./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.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 f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:53:37,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:53:37,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:53:37,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:53:37,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:53:37,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:53:37,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:53:37,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:53:37,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:53:37,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:53:37,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:53:37,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:53:37,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:53:37,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:53:37,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:53:37,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:53:37,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:53:37,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:53:37,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:53:37,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:53:37,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:53:37,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:53:37,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:53:37,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:53:37,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:53:37,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:53:37,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:53:37,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:53:37,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:53:37,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:53:37,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:53:37,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:53:37,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:53:37,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2024-11-19 03:53:37,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:53:37,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:53:37,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:53:37,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:53:37,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:53:37,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-19 03:53:39,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:53:39,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:53:39,491 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--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-19 03:53:39,535 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f010fa721/a94a2ecfb2c7416293cb5b022be5ceee/FLAGf963833dc [2024-11-19 03:53:39,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f010fa721/a94a2ecfb2c7416293cb5b022be5ceee [2024-11-19 03:53:39,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:53:39,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:53:39,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:53:39,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:53:39,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:53:39,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:53:39" (1/1) ... [2024-11-19 03:53:39,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3113408d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:39, skipping insertion in model container [2024-11-19 03:53:39,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:53:39" (1/1) ... [2024-11-19 03:53:39,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:53:40,979 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2024-11-19 03:53:41,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:53:41,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:53:41,176 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"); [5636] [2024-11-19 03:53:41,178 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)); [5643] [2024-11-19 03:53:41,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5651-5652] [2024-11-19 03:53:41,182 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [5779-5780] [2024-11-19 03:53:41,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5785-5787] [2024-11-19 03:53:41,184 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5809-5810] [2024-11-19 03:53:41,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5815-5817] [2024-11-19 03:53:41,186 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5838-5839] [2024-11-19 03:53:41,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5844-5846] [2024-11-19 03:53:41,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2024-11-19 03:53:41,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2024-11-19 03:53:41,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2024-11-19 03:53:41,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2024-11-19 03:53:41,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2024-11-19 03:53:41,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2024-11-19 03:53:41,201 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)); [6137-6138] [2024-11-19 03:53:41,203 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)); [6166-6167] [2024-11-19 03:53:41,215 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/linux/netdevice.h"), "i" (507), "i" (12UL)); [6344-6345] [2024-11-19 03:53:41,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2024-11-19 03:53:41,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2024-11-19 03:53:41,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-11-19 03:53:41,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2024-11-19 03:53:41,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2024-11-19 03:53:41,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:53:41,607 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:53:41,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41 WrapperNode [2024-11-19 03:53:41,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:53:41,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:53:41,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:53:41,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:53:41,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:41,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:41,812 INFO L138 Inliner]: procedures = 277, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 4177 [2024-11-19 03:53:41,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:53:41,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:53:41,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:53:41,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:53:41,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:41,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:41,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,475 INFO L175 MemorySlicer]: Split 706 memory accesses to 17 slices as follows [2, 17, 9, 3, 8, 9, 9, 4, 6, 3, 5, 5, 43, 566, 7, 6, 4]. 80 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 8, 0, 0, 8, 8, 4, 0, 3, 5, 5, 0, 6, 0, 6, 0]. The 368 writes are split as follows [0, 7, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 43, 306, 6, 0, 2]. [2024-11-19 03:53:42,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:53:42,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:53:42,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:53:42,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:53:42,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (1/1) ... [2024-11-19 03:53:42,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:53:42,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:53:42,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:53:42,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:53:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-19 03:53:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:53:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:53:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:53:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-19 03:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-19 03:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:53:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-19 03:53:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-19 03:53:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-19 03:53:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:53:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-19 03:53:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-19 03:53:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-19 03:53:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-11-19 03:53:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-11-19 03:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-11-19 03:53:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-11-19 03:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-19 03:53:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:53:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-19 03:53:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-11-19 03:53:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:53:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-19 03:53:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-19 03:53:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-11-19 03:53:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-11-19 03:53:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:53:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:53:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:53:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2024-11-19 03:53:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-19 03:53:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-19 03:53:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:53:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-19 03:53:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-19 03:53:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-19 03:53:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-19 03:53:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:53:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:53:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2024-11-19 03:53:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-19 03:53:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:53:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:53:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-19 03:53:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-19 03:53:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-11-19 03:53:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-11-19 03:53:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:53:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-19 03:53:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-11-19 03:53:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:53:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-19 03:53:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:53:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:53:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-19 03:53:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-19 03:53:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-19 03:53:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:53:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:53:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-19 03:53:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-19 03:53:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-19 03:53:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-19 03:53:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:53:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:53:43,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:53:43,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:53:43,293 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:53:50,816 INFO L? ?]: Removed 1821 outVars from TransFormulas that were not future-live. [2024-11-19 03:53:50,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:53:50,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:53:50,856 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 03:53:50,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:53:50 BoogieIcfgContainer [2024-11-19 03:53:50,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:53:50,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:53:50,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:53:50,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:53:50,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:53:39" (1/3) ... [2024-11-19 03:53:50,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3099a39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:53:50, skipping insertion in model container [2024-11-19 03:53:50,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:53:41" (2/3) ... [2024-11-19 03:53:50,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3099a39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:53:50, skipping insertion in model container [2024-11-19 03:53:50,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:53:50" (3/3) ... [2024-11-19 03:53:50,864 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-19 03:53:50,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:53:50,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:53:50,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:53:50,989 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;@37763145, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:53:50,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:53:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 1771 states, 1251 states have (on average 1.3525179856115108) internal successors, (1692), 1277 states have internal predecessors, (1692), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 424 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-19 03:53:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-19 03:53:51,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:53:51,034 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:53:51,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:53:51,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:53:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash 433825412, now seen corresponding path program 1 times [2024-11-19 03:53:51,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:53:51,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743108332] [2024-11-19 03:53:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:53:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:53:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 03:53:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:53:55,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743108332] [2024-11-19 03:53:55,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743108332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:53:55,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682047514] [2024-11-19 03:53:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:53:55,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:53:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:53:55,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:53:55,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:53:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:53:59,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:53:59,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:53:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-19 03:53:59,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:53:59,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682047514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:53:59,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:53:59,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:53:59,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175829511] [2024-11-19 03:53:59,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:53:59,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:53:59,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:53:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:53:59,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:53:59,582 INFO L87 Difference]: Start difference. First operand has 1771 states, 1251 states have (on average 1.3525179856115108) internal successors, (1692), 1277 states have internal predecessors, (1692), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 424 states have call predecessors, (429), 429 states have call successors, (429) Second operand has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:53:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:53:59,694 INFO L93 Difference]: Finished difference Result 3537 states and 5213 transitions. [2024-11-19 03:53:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:53:59,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 240 [2024-11-19 03:53:59,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:53:59,722 INFO L225 Difference]: With dead ends: 3537 [2024-11-19 03:53:59,722 INFO L226 Difference]: Without dead ends: 1747 [2024-11-19 03:53:59,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:53:59,736 INFO L432 NwaCegarLoop]: 2527 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:53:59,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:53:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-19 03:53:59,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2024-11-19 03:53:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1236 states have (on average 1.3220064724919094) internal successors, (1634), 1253 states have internal predecessors, (1634), 429 states have call successors, (429), 82 states have call predecessors, (429), 81 states have return successors, (428), 423 states have call predecessors, (428), 428 states have call successors, (428) [2024-11-19 03:53:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2491 transitions. [2024-11-19 03:53:59,857 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2491 transitions. Word has length 240 [2024-11-19 03:53:59,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:53:59,857 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2491 transitions. [2024-11-19 03:53:59,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 03:53:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2491 transitions. [2024-11-19 03:53:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-19 03:53:59,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:53:59,867 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:53:59,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:54:00,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:54:00,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:00,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash 434392860, now seen corresponding path program 1 times [2024-11-19 03:54:00,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:00,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379738484] [2024-11-19 03:54:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-19 03:54:03,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:03,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379738484] [2024-11-19 03:54:03,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379738484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:03,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:03,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:03,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176875375] [2024-11-19 03:54:03,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:03,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:03,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:03,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:03,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:03,668 INFO L87 Difference]: Start difference. First operand 1747 states and 2491 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 03:54:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:04,391 INFO L93 Difference]: Finished difference Result 4595 states and 6526 transitions. [2024-11-19 03:54:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:04,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2024-11-19 03:54:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:04,413 INFO L225 Difference]: With dead ends: 4595 [2024-11-19 03:54:04,414 INFO L226 Difference]: Without dead ends: 2876 [2024-11-19 03:54:04,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:04,425 INFO L432 NwaCegarLoop]: 2575 mSDtfsCounter, 1621 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 4929 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:04,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 4929 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 03:54:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2024-11-19 03:54:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2869. [2024-11-19 03:54:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2062 states have (on average 1.3263821532492726) internal successors, (2735), 2092 states have internal predecessors, (2735), 664 states have call successors, (664), 143 states have call predecessors, (664), 142 states have return successors, (667), 652 states have call predecessors, (667), 663 states have call successors, (667) [2024-11-19 03:54:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4066 transitions. [2024-11-19 03:54:04,562 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 4066 transitions. Word has length 225 [2024-11-19 03:54:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:04,564 INFO L471 AbstractCegarLoop]: Abstraction has 2869 states and 4066 transitions. [2024-11-19 03:54:04,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 03:54:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4066 transitions. [2024-11-19 03:54:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-19 03:54:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:04,572 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:04,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:54:04,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:04,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1652187256, now seen corresponding path program 1 times [2024-11-19 03:54:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430324826] [2024-11-19 03:54:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:04,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-11-19 03:54:08,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:08,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430324826] [2024-11-19 03:54:08,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430324826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:08,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:08,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:08,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323720602] [2024-11-19 03:54:08,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:08,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:08,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:08,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:08,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:08,292 INFO L87 Difference]: Start difference. First operand 2869 states and 4066 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:54:08,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:08,758 INFO L93 Difference]: Finished difference Result 7538 states and 10709 transitions. [2024-11-19 03:54:08,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:08,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 258 [2024-11-19 03:54:08,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:08,787 INFO L225 Difference]: With dead ends: 7538 [2024-11-19 03:54:08,788 INFO L226 Difference]: Without dead ends: 4697 [2024-11-19 03:54:08,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:08,800 INFO L432 NwaCegarLoop]: 3522 mSDtfsCounter, 1989 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:08,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 5924 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:54:08,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2024-11-19 03:54:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4692. [2024-11-19 03:54:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4692 states, 3372 states have (on average 1.3315539739027284) internal successors, (4490), 3424 states have internal predecessors, (4490), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1071 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-19 03:54:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 6675 transitions. [2024-11-19 03:54:08,956 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 6675 transitions. Word has length 258 [2024-11-19 03:54:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:08,957 INFO L471 AbstractCegarLoop]: Abstraction has 4692 states and 6675 transitions. [2024-11-19 03:54:08,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:54:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 6675 transitions. [2024-11-19 03:54:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-19 03:54:08,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:08,965 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:08,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:54:08,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:08,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1411956630, now seen corresponding path program 1 times [2024-11-19 03:54:08,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:08,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86122136] [2024-11-19 03:54:08,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-19 03:54:12,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:12,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86122136] [2024-11-19 03:54:12,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86122136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:12,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:12,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:12,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605654011] [2024-11-19 03:54:12,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:12,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:12,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:12,113 INFO L87 Difference]: Start difference. First operand 4692 states and 6675 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:54:12,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:12,262 INFO L93 Difference]: Finished difference Result 9342 states and 13299 transitions. [2024-11-19 03:54:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:12,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 289 [2024-11-19 03:54:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:12,290 INFO L225 Difference]: With dead ends: 9342 [2024-11-19 03:54:12,290 INFO L226 Difference]: Without dead ends: 4692 [2024-11-19 03:54:12,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:12,307 INFO L432 NwaCegarLoop]: 2489 mSDtfsCounter, 2487 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:12,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 2489 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:54:12,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4692 states. [2024-11-19 03:54:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4692 to 4692. [2024-11-19 03:54:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4692 states, 3372 states have (on average 1.3309608540925266) internal successors, (4488), 3424 states have internal predecessors, (4488), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1071 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-19 03:54:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 6673 transitions. [2024-11-19 03:54:12,480 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 6673 transitions. Word has length 289 [2024-11-19 03:54:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:12,481 INFO L471 AbstractCegarLoop]: Abstraction has 4692 states and 6673 transitions. [2024-11-19 03:54:12,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:54:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 6673 transitions. [2024-11-19 03:54:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-19 03:54:12,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:12,489 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:12,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:54:12,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:12,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:12,490 INFO L85 PathProgramCache]: Analyzing trace with hash -388769932, now seen corresponding path program 1 times [2024-11-19 03:54:12,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:12,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077948554] [2024-11-19 03:54:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:12,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-11-19 03:54:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077948554] [2024-11-19 03:54:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077948554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:16,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:16,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:16,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753168153] [2024-11-19 03:54:16,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:16,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:16,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:16,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:16,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:16,270 INFO L87 Difference]: Start difference. First operand 4692 states and 6673 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-19 03:54:20,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:54:21,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:21,018 INFO L93 Difference]: Finished difference Result 11271 states and 16069 transitions. [2024-11-19 03:54:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:21,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 337 [2024-11-19 03:54:21,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:21,058 INFO L225 Difference]: With dead ends: 11271 [2024-11-19 03:54:21,058 INFO L226 Difference]: Without dead ends: 6621 [2024-11-19 03:54:21,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:21,076 INFO L432 NwaCegarLoop]: 4355 mSDtfsCounter, 2166 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 6599 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:21,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 6599 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 03:54:21,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6621 states. [2024-11-19 03:54:21,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6621 to 6610. [2024-11-19 03:54:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6610 states, 4768 states have (on average 1.3330536912751678) internal successors, (6356), 4842 states have internal predecessors, (6356), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1494 states have call predecessors, (1525), 1521 states have call successors, (1525) [2024-11-19 03:54:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6610 states to 6610 states and 9403 transitions. [2024-11-19 03:54:21,309 INFO L78 Accepts]: Start accepts. Automaton has 6610 states and 9403 transitions. Word has length 337 [2024-11-19 03:54:21,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:21,310 INFO L471 AbstractCegarLoop]: Abstraction has 6610 states and 9403 transitions. [2024-11-19 03:54:21,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-19 03:54:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 6610 states and 9403 transitions. [2024-11-19 03:54:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-19 03:54:21,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:21,325 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:21,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:54:21,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:21,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:21,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1790265878, now seen corresponding path program 1 times [2024-11-19 03:54:21,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:21,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022176435] [2024-11-19 03:54:21,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:21,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2024-11-19 03:54:24,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:24,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022176435] [2024-11-19 03:54:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022176435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:24,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:24,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:24,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652112822] [2024-11-19 03:54:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:24,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:24,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:24,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:24,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:24,625 INFO L87 Difference]: Start difference. First operand 6610 states and 9403 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:54:28,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:54:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:29,446 INFO L93 Difference]: Finished difference Result 15101 states and 21504 transitions. [2024-11-19 03:54:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:29,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 354 [2024-11-19 03:54:29,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:29,512 INFO L225 Difference]: With dead ends: 15101 [2024-11-19 03:54:29,512 INFO L226 Difference]: Without dead ends: 8533 [2024-11-19 03:54:29,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:29,539 INFO L432 NwaCegarLoop]: 3630 mSDtfsCounter, 2107 mSDsluCounter, 2332 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:29,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 5962 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 03:54:29,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8533 states. [2024-11-19 03:54:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8533 to 8528. [2024-11-19 03:54:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8528 states, 6158 states have (on average 1.3330626826891847) internal successors, (8209), 6255 states have internal predecessors, (8209), 1953 states have call successors, (1953), 417 states have call predecessors, (1953), 416 states have return successors, (1956), 1917 states have call predecessors, (1956), 1952 states have call successors, (1956) [2024-11-19 03:54:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8528 states to 8528 states and 12118 transitions. [2024-11-19 03:54:29,851 INFO L78 Accepts]: Start accepts. Automaton has 8528 states and 12118 transitions. Word has length 354 [2024-11-19 03:54:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:29,852 INFO L471 AbstractCegarLoop]: Abstraction has 8528 states and 12118 transitions. [2024-11-19 03:54:29,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:54:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8528 states and 12118 transitions. [2024-11-19 03:54:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-19 03:54:29,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:29,868 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:29,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:54:29,868 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:29,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash 90565677, now seen corresponding path program 1 times [2024-11-19 03:54:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:29,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154615583] [2024-11-19 03:54:29,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:29,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-11-19 03:54:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154615583] [2024-11-19 03:54:33,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154615583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:33,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:33,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:33,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999384503] [2024-11-19 03:54:33,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:33,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:33,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:33,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:33,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:33,544 INFO L87 Difference]: Start difference. First operand 8528 states and 12118 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:33,762 INFO L93 Difference]: Finished difference Result 17016 states and 24189 transitions. [2024-11-19 03:54:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:33,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 390 [2024-11-19 03:54:33,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:33,805 INFO L225 Difference]: With dead ends: 17016 [2024-11-19 03:54:33,805 INFO L226 Difference]: Without dead ends: 8530 [2024-11-19 03:54:33,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:33,831 INFO L432 NwaCegarLoop]: 2489 mSDtfsCounter, 0 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4973 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:33,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4973 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:54:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8530 states. [2024-11-19 03:54:34,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8530 to 8530. [2024-11-19 03:54:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8530 states, 6160 states have (on average 1.3329545454545455) internal successors, (8211), 6257 states have internal predecessors, (8211), 1953 states have call successors, (1953), 417 states have call predecessors, (1953), 416 states have return successors, (1956), 1917 states have call predecessors, (1956), 1952 states have call successors, (1956) [2024-11-19 03:54:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8530 states to 8530 states and 12120 transitions. [2024-11-19 03:54:34,099 INFO L78 Accepts]: Start accepts. Automaton has 8530 states and 12120 transitions. Word has length 390 [2024-11-19 03:54:34,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:34,100 INFO L471 AbstractCegarLoop]: Abstraction has 8530 states and 12120 transitions. [2024-11-19 03:54:34,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 8530 states and 12120 transitions. [2024-11-19 03:54:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-19 03:54:34,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:34,115 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:34,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:54:34,115 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:34,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:34,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1173841148, now seen corresponding path program 1 times [2024-11-19 03:54:34,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:34,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157985523] [2024-11-19 03:54:34,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:34,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-11-19 03:54:37,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:37,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157985523] [2024-11-19 03:54:37,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157985523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:37,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:37,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:37,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735628507] [2024-11-19 03:54:37,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:37,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:37,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:37,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:37,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:37,756 INFO L87 Difference]: Start difference. First operand 8530 states and 12120 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:41,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:54:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:42,614 INFO L93 Difference]: Finished difference Result 19360 states and 27500 transitions. [2024-11-19 03:54:42,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:42,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 389 [2024-11-19 03:54:42,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:42,662 INFO L225 Difference]: With dead ends: 19360 [2024-11-19 03:54:42,662 INFO L226 Difference]: Without dead ends: 10872 [2024-11-19 03:54:42,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:42,687 INFO L432 NwaCegarLoop]: 4159 mSDtfsCounter, 2078 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 6582 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:42,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 6582 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 03:54:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10872 states. [2024-11-19 03:54:42,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10872 to 10867. [2024-11-19 03:54:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10867 states, 7843 states have (on average 1.3303582812699222) internal successors, (10434), 7966 states have internal predecessors, (10434), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2435 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-19 03:54:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10867 states to 10867 states and 15397 transitions. [2024-11-19 03:54:43,002 INFO L78 Accepts]: Start accepts. Automaton has 10867 states and 15397 transitions. Word has length 389 [2024-11-19 03:54:43,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:43,003 INFO L471 AbstractCegarLoop]: Abstraction has 10867 states and 15397 transitions. [2024-11-19 03:54:43,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 10867 states and 15397 transitions. [2024-11-19 03:54:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-19 03:54:43,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:43,021 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:43,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:54:43,022 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:43,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:43,022 INFO L85 PathProgramCache]: Analyzing trace with hash -339092629, now seen corresponding path program 1 times [2024-11-19 03:54:43,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:43,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385293104] [2024-11-19 03:54:43,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-19 03:54:46,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:46,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385293104] [2024-11-19 03:54:46,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385293104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:46,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:54:46,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:54:46,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563311935] [2024-11-19 03:54:46,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:46,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:46,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:46,708 INFO L87 Difference]: Start difference. First operand 10867 states and 15397 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:47,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:47,162 INFO L93 Difference]: Finished difference Result 21804 states and 30973 transitions. [2024-11-19 03:54:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:47,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 390 [2024-11-19 03:54:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:47,212 INFO L225 Difference]: With dead ends: 21804 [2024-11-19 03:54:47,212 INFO L226 Difference]: Without dead ends: 10979 [2024-11-19 03:54:47,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:54:47,242 INFO L432 NwaCegarLoop]: 2485 mSDtfsCounter, 12 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:47,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4960 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:54:47,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10979 states. [2024-11-19 03:54:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10979 to 10881. [2024-11-19 03:54:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10881 states, 7857 states have (on average 1.3297696321751304) internal successors, (10448), 7980 states have internal predecessors, (10448), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2435 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-19 03:54:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10881 states to 10881 states and 15411 transitions. [2024-11-19 03:54:47,569 INFO L78 Accepts]: Start accepts. Automaton has 10881 states and 15411 transitions. Word has length 390 [2024-11-19 03:54:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:47,571 INFO L471 AbstractCegarLoop]: Abstraction has 10881 states and 15411 transitions. [2024-11-19 03:54:47,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:54:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10881 states and 15411 transitions. [2024-11-19 03:54:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2024-11-19 03:54:47,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:47,587 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:47,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:54:47,587 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:47,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:47,587 INFO L85 PathProgramCache]: Analyzing trace with hash -782344245, now seen corresponding path program 1 times [2024-11-19 03:54:47,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:47,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511299916] [2024-11-19 03:54:47,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-19 03:54:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:54:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511299916] [2024-11-19 03:54:51,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511299916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:54:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819193968] [2024-11-19 03:54:51,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:54:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:54:51,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:54:51,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:54:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:54:55,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 3919 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 03:54:55,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:54:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-11-19 03:54:55,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:54:55,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819193968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:54:55,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:54:55,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:54:55,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895524567] [2024-11-19 03:54:55,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:54:55,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:54:55,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:54:55,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:54:55,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:54:55,819 INFO L87 Difference]: Start difference. First operand 10881 states and 15411 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-19 03:54:55,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:54:55,998 INFO L93 Difference]: Finished difference Result 10891 states and 15427 transitions. [2024-11-19 03:54:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:54:55,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 398 [2024-11-19 03:54:55,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:54:56,049 INFO L225 Difference]: With dead ends: 10891 [2024-11-19 03:54:56,049 INFO L226 Difference]: Without dead ends: 10888 [2024-11-19 03:54:56,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:54:56,059 INFO L432 NwaCegarLoop]: 2489 mSDtfsCounter, 0 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4973 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:54:56,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4973 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:54:56,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10888 states. [2024-11-19 03:54:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10888 to 10888. [2024-11-19 03:54:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10888 states, 7864 states have (on average 1.329476093591048) internal successors, (10455), 7987 states have internal predecessors, (10455), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2435 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-19 03:54:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10888 states to 10888 states and 15418 transitions. [2024-11-19 03:54:56,488 INFO L78 Accepts]: Start accepts. Automaton has 10888 states and 15418 transitions. Word has length 398 [2024-11-19 03:54:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:54:56,489 INFO L471 AbstractCegarLoop]: Abstraction has 10888 states and 15418 transitions. [2024-11-19 03:54:56,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-19 03:54:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 10888 states and 15418 transitions. [2024-11-19 03:54:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-19 03:54:56,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:54:56,507 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:54:56,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:54:56,707 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,SelfDestructingSolverStorable9 [2024-11-19 03:54:56,709 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:54:56,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:54:56,710 INFO L85 PathProgramCache]: Analyzing trace with hash -737075728, now seen corresponding path program 1 times [2024-11-19 03:54:56,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:54:56,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562729446] [2024-11-19 03:54:56,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:54:56,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:54:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:55:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-19 03:55:00,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:55:00,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562729446] [2024-11-19 03:55:00,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562729446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:55:00,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826468241] [2024-11-19 03:55:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:55:00,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:55:00,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:55:00,128 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) [2024-11-19 03:55:00,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process