 transitions. Word has length 123 [2024-10-14 15:43:12,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:43:12,157 INFO L471 AbstractCegarLoop]: Abstraction has 16730 states and 24947 transitions. [2024-10-14 15:43:12,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 16730 states and 24947 transitions. [2024-10-14 15:43:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 15:43:12,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:43:12,161 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:43:12,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:43:12,161 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:43:12,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:43:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1443020699, now seen corresponding path program 1 times [2024-10-14 15:43:12,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:43:12,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843031516] [2024-10-14 15:43:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:43:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:43:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:43:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:43:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:43:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:43:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:43:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 15:43:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:43:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 15:43:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:43:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:43:12,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:43:12,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843031516] [2024-10-14 15:43:12,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843031516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:43:12,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:43:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 15:43:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029726135] [2024-10-14 15:43:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:43:12,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 15:43:12,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:43:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 15:43:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:43:12,486 INFO L87 Difference]: Start difference. First operand 16730 states and 24947 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:23,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:43:23,355 INFO L93 Difference]: Finished difference Result 60251 states and 91503 transitions. [2024-10-14 15:43:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 15:43:23,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-10-14 15:43:23,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:43:23,527 INFO L225 Difference]: With dead ends: 60251 [2024-10-14 15:43:23,527 INFO L226 Difference]: Without dead ends: 43541 [2024-10-14 15:43:23,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-14 15:43:23,590 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 5765 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 8114 mSolverCounterSat, 5955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6135 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 14069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5955 IncrementalHoareTripleChecker+Valid, 8114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:43:23,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6135 Valid, 3344 Invalid, 14069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5955 Valid, 8114 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-10-14 15:43:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43541 states. [2024-10-14 15:43:25,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43541 to 32909. [2024-10-14 15:43:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32909 states, 20498 states have (on average 1.328812567079715) internal successors, (27238), 21086 states have internal predecessors, (27238), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2024-10-14 15:43:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32909 states to 32909 states and 49011 transitions. [2024-10-14 15:43:26,176 INFO L78 Accepts]: Start accepts. Automaton has 32909 states and 49011 transitions. Word has length 124 [2024-10-14 15:43:26,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:43:26,176 INFO L471 AbstractCegarLoop]: Abstraction has 32909 states and 49011 transitions. [2024-10-14 15:43:26,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-14 15:43:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32909 states and 49011 transitions. [2024-10-14 15:43:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-14 15:43:26,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:43:26,179 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-10-14 15:43:26,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:43:26,180 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:43:26,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:43:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1221996099, now seen corresponding path program 1 times [2024-10-14 15:43:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:43:26,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743525839] [2024-10-14 15:43:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:43:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:43:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:43:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:43:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:43:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:43:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:43:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 15:43:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 15:43:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 15:43:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 15:43:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:43:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-14 15:43:26,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:43:26,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743525839] [2024-10-14 15:43:26,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743525839] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:43:26,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995421184] [2024-10-14 15:43:26,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:26,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:43:26,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:43:26,776 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) [2024-10-14 15:43:26,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:43:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:27,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 15:43:27,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:43:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-14 15:43:27,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:43:27,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995421184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:43:27,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:43:27,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-14 15:43:27,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793533116] [2024-10-14 15:43:27,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:43:27,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:43:27,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:43:27,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:43:27,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:43:27,493 INFO L87 Difference]: Start difference. First operand 32909 states and 49011 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 15:43:29,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:43:29,120 INFO L93 Difference]: Finished difference Result 32944 states and 49077 transitions. [2024-10-14 15:43:29,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:43:29,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-10-14 15:43:29,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:43:29,341 INFO L225 Difference]: With dead ends: 32944 [2024-10-14 15:43:29,341 INFO L226 Difference]: Without dead ends: 32941 [2024-10-14 15:43:29,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-14 15:43:29,355 INFO L432 NwaCegarLoop]: 1790 mSDtfsCounter, 0 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:43:29,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3575 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 15:43:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2024-10-14 15:43:31,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 32941. [2024-10-14 15:43:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32941 states, 20530 states have (on average 1.328300048709206) internal successors, (27270), 21118 states have internal predecessors, (27270), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2024-10-14 15:43:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32941 states to 32941 states and 49043 transitions. [2024-10-14 15:43:31,744 INFO L78 Accepts]: Start accepts. Automaton has 32941 states and 49043 transitions. Word has length 134 [2024-10-14 15:43:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:43:31,745 INFO L471 AbstractCegarLoop]: Abstraction has 32941 states and 49043 transitions. [2024-10-14 15:43:31,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-14 15:43:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32941 states and 49043 transitions. [2024-10-14 15:43:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 15:43:31,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:43:31,748 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-10-14 15:43:31,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 15:43:31,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:43:31,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:43:31,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:43:31,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1949469538, now seen corresponding path program 1 times [2024-10-14 15:43:31,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:43:31,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328101758] [2024-10-14 15:43:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:43:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:43:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:43:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:43:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:43:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:43:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:43:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 15:43:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 15:43:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 15:43:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 15:43:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:43:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-14 15:43:32,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:43:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328101758] [2024-10-14 15:43:32,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328101758] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:43:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963851353] [2024-10-14 15:43:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:32,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:43:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:43:32,420 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) [2024-10-14 15:43:32,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 15:43:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:33,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:43:33,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:43:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:43:33,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:43:33,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963851353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:43:33,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:43:33,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-10-14 15:43:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495377585] [2024-10-14 15:43:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:43:33,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:43:33,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:43:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:43:33,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-14 15:43:33,341 INFO L87 Difference]: Start difference. First operand 32941 states and 49043 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 15:43:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:43:36,373 INFO L93 Difference]: Finished difference Result 82407 states and 122613 transitions. [2024-10-14 15:43:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 15:43:36,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-10-14 15:43:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:43:36,591 INFO L225 Difference]: With dead ends: 82407 [2024-10-14 15:43:36,591 INFO L226 Difference]: Without dead ends: 49486 [2024-10-14 15:43:36,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-10-14 15:43:36,678 INFO L432 NwaCegarLoop]: 2231 mSDtfsCounter, 1915 mSDsluCounter, 10682 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 12913 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:43:36,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 12913 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 15:43:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49486 states. [2024-10-14 15:43:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49486 to 49191. [2024-10-14 15:43:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49191 states, 30668 states have (on average 1.3287791835137603) internal successors, (40751), 31556 states have internal predecessors, (40751), 16230 states have call successors, (16230), 2277 states have call predecessors, (16230), 2292 states have return successors, (16269), 15653 states have call predecessors, (16269), 16229 states have call successors, (16269) [2024-10-14 15:43:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49191 states to 49191 states and 73250 transitions. [2024-10-14 15:43:40,528 INFO L78 Accepts]: Start accepts. Automaton has 49191 states and 73250 transitions. Word has length 136 [2024-10-14 15:43:40,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:43:40,528 INFO L471 AbstractCegarLoop]: Abstraction has 49191 states and 73250 transitions. [2024-10-14 15:43:40,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 15:43:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 49191 states and 73250 transitions. [2024-10-14 15:43:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 15:43:40,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:43:40,532 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 15:43:40,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 15:43:40,736 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,SelfDestructingSolverStorable7 [2024-10-14 15:43:40,737 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:43:40,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:43:40,738 INFO L85 PathProgramCache]: Analyzing trace with hash 788713750, now seen corresponding path program 1 times [2024-10-14 15:43:40,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:43:40,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256397728] [2024-10-14 15:43:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:43:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:43:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:43:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:43:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:43:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 15:43:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:43:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:43:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 15:43:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:43:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 15:43:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:43:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 15:43:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 15:43:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:43:41,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:43:41,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256397728] [2024-10-14 15:43:41,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256397728] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:43:41,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638717500] [2024-10-14 15:43:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:43:41,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:43:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:43:41,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 15:43:41,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 15:43:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:43:41,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 15:43:41,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:43:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-14 15:43:42,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:43:42,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638717500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:43:42,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:43:42,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-14 15:43:42,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738602176] [2024-10-14 15:43:42,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:43:42,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:43:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:43:42,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:43:42,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-14 15:43:42,072 INFO L87 Difference]: Start difference. First operand 49191 states and 73250 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)