./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 15:42:13,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:42:13,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:42:13,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:42:13,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:42:13,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:42:13,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:42:13,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:42:13,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:42:13,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:42:13,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:42:13,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:42:13,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:42:13,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:42:13,736 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:42:13,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:42:13,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:42:13,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:42:13,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:42:13,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:42:13,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:42:13,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:42:13,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:42:13,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:42:13,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:42:13,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:42:13,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:42:13,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:42:13,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:42:13,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:42:13,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:42:13,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:42:13,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:42:13,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:42:13,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:42:13,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:42:13,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:42:13,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:42:13,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:42:13,743 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2024-10-11 15:42:13,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:42:13,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:42:13,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:42:13,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:42:13,947 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:42:13,948 INFO L431 ainManager$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 [2024-10-11 15:42:15,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:42:15,536 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:42:15,537 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 [2024-10-11 15:42:15,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1624664e6/063351a1339a4aa785d2b9815642e9dd/FLAG7506d6cbc [2024-10-11 15:42:15,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1624664e6/063351a1339a4aa785d2b9815642e9dd [2024-10-11 15:42:15,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:42:15,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:42:15,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:42:15,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:42:15,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:42:15,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:42:15" (1/1) ... [2024-10-11 15:42:15,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22540920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:15, skipping insertion in model container [2024-10-11 15:42:15,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:42:15" (1/1) ... [2024-10-11 15:42:15,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:42:16,659 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] [2024-10-11 15:42:16,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:42:16,723 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:42:16,862 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] [2024-10-11 15:42:16,864 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] [2024-10-11 15:42:16,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2024-10-11 15:42:16,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2024-10-11 15:42:16,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2024-10-11 15:42:16,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2024-10-11 15:42:16,879 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] [2024-10-11 15:42:16,880 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] [2024-10-11 15:42:16,881 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] [2024-10-11 15:42:16,882 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] [2024-10-11 15:42:16,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2024-10-11 15:42:16,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2024-10-11 15:42:16,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2024-10-11 15:42:16,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2024-10-11 15:42:16,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2024-10-11 15:42:16,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2024-10-11 15:42:16,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2024-10-11 15:42:16,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2024-10-11 15:42:16,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2024-10-11 15:42:16,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2024-10-11 15:42:16,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2024-10-11 15:42:16,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2024-10-11 15:42:16,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2024-10-11 15:42:16,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2024-10-11 15:42:16,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2024-10-11 15:42:16,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2024-10-11 15:42:16,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2024-10-11 15:42:16,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2024-10-11 15:42:16,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2024-10-11 15:42:16,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2024-10-11 15:42:16,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2024-10-11 15:42:16,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2024-10-11 15:42:16,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2024-10-11 15:42:16,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2024-10-11 15:42:16,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2024-10-11 15:42:16,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2024-10-11 15:42:16,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2024-10-11 15:42:16,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2024-10-11 15:42:16,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2024-10-11 15:42:16,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2024-10-11 15:42:16,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2024-10-11 15:42:16,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2024-10-11 15:42:16,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2024-10-11 15:42:16,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2024-10-11 15:42:16,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2024-10-11 15:42:16,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2024-10-11 15:42:16,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2024-10-11 15:42:16,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-10-11 15:42:16,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2024-10-11 15:42:16,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2024-10-11 15:42:16,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2024-10-11 15:42:16,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2024-10-11 15:42:16,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2024-10-11 15:42:16,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2024-10-11 15:42:16,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2024-10-11 15:42:17,002 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] [2024-10-11 15:42:17,002 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] [2024-10-11 15:42:17,003 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] [2024-10-11 15:42:17,003 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] [2024-10-11 15:42:17,003 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] [2024-10-11 15:42:17,011 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] [2024-10-11 15:42:17,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:42:17,088 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:42:17,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17 WrapperNode [2024-10-11 15:42:17,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:42:17,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:42:17,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:42:17,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:42:17,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,292 INFO L138 Inliner]: procedures = 224, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4262 [2024-10-11 15:42:17,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:42:17,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:42:17,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:42:17,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:42:17,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,640 INFO L175 MemorySlicer]: Split 620 memory accesses to 10 slices as follows [2, 88, 4, 6, 8, 5, 8, 453, 41, 5]. 73 percent of accesses are in the largest equivalence class. The 235 initializations are split as follows [2, 88, 0, 0, 8, 0, 8, 88, 41, 0]. The 112 writes are split as follows [0, 0, 1, 1, 0, 0, 0, 107, 0, 3]. [2024-10-11 15:42:17,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:42:17,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:42:17,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:42:17,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:42:17,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (1/1) ... [2024-10-11 15:42:17,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:42:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:42:17,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:42:17,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:42:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-10-11 15:42:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-10-11 15:42:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:42:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:42:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:42:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:42:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-11 15:42:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-11 15:42:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:42:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:42:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:42:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 15:42:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 15:42:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:42:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:42:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:42:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:42:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:42:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:42:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-11 15:42:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-11 15:42:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:42:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:42:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:42:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 15:42:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 15:42:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:42:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:42:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:42:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:42:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:42:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:42:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:42:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:42:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:42:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:42:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:42:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:42:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:42:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-10-11 15:42:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-11 15:42:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-11 15:42:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2024-10-11 15:42:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:42:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:42:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:42:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:42:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:42:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-11 15:42:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-11 15:42:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-11 15:42:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-11 15:42:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:42:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:42:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-11 15:42:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-11 15:42:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:42:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:42:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-10-11 15:42:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2024-10-11 15:42:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:42:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:42:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-10-11 15:42:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:42:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:42:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:42:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:42:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 15:42:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 15:42:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:42:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:42:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:42:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:42:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:42:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:42:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:42:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:42:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:42:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-11 15:42:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2024-10-11 15:42:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:42:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:42:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:42:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:42:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:42:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:42:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-11 15:42:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:42:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:42:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-11 15:42:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-11 15:42:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:42:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:42:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:42:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:42:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-10-11 15:42:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-10-11 15:42:18,419 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:42:18,422 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:42:18,513 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:42:20,981 INFO L? ?]: Removed 1835 outVars from TransFormulas that were not future-live. [2024-10-11 15:42:20,981 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:42:21,157 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:42:21,158 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:42:21,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:42:21 BoogieIcfgContainer [2024-10-11 15:42:21,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:42:21,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:42:21,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:42:21,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:42:21,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:42:15" (1/3) ... [2024-10-11 15:42:21,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2ae1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:42:21, skipping insertion in model container [2024-10-11 15:42:21,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:42:17" (2/3) ... [2024-10-11 15:42:21,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2ae1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:42:21, skipping insertion in model container [2024-10-11 15:42:21,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:42:21" (3/3) ... [2024-10-11 15:42:21,165 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-10-11 15:42:21,177 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:42:21,178 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:42:21,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:42:21,270 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;@1c671f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:42:21,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:42:21,280 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) [2024-10-11 15:42:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 15:42:21,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:21,303 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] [2024-10-11 15:42:21,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:21,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1411574696, now seen corresponding path program 1 times [2024-10-11 15:42:21,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:21,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135700999] [2024-10-11 15:42:21,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:42:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-11 15:42:22,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:22,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135700999] [2024-10-11 15:42:22,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135700999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:22,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:22,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:42:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249854333] [2024-10-11 15:42:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:22,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:42:22,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:42:22,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:42:22,050 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) [2024-10-11 15:42:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:26,012 INFO L93 Difference]: Finished difference Result 2965 states and 4635 transitions. [2024-10-11 15:42:26,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:42:26,014 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 [2024-10-11 15:42:26,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:26,040 INFO L225 Difference]: With dead ends: 2965 [2024-10-11 15:42:26,040 INFO L226 Difference]: Without dead ends: 1667 [2024-10-11 15:42:26,050 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 [2024-10-11 15:42:26,053 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 1691 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 1216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 4638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1216 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:26,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 1769 Invalid, 4638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1216 Valid, 3422 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-11 15:42:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-10-11 15:42:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1269. [2024-10-11 15:42:26,184 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) [2024-10-11 15:42:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1903 transitions. [2024-10-11 15:42:26,193 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1903 transitions. Word has length 104 [2024-10-11 15:42:26,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:26,193 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 1903 transitions. [2024-10-11 15:42:26,194 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) [2024-10-11 15:42:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1903 transitions. [2024-10-11 15:42:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 15:42:26,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:26,197 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] [2024-10-11 15:42:26,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:42:26,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:26,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash 932868784, now seen corresponding path program 1 times [2024-10-11 15:42:26,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:26,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687250280] [2024-10-11 15:42:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:26,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:42:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-11 15:42:26,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:26,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687250280] [2024-10-11 15:42:26,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687250280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:26,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:26,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:42:26,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953274933] [2024-10-11 15:42:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:26,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:42:26,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:26,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:42:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:42:26,526 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) [2024-10-11 15:42:32,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:32,569 INFO L93 Difference]: Finished difference Result 4043 states and 6155 transitions. [2024-10-11 15:42:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:42:32,572 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 [2024-10-11 15:42:32,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:32,586 INFO L225 Difference]: With dead ends: 4043 [2024-10-11 15:42:32,587 INFO L226 Difference]: Without dead ends: 2794 [2024-10-11 15:42:32,593 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 [2024-10-11 15:42:32,594 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 3792 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 4840 mSolverCounterSat, 2951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 7791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2951 IncrementalHoareTripleChecker+Valid, 4840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:32,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4077 Valid, 2208 Invalid, 7791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2951 Valid, 4840 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-10-11 15:42:32,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2024-10-11 15:42:32,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2109. [2024-10-11 15:42:32,746 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) [2024-10-11 15:42:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3148 transitions. [2024-10-11 15:42:32,759 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3148 transitions. Word has length 104 [2024-10-11 15:42:32,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:32,760 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 3148 transitions. [2024-10-11 15:42:32,761 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) [2024-10-11 15:42:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3148 transitions. [2024-10-11 15:42:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 15:42:32,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:32,766 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] [2024-10-11 15:42:32,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:42:32,768 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:32,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1450135689, now seen corresponding path program 1 times [2024-10-11 15:42:32,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:32,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102173058] [2024-10-11 15:42:32,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:32,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:42:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:42:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 15:42:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:42:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:42:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:42:33,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:33,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102173058] [2024-10-11 15:42:33,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102173058] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:33,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:33,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:42:33,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800971188] [2024-10-11 15:42:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:33,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:42:33,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:42:33,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:42:33,235 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) [2024-10-11 15:42:41,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:41,009 INFO L93 Difference]: Finished difference Result 7679 states and 11693 transitions. [2024-10-11 15:42:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 15:42:41,010 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 [2024-10-11 15:42:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:41,032 INFO L225 Difference]: With dead ends: 7679 [2024-10-11 15:42:41,032 INFO L226 Difference]: Without dead ends: 5590 [2024-10-11 15:42:41,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-11 15:42:41,041 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 4927 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 9275 mSolverCounterSat, 4541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5300 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 13816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4541 IncrementalHoareTripleChecker+Valid, 9275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:41,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5300 Valid, 3705 Invalid, 13816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4541 Valid, 9275 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-10-11 15:42:41,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-10-11 15:42:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 4193. [2024-10-11 15:42:41,246 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) [2024-10-11 15:42:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 6259 transitions. [2024-10-11 15:42:41,264 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 6259 transitions. Word has length 121 [2024-10-11 15:42:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 4193 states and 6259 transitions. [2024-10-11 15:42:41,265 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) [2024-10-11 15:42:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 6259 transitions. [2024-10-11 15:42:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 15:42:41,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:41,267 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] [2024-10-11 15:42:41,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:42:41,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:41,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:41,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1091602750, now seen corresponding path program 1 times [2024-10-11 15:42:41,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:41,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828394983] [2024-10-11 15:42:41,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:41,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:42:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:42:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:42:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:42:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:42:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:42:41,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:41,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828394983] [2024-10-11 15:42:41,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828394983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:41,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:41,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:42:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821212934] [2024-10-11 15:42:41,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:41,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:42:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:41,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:42:41,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:42:41,702 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) [2024-10-11 15:42:49,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:49,069 INFO L93 Difference]: Finished difference Result 15325 states and 23323 transitions. [2024-10-11 15:42:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 15:42:49,069 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 [2024-10-11 15:42:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:49,119 INFO L225 Difference]: With dead ends: 15325 [2024-10-11 15:42:49,120 INFO L226 Difference]: Without dead ends: 11152 [2024-10-11 15:42:49,136 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 [2024-10-11 15:42:49,136 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 5783 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 8107 mSolverCounterSat, 5944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 14051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5944 IncrementalHoareTripleChecker+Valid, 8107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:49,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 3385 Invalid, 14051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5944 Valid, 8107 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-10-11 15:42:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11152 states. [2024-10-11 15:42:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11152 to 8369. [2024-10-11 15:42:49,643 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) [2024-10-11 15:42:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 12487 transitions. [2024-10-11 15:42:49,673 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 12487 transitions. Word has length 122 [2024-10-11 15:42:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:49,674 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 12487 transitions. [2024-10-11 15:42:49,674 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) [2024-10-11 15:42:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 12487 transitions. [2024-10-11 15:42:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 15:42:49,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:49,677 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] [2024-10-11 15:42:49,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:42:49,677 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:49,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash -674871308, now seen corresponding path program 1 times [2024-10-11 15:42:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:49,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309213225] [2024-10-11 15:42:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:42:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:42:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 15:42:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:42:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 15:42:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:42:49,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:49,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309213225] [2024-10-11 15:42:49,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309213225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:49,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:49,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:42:49,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393533559] [2024-10-11 15:42:49,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:49,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:42:49,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:42:49,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:42:49,996 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) [2024-10-11 15:42:57,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:42:57,741 INFO L93 Difference]: Finished difference Result 30638 states and 46589 transitions. [2024-10-11 15:42:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 15:42:57,741 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 [2024-10-11 15:42:57,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:42:57,828 INFO L225 Difference]: With dead ends: 30638 [2024-10-11 15:42:57,829 INFO L226 Difference]: Without dead ends: 22289 [2024-10-11 15:42:57,858 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 [2024-10-11 15:42:57,859 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 5022 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 9010 mSolverCounterSat, 4690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 3677 SdHoareTripleChecker+Invalid, 13700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4690 IncrementalHoareTripleChecker+Valid, 9010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:42:57,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5390 Valid, 3677 Invalid, 13700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4690 Valid, 9010 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-10-11 15:42:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22289 states. [2024-10-11 15:42:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22289 to 16730. [2024-10-11 15:42:58,796 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) [2024-10-11 15:42:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16730 states to 16730 states and 24947 transitions. [2024-10-11 15:42:58,866 INFO L78 Accepts]: Start accepts. Automaton has 16730 states and 24947 transitions. Word has length 123 [2024-10-11 15:42:58,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:42:58,867 INFO L471 AbstractCegarLoop]: Abstraction has 16730 states and 24947 transitions. [2024-10-11 15:42:58,867 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) [2024-10-11 15:42:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 16730 states and 24947 transitions. [2024-10-11 15:42:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 15:42:58,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:42:58,870 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] [2024-10-11 15:42:58,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:42:58,871 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:42:58,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:42:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1443020699, now seen corresponding path program 1 times [2024-10-11 15:42:58,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:42:58,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455405221] [2024-10-11 15:42:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:42:58,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:42:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:42:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:42:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:42:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:42:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:42:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:42:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:42:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:42:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 15:42:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:42:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:42:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:42:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:42:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:42:59,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:42:59,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455405221] [2024-10-11 15:42:59,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455405221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:42:59,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:42:59,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:42:59,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16402548] [2024-10-11 15:42:59,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:42:59,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:42:59,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:42:59,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:42:59,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:42:59,385 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) [2024-10-11 15:43:07,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:43:07,713 INFO L93 Difference]: Finished difference Result 60251 states and 91503 transitions. [2024-10-11 15:43:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 15:43:07,714 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 [2024-10-11 15:43:07,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:43:07,868 INFO L225 Difference]: With dead ends: 60251 [2024-10-11 15:43:07,868 INFO L226 Difference]: Without dead ends: 43541 [2024-10-11 15:43:07,934 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 [2024-10-11 15:43:07,936 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 5765 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 8091 mSolverCounterSat, 5957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6138 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 14048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5957 IncrementalHoareTripleChecker+Valid, 8091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:43:07,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6138 Valid, 3342 Invalid, 14048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5957 Valid, 8091 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-10-11 15:43:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43541 states. [2024-10-11 15:43:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43541 to 32909. [2024-10-11 15:43:10,124 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) [2024-10-11 15:43:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32909 states to 32909 states and 49011 transitions. [2024-10-11 15:43:10,249 INFO L78 Accepts]: Start accepts. Automaton has 32909 states and 49011 transitions. Word has length 124 [2024-10-11 15:43:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:43:10,249 INFO L471 AbstractCegarLoop]: Abstraction has 32909 states and 49011 transitions. [2024-10-11 15:43:10,249 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) [2024-10-11 15:43:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32909 states and 49011 transitions. [2024-10-11 15:43:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 15:43:10,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:43:10,252 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] [2024-10-11 15:43:10,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:43:10,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:43:10,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:43:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1221996099, now seen corresponding path program 1 times [2024-10-11 15:43:10,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:43:10,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312493382] [2024-10-11 15:43:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:43:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:43:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:43:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:43:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:43:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:43:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:43:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:43:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 15:43:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 15:43:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:43:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:43:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-11 15:43:10,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:43:10,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312493382] [2024-10-11 15:43:10,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312493382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:43:10,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108116949] [2024-10-11 15:43:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:10,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:43:10,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:43:10,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:43:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:11,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 15:43:11,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:43:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-11 15:43:11,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:43:11,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108116949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:43:11,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:43:11,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-11 15:43:11,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836557054] [2024-10-11 15:43:11,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:43:11,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:43:11,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:43:11,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:43:11,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 15:43:11,266 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) [2024-10-11 15:43:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:43:12,407 INFO L93 Difference]: Finished difference Result 32944 states and 49077 transitions. [2024-10-11 15:43:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:43:12,408 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 [2024-10-11 15:43:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:43:12,528 INFO L225 Difference]: With dead ends: 32944 [2024-10-11 15:43:12,529 INFO L226 Difference]: Without dead ends: 32941 [2024-10-11 15:43:12,549 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 [2024-10-11 15:43:12,550 INFO L432 NwaCegarLoop]: 1790 mSDtfsCounter, 0 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:43:12,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3575 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:43:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2024-10-11 15:43:14,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 32941. [2024-10-11 15:43:14,850 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) [2024-10-11 15:43:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32941 states to 32941 states and 49043 transitions. [2024-10-11 15:43:14,985 INFO L78 Accepts]: Start accepts. Automaton has 32941 states and 49043 transitions. Word has length 134 [2024-10-11 15:43:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:43:14,986 INFO L471 AbstractCegarLoop]: Abstraction has 32941 states and 49043 transitions. [2024-10-11 15:43:14,987 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) [2024-10-11 15:43:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32941 states and 49043 transitions. [2024-10-11 15:43:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 15:43:14,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:43:14,992 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] [2024-10-11 15:43:15,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 15:43:15,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:15,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:43:15,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:43:15,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1949469538, now seen corresponding path program 1 times [2024-10-11 15:43:15,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:43:15,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949779399] [2024-10-11 15:43:15,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:43:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:43:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:43:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:43:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:43:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:43:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:43:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:43:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 15:43:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 15:43:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:43:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:43:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-11 15:43:15,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:43:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949779399] [2024-10-11 15:43:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949779399] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:43:15,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030842015] [2024-10-11 15:43:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:15,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:15,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:43:15,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:43:15,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:43:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:16,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 15:43:16,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:43:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:43:16,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:43:16,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030842015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:43:16,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:43:16,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-10-11 15:43:16,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844952676] [2024-10-11 15:43:16,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:43:16,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:43:16,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:43:16,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:43:16,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-11 15:43:16,376 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) [2024-10-11 15:43:18,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:43:18,647 INFO L93 Difference]: Finished difference Result 82407 states and 122613 transitions. [2024-10-11 15:43:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 15:43:18,648 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 [2024-10-11 15:43:18,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:43:18,865 INFO L225 Difference]: With dead ends: 82407 [2024-10-11 15:43:18,865 INFO L226 Difference]: Without dead ends: 49486 [2024-10-11 15:43:18,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-10-11 15:43:18,991 INFO L432 NwaCegarLoop]: 2231 mSDtfsCounter, 1915 mSDsluCounter, 10682 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:43:18,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 12913 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:43:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49486 states. [2024-10-11 15:43:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49486 to 49191. [2024-10-11 15:43:22,256 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) [2024-10-11 15:43:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49191 states to 49191 states and 73250 transitions. [2024-10-11 15:43:22,471 INFO L78 Accepts]: Start accepts. Automaton has 49191 states and 73250 transitions. Word has length 136 [2024-10-11 15:43:22,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:43:22,471 INFO L471 AbstractCegarLoop]: Abstraction has 49191 states and 73250 transitions. [2024-10-11 15:43:22,472 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) [2024-10-11 15:43:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 49191 states and 73250 transitions. [2024-10-11 15:43:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 15:43:22,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:43:22,475 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] [2024-10-11 15:43:22,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 15:43:22,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:22,677 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:43:22,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:43:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 788713750, now seen corresponding path program 1 times [2024-10-11 15:43:22,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:43:22,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251308759] [2024-10-11 15:43:22,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:22,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:43:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:22,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:22,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:22,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:43:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:22,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:43:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:43:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:43:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:43:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:43:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:43:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 15:43:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:43:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 15:43:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 15:43:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:43:23,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:43:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251308759] [2024-10-11 15:43:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251308759] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:43:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777715547] [2024-10-11 15:43:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:23,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:43:23,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:43:23,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 15:43:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:23,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 15:43:23,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:43:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:43:23,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:43:23,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777715547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:43:23,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:43:23,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-11 15:43:23,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160471692] [2024-10-11 15:43:23,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:43:23,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:43:23,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:43:23,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:43:23,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-11 15:43:23,911 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) [2024-10-11 15:43:27,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:43:27,521 INFO L93 Difference]: Finished difference Result 115013 states and 171119 transitions. [2024-10-11 15:43:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 15:43:27,521 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 137 [2024-10-11 15:43:27,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:43:27,767 INFO L225 Difference]: With dead ends: 115013 [2024-10-11 15:43:27,767 INFO L226 Difference]: Without dead ends: 65842 [2024-10-11 15:43:27,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-10-11 15:43:27,890 INFO L432 NwaCegarLoop]: 2269 mSDtfsCounter, 1915 mSDsluCounter, 10822 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 13091 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:43:27,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 13091 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:43:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65842 states. [2024-10-11 15:43:31,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65842 to 65505. [2024-10-11 15:43:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65505 states, 40846 states have (on average 1.3286980365274446) internal successors, (54272), 42066 states have internal predecessors, (54272), 21573 states have call successors, (21573), 3030 states have call predecessors, (21573), 3085 states have return successors, (21676), 20800 states have call predecessors, (21676), 21572 states have call successors, (21676) [2024-10-11 15:43:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65505 states to 65505 states and 97521 transitions. [2024-10-11 15:43:32,305 INFO L78 Accepts]: Start accepts. Automaton has 65505 states and 97521 transitions. Word has length 137 [2024-10-11 15:43:32,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:43:32,305 INFO L471 AbstractCegarLoop]: Abstraction has 65505 states and 97521 transitions. [2024-10-11 15:43:32,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-10-11 15:43:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 65505 states and 97521 transitions. [2024-10-11 15:43:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-11 15:43:32,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:43:32,309 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, 1] [2024-10-11 15:43:32,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 15:43:32,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:32,510 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:43:32,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:43:32,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2059851259, now seen corresponding path program 1 times [2024-10-11 15:43:32,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:43:32,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108374011] [2024-10-11 15:43:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:43:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:43:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:43:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:43:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:43:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:43:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:43:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:43:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 15:43:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:43:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:43:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 15:43:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 15:43:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:43:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:43:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 15:43:32,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:43:32,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108374011] [2024-10-11 15:43:32,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108374011] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:43:32,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040246740] [2024-10-11 15:43:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:43:32,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:43:32,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:43:32,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:43:32,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process