./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 14:03:25,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:03:25,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:03:25,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:03:25,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:03:26,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:03:26,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:03:26,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:03:26,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:03:26,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:03:26,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:03:26,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:03:26,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:03:26,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:03:26,018 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:03:26,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:03:26,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:03:26,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:03:26,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:03:26,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:03:26,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:03:26,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:03:26,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:03:26,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:03:26,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:03:26,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:03:26,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:03:26,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:03:26,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:03:26,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:03:26,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:03:26,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:03:26,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:03:26,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:03:26,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2024-10-24 14:03:26,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:03:26,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:03:26,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:03:26,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:03:26,251 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:03:26,252 INFO L431 ainManager$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 [2024-10-24 14:03:27,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:03:28,170 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:03:28,171 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 [2024-10-24 14:03:28,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434fac688/8240e05587584071b8bd627456c70a5f/FLAG0d32b1ca7 [2024-10-24 14:03:28,309 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434fac688/8240e05587584071b8bd627456c70a5f [2024-10-24 14:03:28,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:03:28,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:03:28,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:03:28,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:03:28,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:03:28,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:03:28" (1/1) ... [2024-10-24 14:03:28,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517aecb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:28, skipping insertion in model container [2024-10-24 14:03:28,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:03:28" (1/1) ... [2024-10-24 14:03:28,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:03:29,764 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] [2024-10-24 14:03:29,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:03:29,925 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:03:30,004 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] [2024-10-24 14:03:30,006 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] [2024-10-24 14:03:30,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2024-10-24 14:03:30,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2024-10-24 14:03:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2024-10-24 14:03:30,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2024-10-24 14:03:30,022 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] [2024-10-24 14:03:30,024 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] [2024-10-24 14:03:30,026 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] [2024-10-24 14:03:30,027 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] [2024-10-24 14:03:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2024-10-24 14:03:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2024-10-24 14:03:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2024-10-24 14:03:30,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2024-10-24 14:03:30,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2024-10-24 14:03:30,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2024-10-24 14:03:30,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2024-10-24 14:03:30,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2024-10-24 14:03:30,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2024-10-24 14:03:30,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2024-10-24 14:03:30,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2024-10-24 14:03:30,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2024-10-24 14:03:30,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2024-10-24 14:03:30,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2024-10-24 14:03:30,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2024-10-24 14:03:30,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2024-10-24 14:03:30,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2024-10-24 14:03:30,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2024-10-24 14:03:30,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2024-10-24 14:03:30,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2024-10-24 14:03:30,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2024-10-24 14:03:30,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2024-10-24 14:03:30,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2024-10-24 14:03:30,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2024-10-24 14:03:30,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2024-10-24 14:03:30,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2024-10-24 14:03:30,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2024-10-24 14:03:30,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2024-10-24 14:03:30,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2024-10-24 14:03:30,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2024-10-24 14:03:30,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2024-10-24 14:03:30,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2024-10-24 14:03:30,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2024-10-24 14:03:30,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2024-10-24 14:03:30,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2024-10-24 14:03:30,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2024-10-24 14:03:30,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2024-10-24 14:03:30,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-10-24 14:03:30,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2024-10-24 14:03:30,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2024-10-24 14:03:30,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2024-10-24 14:03:30,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2024-10-24 14:03:30,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2024-10-24 14:03:30,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2024-10-24 14:03:30,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2024-10-24 14:03:30,124 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] [2024-10-24 14:03:30,124 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] [2024-10-24 14:03:30,124 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] [2024-10-24 14:03:30,124 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] [2024-10-24 14:03:30,125 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] [2024-10-24 14:03:30,135 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] [2024-10-24 14:03:30,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:03:30,268 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:03:30,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30 WrapperNode [2024-10-24 14:03:30,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:03:30,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:03:30,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:03:30,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:03:30,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,435 INFO L138 Inliner]: procedures = 224, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4262 [2024-10-24 14:03:30,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:03:30,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:03:30,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:03:30,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:03:30,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,909 INFO L175 MemorySlicer]: Split 620 memory accesses to 10 slices as follows [2, 88, 8, 5, 6, 8, 453, 5, 41, 4]. 73 percent of accesses are in the largest equivalence class. The 235 initializations are split as follows [2, 88, 8, 0, 0, 8, 88, 0, 41, 0]. The 112 writes are split as follows [0, 0, 0, 0, 1, 0, 107, 3, 0, 1]. [2024-10-24 14:03:30,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:30,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:03:31,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:03:31,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:03:31,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:03:31,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (1/1) ... [2024-10-24 14:03:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:03:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:03:31,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 14:03:31,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 14:03:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-10-24 14:03:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-10-24 14:03:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 14:03:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 14:03:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 14:03:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 14:03:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 14:03:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 14:03:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 14:03:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-24 14:03:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 14:03:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 14:03:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-24 14:03:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-24 14:03:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:03:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:03:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:03:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:03:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:03:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:03:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-24 14:03:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-24 14:03:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:03:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:03:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 14:03:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 14:03:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-24 14:03:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:03:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:03:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2024-10-24 14:03:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2024-10-24 14:03:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:03:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-24 14:03:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-24 14:03:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-24 14:03:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-24 14:03:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:03:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:03:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-24 14:03:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:03:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:03:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-10-24 14:03:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-24 14:03:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-24 14:03:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 14:03:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 14:03:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-10-24 14:03:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-10-24 14:03:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-24 14:03:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-24 14:03:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:03:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:03:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-10-24 14:03:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-10-24 14:03:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2024-10-24 14:03:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 14:03:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:03:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-10-24 14:03:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:03:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:03:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-24 14:03:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-24 14:03:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-24 14:03:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:03:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:03:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 14:03:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 14:03:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:03:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 14:03:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-24 14:03:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-24 14:03:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:03:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:03:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:03:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:03:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-10-24 14:03:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-10-24 14:03:31,702 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:03:31,704 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:03:31,805 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:03:34,766 INFO L? ?]: Removed 1835 outVars from TransFormulas that were not future-live. [2024-10-24 14:03:34,766 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:03:34,971 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:03:34,971 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 14:03:34,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:03:34 BoogieIcfgContainer [2024-10-24 14:03:34,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:03:34,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:03:34,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:03:34,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:03:34,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:03:28" (1/3) ... [2024-10-24 14:03:34,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b353756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:03:34, skipping insertion in model container [2024-10-24 14:03:34,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:03:30" (2/3) ... [2024-10-24 14:03:34,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b353756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:03:34, skipping insertion in model container [2024-10-24 14:03:34,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:03:34" (3/3) ... [2024-10-24 14:03:34,981 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-10-24 14:03:34,994 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:03:34,994 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 14:03:35,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:03:35,112 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;@43b1003f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:03:35,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 14:03:35,121 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) [2024-10-24 14:03:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 14:03:35,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:35,135 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] [2024-10-24 14:03:35,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:35,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:35,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2118266360, now seen corresponding path program 1 times [2024-10-24 14:03:35,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:35,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072731541] [2024-10-24 14:03:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:03:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:03:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-24 14:03:35,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:35,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072731541] [2024-10-24 14:03:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072731541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:35,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:35,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:03:35,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830888447] [2024-10-24 14:03:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:35,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:03:35,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:35,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:03:35,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:03:35,952 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) [2024-10-24 14:03:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:40,256 INFO L93 Difference]: Finished difference Result 2965 states and 4635 transitions. [2024-10-24 14:03:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:03:40,259 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 [2024-10-24 14:03:40,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:40,283 INFO L225 Difference]: With dead ends: 2965 [2024-10-24 14:03:40,283 INFO L226 Difference]: Without dead ends: 1667 [2024-10-24 14:03:40,296 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 [2024-10-24 14:03:40,298 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 1685 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 3441 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 4652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 3441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:40,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 1769 Invalid, 4652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1211 Valid, 3441 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 14:03:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2024-10-24 14:03:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1269. [2024-10-24 14:03:40,514 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) [2024-10-24 14:03:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1903 transitions. [2024-10-24 14:03:40,535 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1903 transitions. Word has length 104 [2024-10-24 14:03:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:40,536 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 1903 transitions. [2024-10-24 14:03:40,536 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) [2024-10-24 14:03:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1903 transitions. [2024-10-24 14:03:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 14:03:40,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:40,540 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] [2024-10-24 14:03:40,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:03:40,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:40,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1697995024, now seen corresponding path program 1 times [2024-10-24 14:03:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:40,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222195234] [2024-10-24 14:03:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:03:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:03:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-24 14:03:40,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:40,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222195234] [2024-10-24 14:03:40,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222195234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:40,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:40,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:03:40,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944160028] [2024-10-24 14:03:40,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:41,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:03:41,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:41,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:03:41,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:03:41,002 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) [2024-10-24 14:03:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:47,464 INFO L93 Difference]: Finished difference Result 4043 states and 6155 transitions. [2024-10-24 14:03:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 14:03:47,464 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 [2024-10-24 14:03:47,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:47,478 INFO L225 Difference]: With dead ends: 4043 [2024-10-24 14:03:47,479 INFO L226 Difference]: Without dead ends: 2794 [2024-10-24 14:03:47,483 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 [2024-10-24 14:03:47,484 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 3766 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 4946 mSolverCounterSat, 2910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 7856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2910 IncrementalHoareTripleChecker+Valid, 4946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:47,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4051 Valid, 2208 Invalid, 7856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2910 Valid, 4946 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-10-24 14:03:47,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2024-10-24 14:03:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2109. [2024-10-24 14:03:47,639 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) [2024-10-24 14:03:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3148 transitions. [2024-10-24 14:03:47,659 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3148 transitions. Word has length 104 [2024-10-24 14:03:47,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:47,664 INFO L471 AbstractCegarLoop]: Abstraction has 2109 states and 3148 transitions. [2024-10-24 14:03:47,664 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) [2024-10-24 14:03:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3148 transitions. [2024-10-24 14:03:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 14:03:47,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:47,671 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] [2024-10-24 14:03:47,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:03:47,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:47,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:47,674 INFO L85 PathProgramCache]: Analyzing trace with hash -351054569, now seen corresponding path program 1 times [2024-10-24 14:03:47,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:47,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364454854] [2024-10-24 14:03:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:47,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:03:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:03:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 14:03:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 14:03:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:03:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 14:03:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:03:48,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:48,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364454854] [2024-10-24 14:03:48,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364454854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:48,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:48,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 14:03:48,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771670993] [2024-10-24 14:03:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:48,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 14:03:48,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 14:03:48,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:03:48,243 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) [2024-10-24 14:03:57,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:03:57,263 INFO L93 Difference]: Finished difference Result 7679 states and 11693 transitions. [2024-10-24 14:03:57,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 14:03:57,263 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 [2024-10-24 14:03:57,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:03:57,320 INFO L225 Difference]: With dead ends: 7679 [2024-10-24 14:03:57,324 INFO L226 Difference]: Without dead ends: 5590 [2024-10-24 14:03:57,342 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 [2024-10-24 14:03:57,342 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 4927 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 9255 mSolverCounterSat, 4548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5298 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 13803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4548 IncrementalHoareTripleChecker+Valid, 9255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:03:57,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5298 Valid, 3705 Invalid, 13803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4548 Valid, 9255 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-10-24 14:03:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-10-24 14:03:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 4193. [2024-10-24 14:03:57,886 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) [2024-10-24 14:03:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 6259 transitions. [2024-10-24 14:03:57,916 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 6259 transitions. Word has length 121 [2024-10-24 14:03:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:03:57,921 INFO L471 AbstractCegarLoop]: Abstraction has 4193 states and 6259 transitions. [2024-10-24 14:03:57,921 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) [2024-10-24 14:03:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 6259 transitions. [2024-10-24 14:03:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 14:03:57,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:03:57,929 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] [2024-10-24 14:03:57,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:03:57,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:03:57,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:03:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash 803379102, now seen corresponding path program 1 times [2024-10-24 14:03:57,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:03:57,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367797809] [2024-10-24 14:03:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:03:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:03:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:03:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:03:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:03:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:03:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:03:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:03:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:03:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 14:03:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:03:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 14:03:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:03:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 14:03:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:03:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:03:58,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:03:58,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367797809] [2024-10-24 14:03:58,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367797809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:03:58,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:03:58,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 14:03:58,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984531226] [2024-10-24 14:03:58,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:03:58,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 14:03:58,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:03:58,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 14:03:58,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:03:58,352 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) [2024-10-24 14:04:07,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:04:07,435 INFO L93 Difference]: Finished difference Result 15325 states and 23323 transitions. [2024-10-24 14:04:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 14:04:07,436 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 [2024-10-24 14:04:07,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:04:07,498 INFO L225 Difference]: With dead ends: 15325 [2024-10-24 14:04:07,498 INFO L226 Difference]: Without dead ends: 11152 [2024-10-24 14:04:07,521 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 [2024-10-24 14:04:07,523 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 5783 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 8074 mSolverCounterSat, 5955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6159 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 14029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5955 IncrementalHoareTripleChecker+Valid, 8074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:04:07,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6159 Valid, 3383 Invalid, 14029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5955 Valid, 8074 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-10-24 14:04:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11152 states. [2024-10-24 14:04:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11152 to 8369. [2024-10-24 14:04:08,104 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) [2024-10-24 14:04:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 12487 transitions. [2024-10-24 14:04:08,142 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 12487 transitions. Word has length 122 [2024-10-24 14:04:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:04:08,143 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 12487 transitions. [2024-10-24 14:04:08,143 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) [2024-10-24 14:04:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 12487 transitions. [2024-10-24 14:04:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 14:04:08,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:04:08,145 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] [2024-10-24 14:04:08,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:04:08,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:04:08,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:04:08,146 INFO L85 PathProgramCache]: Analyzing trace with hash -661998085, now seen corresponding path program 1 times [2024-10-24 14:04:08,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:04:08,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033383358] [2024-10-24 14:04:08,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:08,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:04:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:04:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:04:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:04:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:04:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:04:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:04:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 14:04:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 14:04:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:04:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:04:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:04:08,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:04:08,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033383358] [2024-10-24 14:04:08,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033383358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:04:08,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:04:08,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 14:04:08,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653255671] [2024-10-24 14:04:08,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:04:08,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 14:04:08,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:04:08,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 14:04:08,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:04:08,504 INFO L87 Difference]: Start difference. First operand 8369 states and 12487 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) [2024-10-24 14:04:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:04:16,635 INFO L93 Difference]: Finished difference Result 30639 states and 46591 transitions. [2024-10-24 14:04:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 14:04:16,636 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 [2024-10-24 14:04:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:04:16,774 INFO L225 Difference]: With dead ends: 30639 [2024-10-24 14:04:16,774 INFO L226 Difference]: Without dead ends: 22290 [2024-10-24 14:04:16,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-24 14:04:16,814 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 5019 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 8993 mSolverCounterSat, 4701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 13694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4701 IncrementalHoareTripleChecker+Valid, 8993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:04:16,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 3676 Invalid, 13694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4701 Valid, 8993 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-10-24 14:04:16,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22290 states. [2024-10-24 14:04:17,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22290 to 16731. [2024-10-24 14:04:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16731 states, 10432 states have (on average 1.330329754601227) internal successors, (13878), 10744 states have internal predecessors, (13878), 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) [2024-10-24 14:04:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16731 states to 16731 states and 24949 transitions. [2024-10-24 14:04:18,136 INFO L78 Accepts]: Start accepts. Automaton has 16731 states and 24949 transitions. Word has length 124 [2024-10-24 14:04:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:04:18,137 INFO L471 AbstractCegarLoop]: Abstraction has 16731 states and 24949 transitions. [2024-10-24 14:04:18,137 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) [2024-10-24 14:04:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 16731 states and 24949 transitions. [2024-10-24 14:04:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 14:04:18,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:04:18,140 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] [2024-10-24 14:04:18,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:04:18,140 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:04:18,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:04:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1019869804, now seen corresponding path program 1 times [2024-10-24 14:04:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:04:18,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450617513] [2024-10-24 14:04:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:18,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:04:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:04:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:04:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:04:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:04:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:04:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 14:04:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:04:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 14:04:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 14:04:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 14:04:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:04:18,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:04:18,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450617513] [2024-10-24 14:04:18,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450617513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:04:18,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:04:18,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 14:04:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902894071] [2024-10-24 14:04:18,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:04:18,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 14:04:18,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:04:18,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 14:04:18,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:04:18,521 INFO L87 Difference]: Start difference. First operand 16731 states and 24949 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) [2024-10-24 14:04:29,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:04:29,267 INFO L93 Difference]: Finished difference Result 60252 states and 91506 transitions. [2024-10-24 14:04:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 14:04:29,268 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 [2024-10-24 14:04:29,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:04:29,462 INFO L225 Difference]: With dead ends: 60252 [2024-10-24 14:04:29,463 INFO L226 Difference]: Without dead ends: 43541 [2024-10-24 14:04:29,536 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 [2024-10-24 14:04:29,537 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 5798 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 8076 mSolverCounterSat, 5962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6170 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 14038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5962 IncrementalHoareTripleChecker+Valid, 8076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-24 14:04:29,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6170 Valid, 3349 Invalid, 14038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5962 Valid, 8076 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-10-24 14:04:29,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43541 states. [2024-10-24 14:04:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43541 to 32909. [2024-10-24 14:04:32,302 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) [2024-10-24 14:04:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32909 states to 32909 states and 49011 transitions. [2024-10-24 14:04:32,448 INFO L78 Accepts]: Start accepts. Automaton has 32909 states and 49011 transitions. Word has length 123 [2024-10-24 14:04:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:04:32,449 INFO L471 AbstractCegarLoop]: Abstraction has 32909 states and 49011 transitions. [2024-10-24 14:04:32,450 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) [2024-10-24 14:04:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32909 states and 49011 transitions. [2024-10-24 14:04:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-24 14:04:32,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:04:32,452 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] [2024-10-24 14:04:32,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:04:32,453 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:04:32,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:04:32,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1770434531, now seen corresponding path program 1 times [2024-10-24 14:04:32,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:04:32,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281824269] [2024-10-24 14:04:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:04:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:04:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:04:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:04:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:04:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:04:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:04:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:04:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 14:04:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 14:04:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 14:04:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:04:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-24 14:04:32,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:04:32,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281824269] [2024-10-24 14:04:32,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281824269] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:04:32,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116048630] [2024-10-24 14:04:32,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:32,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:04:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:04:32,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:04:32,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 14:04:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:33,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 14:04:33,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:04:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-24 14:04:33,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:04:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116048630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:04:33,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:04:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-10-24 14:04:33,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140795740] [2024-10-24 14:04:33,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:04:33,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 14:04:33,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:04:33,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 14:04:33,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 14:04:33,547 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) [2024-10-24 14:04:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:04:35,267 INFO L93 Difference]: Finished difference Result 32944 states and 49077 transitions. [2024-10-24 14:04:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 14:04:35,267 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 [2024-10-24 14:04:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:04:35,394 INFO L225 Difference]: With dead ends: 32944 [2024-10-24 14:04:35,394 INFO L226 Difference]: Without dead ends: 32941 [2024-10-24 14:04:35,409 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 [2024-10-24 14:04:35,410 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:04:35,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3575 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 14:04:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2024-10-24 14:04:37,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 32941. [2024-10-24 14:04:37,171 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) [2024-10-24 14:04:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32941 states to 32941 states and 49043 transitions. [2024-10-24 14:04:37,289 INFO L78 Accepts]: Start accepts. Automaton has 32941 states and 49043 transitions. Word has length 134 [2024-10-24 14:04:37,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:04:37,290 INFO L471 AbstractCegarLoop]: Abstraction has 32941 states and 49043 transitions. [2024-10-24 14:04:37,291 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) [2024-10-24 14:04:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32941 states and 49043 transitions. [2024-10-24 14:04:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 14:04:37,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:04:37,293 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] [2024-10-24 14:04:37,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 14:04:37,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:04:37,498 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:04:37,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:04:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1113853502, now seen corresponding path program 1 times [2024-10-24 14:04:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:04:37,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241669262] [2024-10-24 14:04:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:04:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:04:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:04:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:04:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:04:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:04:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:04:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:04:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 14:04:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 14:04:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 14:04:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 14:04:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-24 14:04:37,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:04:37,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241669262] [2024-10-24 14:04:37,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241669262] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:04:37,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192896459] [2024-10-24 14:04:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:37,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:04:37,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:04:37,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:04:37,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 14:04:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:38,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 14:04:38,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:04:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:04:38,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:04:38,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192896459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:04:38,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:04:38,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-10-24 14:04:38,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434004820] [2024-10-24 14:04:38,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:04:38,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:04:38,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:04:38,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:04:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-24 14:04:38,659 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) [2024-10-24 14:04:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:04:42,197 INFO L93 Difference]: Finished difference Result 82407 states and 122613 transitions. [2024-10-24 14:04:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 14:04:42,202 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 [2024-10-24 14:04:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:04:42,428 INFO L225 Difference]: With dead ends: 82407 [2024-10-24 14:04:42,428 INFO L226 Difference]: Without dead ends: 49486 [2024-10-24 14:04:42,550 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 [2024-10-24 14:04:42,552 INFO L432 NwaCegarLoop]: 2231 mSDtfsCounter, 1915 mSDsluCounter, 10682 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 12913 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:04:42,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 12913 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 14:04:42,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49486 states. [2024-10-24 14:04:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49486 to 49191. [2024-10-24 14:04:45,842 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) [2024-10-24 14:04:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49191 states to 49191 states and 73250 transitions. [2024-10-24 14:04:46,059 INFO L78 Accepts]: Start accepts. Automaton has 49191 states and 73250 transitions. Word has length 136 [2024-10-24 14:04:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:04:46,060 INFO L471 AbstractCegarLoop]: Abstraction has 49191 states and 73250 transitions. [2024-10-24 14:04:46,060 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) [2024-10-24 14:04:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 49191 states and 73250 transitions. [2024-10-24 14:04:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 14:04:46,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:04:46,065 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] [2024-10-24 14:04:46,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 14:04:46,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-24 14:04:46,270 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 14:04:46,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:04:46,271 INFO L85 PathProgramCache]: Analyzing trace with hash 314980022, now seen corresponding path program 1 times [2024-10-24 14:04:46,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:04:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501985188] [2024-10-24 14:04:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:04:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 14:04:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 14:04:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:04:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:04:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 14:04:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 14:04:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:04:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:04:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:04:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:04:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:04:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 14:04:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 14:04:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:04:46,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:04:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501985188] [2024-10-24 14:04:46,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501985188] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:04:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340717514] [2024-10-24 14:04:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:04:46,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:04:46,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:04:46,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:04:46,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 14:04:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:04:47,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 14:04:47,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:04:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-24 14:04:48,021 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:04:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340717514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:04:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:04:48,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-10-24 14:04:48,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385219458] [2024-10-24 14:04:48,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:04:48,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:04:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:04:48,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:04:48,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-24 14:04:48,026 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)