./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 03:17:07,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:07,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:17:07,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:07,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:07,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:07,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:07,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:07,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:07,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:07,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:07,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:07,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:07,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:07,756 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:07,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:07,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:07,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:07,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:07,758 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:07,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:07,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:07,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:07,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:07,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:07,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:07,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:07,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:07,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:07,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:07,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:07,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:07,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:07,761 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:17:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:08,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:08,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:08,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:08,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:08,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:17:11,592 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/f7939a5e0/501a02a81f0545cb92cbcf8d68d007f5/FLAG84f69856f [2024-11-28 03:17:12,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:12,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:17:12,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/f7939a5e0/501a02a81f0545cb92cbcf8d68d007f5/FLAG84f69856f [2024-11-28 03:17:12,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/f7939a5e0/501a02a81f0545cb92cbcf8d68d007f5 [2024-11-28 03:17:12,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:12,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:12,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:12,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:12,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:12,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:12" (1/1) ... [2024-11-28 03:17:12,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d2f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:12, skipping insertion in model container [2024-11-28 03:17:12,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:12" (1/1) ... [2024-11-28 03:17:12,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:14,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/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] [2024-11-28 03:17:15,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:15,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:15,297 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] [2024-11-28 03:17:15,300 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] [2024-11-28 03:17:15,301 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] [2024-11-28 03:17:15,311 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] [2024-11-28 03:17:15,313 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] [2024-11-28 03:17:15,314 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] [2024-11-28 03:17:15,315 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] [2024-11-28 03:17:15,318 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] [2024-11-28 03:17:15,319 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] [2024-11-28 03:17:15,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2024-11-28 03:17:15,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2024-11-28 03:17:15,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2024-11-28 03:17:15,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2024-11-28 03:17:15,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2024-11-28 03:17:15,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2024-11-28 03:17:15,349 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] [2024-11-28 03:17:15,352 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] [2024-11-28 03:17:15,365 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] [2024-11-28 03:17:15,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2024-11-28 03:17:15,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2024-11-28 03:17:15,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-11-28 03:17:15,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2024-11-28 03:17:15,636 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/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] [2024-11-28 03:17:15,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:15,872 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:15,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15 WrapperNode [2024-11-28 03:17:15,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:15,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:15,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:15,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:15,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:15,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:16,227 INFO L138 Inliner]: procedures = 277, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 4126 [2024-11-28 03:17:16,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:16,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:16,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:16,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:16,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:16,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:16,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,094 INFO L175 MemorySlicer]: Split 706 memory accesses to 17 slices as follows [2, 8, 9, 9, 4, 9, 3, 5, 6, 5, 43, 7, 17, 3, 6, 4, 566]. 80 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 8, 8, 4, 8, 3, 5, 0, 5, 0, 0, 0, 0, 6, 0, 6]. The 368 writes are split as follows [0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 43, 6, 7, 0, 0, 2, 306]. [2024-11-28 03:17:17,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:17,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:17,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:17,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:17,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:17,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:17,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-28 03:17:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:17:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:17:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:17:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 03:17:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:17:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-11-28 03:17:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-11-28 03:17:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:17:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:17:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 03:17:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 03:17:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 03:17:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 03:17:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 03:17:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 03:17:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-11-28 03:17:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-11-28 03:17:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:17:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:17:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 03:17:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 03:17:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-28 03:17:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-28 03:17:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 03:17:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:17:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:17:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:17:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:17:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:17:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:17:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:17:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 03:17:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 03:17:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-28 03:17:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-28 03:17:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 03:17:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 03:17:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-11-28 03:17:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-11-28 03:17:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:17:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-11-28 03:17:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 03:17:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 03:17:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:17:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:17:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 03:17:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-11-28 03:17:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:17:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:17:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-11-28 03:17:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-11-28 03:17:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:17:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:17:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:17:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2024-11-28 03:17:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-28 03:17:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:17:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:17:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:17:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:17:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:17:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 03:17:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 03:17:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-28 03:17:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:17:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 03:17:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2024-11-28 03:17:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 03:17:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:17:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:17:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 03:17:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-11-28 03:17:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 03:17:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 03:17:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:17:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:17:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2024-11-28 03:17:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2024-11-28 03:17:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-11-28 03:17:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-11-28 03:17:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:17:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:17:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:17:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-28 03:17:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-28 03:17:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-11-28 03:17:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-11-28 03:17:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 03:17:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:17:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:17:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 03:17:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-11-28 03:17:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-28 03:17:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-28 03:17:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-11-28 03:17:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 03:17:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 03:17:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:17:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:17:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:17:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:17:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:17:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-28 03:17:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-28 03:17:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-28 03:17:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-28 03:17:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:18,539 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:18,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:18,591 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:17:28,859 INFO L? ?]: Removed 1811 outVars from TransFormulas that were not future-live. [2024-11-28 03:17:28,859 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:28,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:28,936 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:17:28,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:28 BoogieIcfgContainer [2024-11-28 03:17:28,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:28,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:28,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:28,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:28,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:12" (1/3) ... [2024-11-28 03:17:28,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47feea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:28, skipping insertion in model container [2024-11-28 03:17:28,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15" (2/3) ... [2024-11-28 03:17:28,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47feea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:28, skipping insertion in model container [2024-11-28 03:17:28,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:28" (3/3) ... [2024-11-28 03:17:28,951 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:17:28,970 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:28,973 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i that has 84 procedures, 1765 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-28 03:17:29,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:29,142 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;@4dd4f1de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:29,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:17:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 1764 states, 1244 states have (on average 1.3545016077170418) internal successors, (1685), 1274 states have internal predecessors, (1685), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-28 03:17:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-28 03:17:29,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:29,214 INFO L218 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] [2024-11-28 03:17:29,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:29,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:29,221 INFO L85 PathProgramCache]: Analyzing trace with hash 394258315, now seen corresponding path program 1 times [2024-11-28 03:17:29,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:29,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433776711] [2024-11-28 03:17:29,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-28 03:17:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433776711] [2024-11-28 03:17:36,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433776711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:36,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055359568] [2024-11-28 03:17:36,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:36,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:36,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:36,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:17:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:42,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 3239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:17:42,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-28 03:17:42,178 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:42,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055359568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:42,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:42,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:17:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670160167] [2024-11-28 03:17:42,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:42,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:17:42,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:42,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:17:42,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:42,214 INFO L87 Difference]: Start difference. First operand has 1764 states, 1244 states have (on average 1.3545016077170418) internal successors, (1685), 1274 states have internal predecessors, (1685), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) Second operand has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 03:17:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:42,443 INFO L93 Difference]: Finished difference Result 3523 states and 5199 transitions. [2024-11-28 03:17:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:17:42,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 258 [2024-11-28 03:17:42,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:42,486 INFO L225 Difference]: With dead ends: 3523 [2024-11-28 03:17:42,487 INFO L226 Difference]: Without dead ends: 1740 [2024-11-28 03:17:42,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:42,514 INFO L435 NwaCegarLoop]: 2520 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, 2520 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 [2024-11-28 03:17:42,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:17:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-11-28 03:17:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1740. [2024-11-28 03:17:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1229 states have (on average 1.3238405207485762) internal successors, (1627), 1250 states have internal predecessors, (1627), 429 states have call successors, (429), 82 states have call predecessors, (429), 81 states have return successors, (428), 422 states have call predecessors, (428), 428 states have call successors, (428) [2024-11-28 03:17:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2484 transitions. [2024-11-28 03:17:42,766 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2484 transitions. Word has length 258 [2024-11-28 03:17:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:42,768 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2484 transitions. [2024-11-28 03:17:42,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 03:17:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2484 transitions. [2024-11-28 03:17:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-28 03:17:42,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:42,790 INFO L218 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, 1] [2024-11-28 03:17:42,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:17:42,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:42,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:42,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:42,996 INFO L85 PathProgramCache]: Analyzing trace with hash 442706725, now seen corresponding path program 1 times [2024-11-28 03:17:42,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:42,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813388635] [2024-11-28 03:17:42,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-11-28 03:17:47,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813388635] [2024-11-28 03:17:47,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813388635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:47,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:47,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:47,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346915212] [2024-11-28 03:17:47,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:47,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:47,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:47,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:47,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:47,567 INFO L87 Difference]: Start difference. First operand 1740 states and 2484 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2024-11-28 03:17:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:48,218 INFO L93 Difference]: Finished difference Result 4819 states and 6886 transitions. [2024-11-28 03:17:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:48,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 259 [2024-11-28 03:17:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:48,254 INFO L225 Difference]: With dead ends: 4819 [2024-11-28 03:17:48,254 INFO L226 Difference]: Without dead ends: 3107 [2024-11-28 03:17:48,266 INFO L434 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 [2024-11-28 03:17:48,267 INFO L435 NwaCegarLoop]: 2608 mSDtfsCounter, 1985 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:48,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 5003 Invalid, 53 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:17:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2024-11-28 03:17:48,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3103. [2024-11-28 03:17:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 2187 states have (on average 1.325560128029264) internal successors, (2899), 2224 states have internal predecessors, (2899), 769 states have call successors, (769), 147 states have call predecessors, (769), 146 states have return successors, (768), 757 states have call predecessors, (768), 768 states have call successors, (768) [2024-11-28 03:17:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4436 transitions. [2024-11-28 03:17:48,500 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4436 transitions. Word has length 259 [2024-11-28 03:17:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:48,502 INFO L471 AbstractCegarLoop]: Abstraction has 3103 states and 4436 transitions. [2024-11-28 03:17:48,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2024-11-28 03:17:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4436 transitions. [2024-11-28 03:17:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-28 03:17:48,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:48,522 INFO L218 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] [2024-11-28 03:17:48,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:17:48,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:48,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:48,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1180441199, now seen corresponding path program 1 times [2024-11-28 03:17:48,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:48,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326208709] [2024-11-28 03:17:48,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:48,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-28 03:17:53,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:53,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326208709] [2024-11-28 03:17:53,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326208709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:53,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:53,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:53,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259277493] [2024-11-28 03:17:53,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:53,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:53,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:53,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:53,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:53,540 INFO L87 Difference]: Start difference. First operand 3103 states and 4436 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) [2024-11-28 03:17:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:54,547 INFO L93 Difference]: Finished difference Result 7749 states and 11056 transitions. [2024-11-28 03:17:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:54,548 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 [2024-11-28 03:17:54,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:54,598 INFO L225 Difference]: With dead ends: 7749 [2024-11-28 03:17:54,598 INFO L226 Difference]: Without dead ends: 4684 [2024-11-28 03:17:54,619 INFO L434 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 [2024-11-28 03:17:54,620 INFO L435 NwaCegarLoop]: 2685 mSDtfsCounter, 1618 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 5032 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:54,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 5032 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:17:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2024-11-28 03:17:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4677. [2024-11-28 03:17:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4677 states, 3357 states have (on average 1.3330354483169498) internal successors, (4475), 3415 states have internal predecessors, (4475), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1069 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-28 03:17:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4677 states and 6660 transitions. [2024-11-28 03:17:54,926 INFO L78 Accepts]: Start accepts. Automaton has 4677 states and 6660 transitions. Word has length 225 [2024-11-28 03:17:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:54,927 INFO L471 AbstractCegarLoop]: Abstraction has 4677 states and 6660 transitions. [2024-11-28 03:17:54,927 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) [2024-11-28 03:17:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 4677 states and 6660 transitions. [2024-11-28 03:17:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-28 03:17:54,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:54,939 INFO L218 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] [2024-11-28 03:17:54,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:17:54,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:54,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1404259899, now seen corresponding path program 1 times [2024-11-28 03:17:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:54,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169014953] [2024-11-28 03:17:54,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-28 03:17:59,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:59,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169014953] [2024-11-28 03:17:59,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169014953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:59,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:59,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:59,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401873402] [2024-11-28 03:17:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:59,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:59,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:59,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:59,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:59,295 INFO L87 Difference]: Start difference. First operand 4677 states and 6660 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-28 03:17:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:59,636 INFO L93 Difference]: Finished difference Result 9312 states and 13269 transitions. [2024-11-28 03:17:59,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:59,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 287 [2024-11-28 03:17:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:59,685 INFO L225 Difference]: With dead ends: 9312 [2024-11-28 03:17:59,686 INFO L226 Difference]: Without dead ends: 4677 [2024-11-28 03:17:59,710 INFO L434 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 [2024-11-28 03:17:59,712 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 2480 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:59,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 2482 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:17:59,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4677 states. [2024-11-28 03:17:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4677 to 4677. [2024-11-28 03:18:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4677 states, 3357 states have (on average 1.3324396782841823) internal successors, (4473), 3415 states have internal predecessors, (4473), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1069 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-28 03:18:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4677 states and 6658 transitions. [2024-11-28 03:18:00,051 INFO L78 Accepts]: Start accepts. Automaton has 4677 states and 6658 transitions. Word has length 287 [2024-11-28 03:18:00,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:00,053 INFO L471 AbstractCegarLoop]: Abstraction has 4677 states and 6658 transitions. [2024-11-28 03:18:00,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-28 03:18:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4677 states and 6658 transitions. [2024-11-28 03:18:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-28 03:18:00,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:00,069 INFO L218 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, 1] [2024-11-28 03:18:00,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:18:00,069 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:00,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1627354585, now seen corresponding path program 1 times [2024-11-28 03:18:00,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:00,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107835632] [2024-11-28 03:18:00,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:00,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-11-28 03:18:05,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107835632] [2024-11-28 03:18:05,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107835632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:05,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:05,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:05,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926736893] [2024-11-28 03:18:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:05,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:05,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:05,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:05,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:05,251 INFO L87 Difference]: Start difference. First operand 4677 states and 6658 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2024-11-28 03:18:09,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:18:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:10,238 INFO L93 Difference]: Finished difference Result 11236 states and 16034 transitions. [2024-11-28 03:18:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:10,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 338 [2024-11-28 03:18:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:10,314 INFO L225 Difference]: With dead ends: 11236 [2024-11-28 03:18:10,314 INFO L226 Difference]: Without dead ends: 6601 [2024-11-28 03:18:10,342 INFO L434 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 [2024-11-28 03:18:10,344 INFO L435 NwaCegarLoop]: 4272 mSDtfsCounter, 2158 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 6512 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 [2024-11-28 03:18:10,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 6512 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 03:18:10,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6601 states. [2024-11-28 03:18:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6601 to 6590. [2024-11-28 03:18:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6590 states, 4748 states have (on average 1.3344566133108677) internal successors, (6336), 4829 states have internal predecessors, (6336), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1492 states have call predecessors, (1525), 1521 states have call successors, (1525) [2024-11-28 03:18:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9383 transitions. [2024-11-28 03:18:10,771 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9383 transitions. Word has length 338 [2024-11-28 03:18:10,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:10,774 INFO L471 AbstractCegarLoop]: Abstraction has 6590 states and 9383 transitions. [2024-11-28 03:18:10,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2024-11-28 03:18:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9383 transitions. [2024-11-28 03:18:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-28 03:18:10,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:10,802 INFO L218 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, 1] [2024-11-28 03:18:10,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:18:10,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:10,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:10,803 INFO L85 PathProgramCache]: Analyzing trace with hash -412284579, now seen corresponding path program 1 times [2024-11-28 03:18:10,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:10,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702299569] [2024-11-28 03:18:10,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2024-11-28 03:18:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702299569] [2024-11-28 03:18:16,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702299569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:16,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:16,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:16,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881727492] [2024-11-28 03:18:16,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:16,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:16,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:16,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:16,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:16,735 INFO L87 Difference]: Start difference. First operand 6590 states and 9383 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-28 03:18:20,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:18:21,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:21,993 INFO L93 Difference]: Finished difference Result 15056 states and 21459 transitions. [2024-11-28 03:18:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 355 [2024-11-28 03:18:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:22,102 INFO L225 Difference]: With dead ends: 15056 [2024-11-28 03:18:22,102 INFO L226 Difference]: Without dead ends: 8508 [2024-11-28 03:18:22,145 INFO L434 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 [2024-11-28 03:18:22,147 INFO L435 NwaCegarLoop]: 3611 mSDtfsCounter, 2102 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 5936 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 [2024-11-28 03:18:22,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 5936 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 03:18:22,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2024-11-28 03:18:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8503. [2024-11-28 03:18:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8503 states, 6133 states have (on average 1.3344203489320072) internal successors, (8184), 6238 states have internal predecessors, (8184), 1953 states have call successors, (1953), 417 states have call predecessors, (1953), 416 states have return successors, (1956), 1915 states have call predecessors, (1956), 1952 states have call successors, (1956) [2024-11-28 03:18:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8503 states to 8503 states and 12093 transitions. [2024-11-28 03:18:22,831 INFO L78 Accepts]: Start accepts. Automaton has 8503 states and 12093 transitions. Word has length 355 [2024-11-28 03:18:22,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:22,832 INFO L471 AbstractCegarLoop]: Abstraction has 8503 states and 12093 transitions. [2024-11-28 03:18:22,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-28 03:18:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 8503 states and 12093 transitions. [2024-11-28 03:18:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-28 03:18:22,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:22,856 INFO L218 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] [2024-11-28 03:18:22,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:18:22,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:22,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1626158658, now seen corresponding path program 1 times [2024-11-28 03:18:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:22,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20053174] [2024-11-28 03:18:22,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-11-28 03:18:27,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:27,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20053174] [2024-11-28 03:18:27,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20053174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:27,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:27,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:27,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499752837] [2024-11-28 03:18:27,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:27,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:27,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:27,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:27,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:27,525 INFO L87 Difference]: Start difference. First operand 8503 states and 12093 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) [2024-11-28 03:18:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:27,924 INFO L93 Difference]: Finished difference Result 16966 states and 24139 transitions. [2024-11-28 03:18:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:27,925 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 [2024-11-28 03:18:27,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:27,990 INFO L225 Difference]: With dead ends: 16966 [2024-11-28 03:18:27,991 INFO L226 Difference]: Without dead ends: 8505 [2024-11-28 03:18:28,022 INFO L434 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 [2024-11-28 03:18:28,023 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 0 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:28,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4959 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:18:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8505 states. [2024-11-28 03:18:28,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8505 to 8505. [2024-11-28 03:18:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8505 states, 6135 states have (on average 1.3343113284433579) internal successors, (8186), 6240 states have internal predecessors, (8186), 1953 states have call successors, (1953), 417 states have call predecessors, (1953), 416 states have return successors, (1956), 1915 states have call predecessors, (1956), 1952 states have call successors, (1956) [2024-11-28 03:18:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8505 states to 8505 states and 12095 transitions. [2024-11-28 03:18:28,494 INFO L78 Accepts]: Start accepts. Automaton has 8505 states and 12095 transitions. Word has length 389 [2024-11-28 03:18:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:28,495 INFO L471 AbstractCegarLoop]: Abstraction has 8505 states and 12095 transitions. [2024-11-28 03:18:28,495 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) [2024-11-28 03:18:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8505 states and 12095 transitions. [2024-11-28 03:18:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-28 03:18:28,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:28,523 INFO L218 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] [2024-11-28 03:18:28,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:18:28,524 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:28,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:28,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1810611082, now seen corresponding path program 1 times [2024-11-28 03:18:28,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:28,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949673640] [2024-11-28 03:18:28,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:28,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-11-28 03:18:33,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949673640] [2024-11-28 03:18:33,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949673640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:33,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:33,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614138451] [2024-11-28 03:18:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:33,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:33,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:33,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:33,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:33,024 INFO L87 Difference]: Start difference. First operand 8505 states and 12095 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), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:18:37,061 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 [] [2024-11-28 03:18:38,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:38,192 INFO L93 Difference]: Finished difference Result 19304 states and 27444 transitions. [2024-11-28 03:18:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:38,192 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), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 391 [2024-11-28 03:18:38,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:38,276 INFO L225 Difference]: With dead ends: 19304 [2024-11-28 03:18:38,276 INFO L226 Difference]: Without dead ends: 10841 [2024-11-28 03:18:38,312 INFO L434 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 [2024-11-28 03:18:38,313 INFO L435 NwaCegarLoop]: 4159 mSDtfsCounter, 2073 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:38,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 6575 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 03:18:38,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10841 states. [2024-11-28 03:18:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10841 to 10836. [2024-11-28 03:18:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10836 states, 7812 states have (on average 1.3316692268305172) internal successors, (10403), 7944 states have internal predecessors, (10403), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2433 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-28 03:18:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10836 states to 10836 states and 15366 transitions. [2024-11-28 03:18:38,912 INFO L78 Accepts]: Start accepts. Automaton has 10836 states and 15366 transitions. Word has length 391 [2024-11-28 03:18:38,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:38,913 INFO L471 AbstractCegarLoop]: Abstraction has 10836 states and 15366 transitions. [2024-11-28 03:18:38,913 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), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:18:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 10836 states and 15366 transitions. [2024-11-28 03:18:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-28 03:18:38,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:38,946 INFO L218 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] [2024-11-28 03:18:38,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:18:38,946 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:38,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:38,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2064524308, now seen corresponding path program 1 times [2024-11-28 03:18:38,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:38,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939650765] [2024-11-28 03:18:38,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 03:18:44,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:44,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939650765] [2024-11-28 03:18:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939650765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846849758] [2024-11-28 03:18:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:44,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:44,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:44,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:44,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:18:44,114 INFO L87 Difference]: Start difference. First operand 10836 states and 15366 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) [2024-11-28 03:18:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:44,992 INFO L93 Difference]: Finished difference Result 21742 states and 30911 transitions. [2024-11-28 03:18:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:44,993 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 [2024-11-28 03:18:44,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:45,077 INFO L225 Difference]: With dead ends: 21742 [2024-11-28 03:18:45,078 INFO L226 Difference]: Without dead ends: 10948 [2024-11-28 03:18:45,127 INFO L434 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 [2024-11-28 03:18:45,128 INFO L435 NwaCegarLoop]: 2478 mSDtfsCounter, 12 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4946 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 [2024-11-28 03:18:45,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4946 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:18:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10948 states. [2024-11-28 03:18:45,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10948 to 10850. [2024-11-28 03:18:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 7826 states have (on average 1.3310759008433426) internal successors, (10417), 7958 states have internal predecessors, (10417), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2433 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-28 03:18:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 15380 transitions. [2024-11-28 03:18:45,736 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 15380 transitions. Word has length 390 [2024-11-28 03:18:45,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:45,738 INFO L471 AbstractCegarLoop]: Abstraction has 10850 states and 15380 transitions. [2024-11-28 03:18:45,739 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) [2024-11-28 03:18:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 15380 transitions. [2024-11-28 03:18:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2024-11-28 03:18:45,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:45,769 INFO L218 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] [2024-11-28 03:18:45,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:18:45,769 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:45,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash 508267380, now seen corresponding path program 1 times [2024-11-28 03:18:45,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952888744] [2024-11-28 03:18:45,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-28 03:18:50,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:50,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952888744] [2024-11-28 03:18:50,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952888744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:18:50,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960566050] [2024-11-28 03:18:50,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:50,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:50,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:50,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:50,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:18:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:56,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:18:56,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-11-28 03:18:56,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:18:56,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960566050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:56,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:18:56,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:18:56,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469121916] [2024-11-28 03:18:56,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:56,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:18:56,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:56,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:18:56,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:56,315 INFO L87 Difference]: Start difference. First operand 10850 states and 15380 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) [2024-11-28 03:18:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:56,783 INFO L93 Difference]: Finished difference Result 10860 states and 15396 transitions. [2024-11-28 03:18:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:18:56,784 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 [2024-11-28 03:18:56,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:56,875 INFO L225 Difference]: With dead ends: 10860 [2024-11-28 03:18:56,875 INFO L226 Difference]: Without dead ends: 10857 [2024-11-28 03:18:56,885 INFO L434 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 [2024-11-28 03:18:56,887 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 0 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4959 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 [2024-11-28 03:18:56,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4959 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:18:56,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10857 states. [2024-11-28 03:18:57,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10857 to 10857. [2024-11-28 03:18:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10857 states, 7833 states have (on average 1.3307800331929018) internal successors, (10424), 7965 states have internal predecessors, (10424), 2480 states have call successors, (2480), 544 states have call predecessors, (2480), 543 states have return successors, (2483), 2433 states have call predecessors, (2483), 2479 states have call successors, (2483) [2024-11-28 03:18:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10857 states to 10857 states and 15387 transitions. [2024-11-28 03:18:57,753 INFO L78 Accepts]: Start accepts. Automaton has 10857 states and 15387 transitions. Word has length 398 [2024-11-28 03:18:57,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:57,755 INFO L471 AbstractCegarLoop]: Abstraction has 10857 states and 15387 transitions. [2024-11-28 03:18:57,756 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) [2024-11-28 03:18:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 10857 states and 15387 transitions. [2024-11-28 03:18:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-28 03:18:57,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:57,799 INFO L218 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] [2024-11-28 03:18:57,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:18:58,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:58,001 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:18:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:58,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1704704871, now seen corresponding path program 1 times [2024-11-28 03:18:58,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:58,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155531025] [2024-11-28 03:18:58,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-28 03:19:02,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155531025] [2024-11-28 03:19:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155531025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759841732] [2024-11-28 03:19:02,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:02,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:02,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:02,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:02,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:19:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:08,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 3916 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:19:08,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-28 03:19:08,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-28 03:19:10,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759841732] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:10,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:19:10,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:19:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797813867] [2024-11-28 03:19:10,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:10,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:19:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:10,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:19:10,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:19:10,666 INFO L87 Difference]: Start difference. First operand 10857 states and 15387 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:19:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:11,577 INFO L93 Difference]: Finished difference Result 22008 states and 31289 transitions. [2024-11-28 03:19:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:11,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 400 [2024-11-28 03:19:11,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:11,657 INFO L225 Difference]: With dead ends: 22008 [2024-11-28 03:19:11,658 INFO L226 Difference]: Without dead ends: 11193 [2024-11-28 03:19:11,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:19:11,703 INFO L435 NwaCegarLoop]: 2477 mSDtfsCounter, 59 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 9872 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:11,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 9872 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:19:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11193 states. [2024-11-28 03:19:12,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11193 to 11193. [2024-11-28 03:19:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11193 states, 8085 states have (on average 1.3256648113790972) internal successors, (10718), 8217 states have internal predecessors, (10718), 2564 states have call successors, (2564), 544 states have call predecessors, (2564), 543 states have return successors, (2567), 2517 states have call predecessors, (2567), 2563 states have call successors, (2567) [2024-11-28 03:19:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11193 states to 11193 states and 15849 transitions. [2024-11-28 03:19:12,260 INFO L78 Accepts]: Start accepts. Automaton has 11193 states and 15849 transitions. Word has length 400 [2024-11-28 03:19:12,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:12,262 INFO L471 AbstractCegarLoop]: Abstraction has 11193 states and 15849 transitions. [2024-11-28 03:19:12,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:19:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11193 states and 15849 transitions. [2024-11-28 03:19:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-28 03:19:12,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:12,283 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 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, 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] [2024-11-28 03:19:12,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:19:12,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:12,484 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:12,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1612899221, now seen corresponding path program 1 times [2024-11-28 03:19:12,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:12,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865427455] [2024-11-28 03:19:12,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2024-11-28 03:19:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865427455] [2024-11-28 03:19:19,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865427455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:19,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111604708] [2024-11-28 03:19:19,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:19,308 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:19,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:19:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:25,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:19:25,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-28 03:19:25,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:25,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111604708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:25,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:25,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-28 03:19:25,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116704722] [2024-11-28 03:19:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:19:25,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:19:25,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:19:25,707 INFO L87 Difference]: Start difference. First operand 11193 states and 15849 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-28 03:19:29,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:19:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:30,904 INFO L93 Difference]: Finished difference Result 24582 states and 34808 transitions. [2024-11-28 03:19:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:19:30,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 406 [2024-11-28 03:19:30,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:30,985 INFO L225 Difference]: With dead ends: 24582 [2024-11-28 03:19:30,985 INFO L226 Difference]: Without dead ends: 13431 [2024-11-28 03:19:31,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:19:31,025 INFO L435 NwaCegarLoop]: 4582 mSDtfsCounter, 2181 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 16177 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:31,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 16177 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 03:19:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2024-11-28 03:19:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 11195. [2024-11-28 03:19:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11195 states, 8087 states have (on average 1.3254606158031408) internal successors, (10719), 8219 states have internal predecessors, (10719), 2564 states have call successors, (2564), 544 states have call predecessors, (2564), 543 states have return successors, (2567), 2517 states have call predecessors, (2567), 2563 states have call successors, (2567) [2024-11-28 03:19:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11195 states to 11195 states and 15850 transitions. [2024-11-28 03:19:31,633 INFO L78 Accepts]: Start accepts. Automaton has 11195 states and 15850 transitions. Word has length 406 [2024-11-28 03:19:31,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:31,634 INFO L471 AbstractCegarLoop]: Abstraction has 11195 states and 15850 transitions. [2024-11-28 03:19:31,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-28 03:19:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 11195 states and 15850 transitions. [2024-11-28 03:19:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-28 03:19:31,662 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:31,662 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:31,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:31,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:31,863 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:31,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash 948466390, now seen corresponding path program 1 times [2024-11-28 03:19:31,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95158922] [2024-11-28 03:19:31,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-11-28 03:19:37,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95158922] [2024-11-28 03:19:37,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95158922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:37,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:37,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:19:37,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130854327] [2024-11-28 03:19:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:37,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:37,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:37,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:37,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:37,020 INFO L87 Difference]: Start difference. First operand 11195 states and 15850 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 03:19:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:37,340 INFO L93 Difference]: Finished difference Result 22354 states and 31657 transitions. [2024-11-28 03:19:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 441 [2024-11-28 03:19:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:37,420 INFO L225 Difference]: With dead ends: 22354 [2024-11-28 03:19:37,420 INFO L226 Difference]: Without dead ends: 11201 [2024-11-28 03:19:37,462 INFO L434 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 [2024-11-28 03:19:37,462 INFO L435 NwaCegarLoop]: 2480 mSDtfsCounter, 2 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:37,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4956 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:37,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11201 states. [2024-11-28 03:19:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11201 to 11197. [2024-11-28 03:19:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11197 states, 8089 states have (on average 1.325380145877117) internal successors, (10721), 8221 states have internal predecessors, (10721), 2564 states have call successors, (2564), 544 states have call predecessors, (2564), 543 states have return successors, (2567), 2517 states have call predecessors, (2567), 2563 states have call successors, (2567) [2024-11-28 03:19:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11197 states to 11197 states and 15852 transitions. [2024-11-28 03:19:37,983 INFO L78 Accepts]: Start accepts. Automaton has 11197 states and 15852 transitions. Word has length 441 [2024-11-28 03:19:37,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:37,984 INFO L471 AbstractCegarLoop]: Abstraction has 11197 states and 15852 transitions. [2024-11-28 03:19:37,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 03:19:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 11197 states and 15852 transitions. [2024-11-28 03:19:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2024-11-28 03:19:38,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:38,010 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:38,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:19:38,011 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:38,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash -866318286, now seen corresponding path program 1 times [2024-11-28 03:19:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:38,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440133461] [2024-11-28 03:19:38,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-11-28 03:19:43,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440133461] [2024-11-28 03:19:43,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440133461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:43,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743186539] [2024-11-28 03:19:43,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:43,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:43,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:19:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:49,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 4577 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:19:49,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-28 03:19:49,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:49,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743186539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:49,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:49,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:19:49,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14721087] [2024-11-28 03:19:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:49,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:49,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:49,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:50,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:50,000 INFO L87 Difference]: Start difference. First operand 11197 states and 15852 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:19:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:50,486 INFO L93 Difference]: Finished difference Result 22376 states and 31691 transitions. [2024-11-28 03:19:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:50,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 446 [2024-11-28 03:19:50,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:50,565 INFO L225 Difference]: With dead ends: 22376 [2024-11-28 03:19:50,565 INFO L226 Difference]: Without dead ends: 11221 [2024-11-28 03:19:50,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:50,611 INFO L435 NwaCegarLoop]: 2480 mSDtfsCounter, 12 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4956 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:50,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4956 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:19:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11221 states. [2024-11-28 03:19:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11221 to 11199. [2024-11-28 03:19:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11199 states, 8091 states have (on average 1.3252997157335311) internal successors, (10723), 8223 states have internal predecessors, (10723), 2564 states have call successors, (2564), 544 states have call predecessors, (2564), 543 states have return successors, (2567), 2517 states have call predecessors, (2567), 2563 states have call successors, (2567) [2024-11-28 03:19:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11199 states to 11199 states and 15854 transitions. [2024-11-28 03:19:51,187 INFO L78 Accepts]: Start accepts. Automaton has 11199 states and 15854 transitions. Word has length 446 [2024-11-28 03:19:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 11199 states and 15854 transitions. [2024-11-28 03:19:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 03:19:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 11199 states and 15854 transitions. [2024-11-28 03:19:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-28 03:19:51,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:51,217 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:51,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:19:51,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:51,419 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:51,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:51,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1334969106, now seen corresponding path program 1 times [2024-11-28 03:19:51,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:51,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798204551] [2024-11-28 03:19:51,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-28 03:19:57,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:57,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798204551] [2024-11-28 03:19:57,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798204551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728936126] [2024-11-28 03:19:57,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:57,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:57,883 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:57,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:20:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:05,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 4713 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:20:05,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-11-28 03:20:06,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:06,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728936126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:06,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:20:06,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:20:06,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157848141] [2024-11-28 03:20:06,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:06,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:20:06,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:06,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:20:06,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:06,906 INFO L87 Difference]: Start difference. First operand 11199 states and 15854 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 03:20:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:08,446 INFO L93 Difference]: Finished difference Result 28410 states and 40211 transitions. [2024-11-28 03:20:08,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:20:08,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 479 [2024-11-28 03:20:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:08,586 INFO L225 Difference]: With dead ends: 28410 [2024-11-28 03:20:08,587 INFO L226 Difference]: Without dead ends: 17253 [2024-11-28 03:20:08,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:08,645 INFO L435 NwaCegarLoop]: 2523 mSDtfsCounter, 2013 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 4811 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:08,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 4811 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:20:08,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17253 states. [2024-11-28 03:20:09,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17253 to 17238. [2024-11-28 03:20:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17238 states, 12542 states have (on average 1.320921703077659) internal successors, (16567), 12738 states have internal predecessors, (16567), 3860 states have call successors, (3860), 836 states have call predecessors, (3860), 835 states have return successors, (3867), 3785 states have call predecessors, (3867), 3859 states have call successors, (3867) [2024-11-28 03:20:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17238 states to 17238 states and 24294 transitions. [2024-11-28 03:20:09,573 INFO L78 Accepts]: Start accepts. Automaton has 17238 states and 24294 transitions. Word has length 479 [2024-11-28 03:20:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:09,574 INFO L471 AbstractCegarLoop]: Abstraction has 17238 states and 24294 transitions. [2024-11-28 03:20:09,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-28 03:20:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17238 states and 24294 transitions. [2024-11-28 03:20:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-11-28 03:20:09,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:09,614 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:09,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:20:09,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:09,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:09,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:09,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1271764419, now seen corresponding path program 1 times [2024-11-28 03:20:09,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:09,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90036635] [2024-11-28 03:20:09,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:09,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-28 03:20:15,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:15,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90036635] [2024-11-28 03:20:15,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90036635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:15,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159025648] [2024-11-28 03:20:15,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:15,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:15,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:15,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:15,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:20:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:23,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:20:23,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2024-11-28 03:20:23,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-28 03:20:26,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159025648] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:20:26,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:20:26,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:20:26,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331927488] [2024-11-28 03:20:26,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:26,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:20:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:26,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:20:26,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:20:26,744 INFO L87 Difference]: Start difference. First operand 17238 states and 24294 transitions. Second operand has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-11-28 03:20:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:27,691 INFO L93 Difference]: Finished difference Result 34461 states and 48573 transitions. [2024-11-28 03:20:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:20:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 478 [2024-11-28 03:20:27,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:27,810 INFO L225 Difference]: With dead ends: 34461 [2024-11-28 03:20:27,810 INFO L226 Difference]: Without dead ends: 17265 [2024-11-28 03:20:27,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:20:27,877 INFO L435 NwaCegarLoop]: 2480 mSDtfsCounter, 4 mSDsluCounter, 7428 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9908 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:27,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9908 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:20:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17265 states. [2024-11-28 03:20:28,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17265 to 17265. [2024-11-28 03:20:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 12569 states have (on average 1.3202323176068105) internal successors, (16594), 12765 states have internal predecessors, (16594), 3860 states have call successors, (3860), 836 states have call predecessors, (3860), 835 states have return successors, (3867), 3785 states have call predecessors, (3867), 3859 states have call successors, (3867) [2024-11-28 03:20:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 24321 transitions. [2024-11-28 03:20:28,756 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 24321 transitions. Word has length 478 [2024-11-28 03:20:28,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:28,757 INFO L471 AbstractCegarLoop]: Abstraction has 17265 states and 24321 transitions. [2024-11-28 03:20:28,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-11-28 03:20:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 24321 transitions. [2024-11-28 03:20:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-11-28 03:20:28,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:28,797 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:28,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:20:28,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:20:28,998 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:28,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1312175417, now seen corresponding path program 2 times [2024-11-28 03:20:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:29,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220938281] [2024-11-28 03:20:29,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:20:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:34,152 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:20:34,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:20:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-11-28 03:20:34,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:34,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220938281] [2024-11-28 03:20:34,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220938281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:34,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:34,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458287956] [2024-11-28 03:20:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:34,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:34,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:34,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:34,743 INFO L87 Difference]: Start difference. First operand 17265 states and 24321 transitions. Second operand has 5 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-28 03:20:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:35,307 INFO L93 Difference]: Finished difference Result 34512 states and 48699 transitions. [2024-11-28 03:20:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 487 [2024-11-28 03:20:35,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:35,427 INFO L225 Difference]: With dead ends: 34512 [2024-11-28 03:20:35,428 INFO L226 Difference]: Without dead ends: 17289 [2024-11-28 03:20:35,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:20:35,497 INFO L435 NwaCegarLoop]: 2476 mSDtfsCounter, 18 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 9891 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:35,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 9891 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:20:35,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2024-11-28 03:20:36,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17265. [2024-11-28 03:20:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17265 states, 12569 states have (on average 1.318322857824807) internal successors, (16570), 12765 states have internal predecessors, (16570), 3860 states have call successors, (3860), 836 states have call predecessors, (3860), 835 states have return successors, (3867), 3785 states have call predecessors, (3867), 3859 states have call successors, (3867) [2024-11-28 03:20:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 24297 transitions. [2024-11-28 03:20:36,255 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 24297 transitions. Word has length 487 [2024-11-28 03:20:36,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:36,256 INFO L471 AbstractCegarLoop]: Abstraction has 17265 states and 24297 transitions. [2024-11-28 03:20:36,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-28 03:20:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 24297 transitions. [2024-11-28 03:20:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-11-28 03:20:36,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:36,289 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:36,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:20:36,289 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:36,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:36,290 INFO L85 PathProgramCache]: Analyzing trace with hash -972597974, now seen corresponding path program 1 times [2024-11-28 03:20:36,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:36,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882932005] [2024-11-28 03:20:36,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2024-11-28 03:20:40,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:40,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882932005] [2024-11-28 03:20:40,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882932005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:40,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:40,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:40,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619515217] [2024-11-28 03:20:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:40,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:40,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:40,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:40,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:40,822 INFO L87 Difference]: Start difference. First operand 17265 states and 24297 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-28 03:20:41,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:41,352 INFO L93 Difference]: Finished difference Result 34520 states and 48593 transitions. [2024-11-28 03:20:41,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:41,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 489 [2024-11-28 03:20:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:41,453 INFO L225 Difference]: With dead ends: 34520 [2024-11-28 03:20:41,453 INFO L226 Difference]: Without dead ends: 17297 [2024-11-28 03:20:41,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:41,522 INFO L435 NwaCegarLoop]: 2479 mSDtfsCounter, 0 mSDsluCounter, 7430 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9909 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:41,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9909 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:20:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17297 states. [2024-11-28 03:20:42,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17297 to 17277. [2024-11-28 03:20:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17277 states, 12578 states have (on average 1.3180950866592462) internal successors, (16579), 12774 states have internal predecessors, (16579), 3860 states have call successors, (3860), 836 states have call predecessors, (3860), 838 states have return successors, (3877), 3788 states have call predecessors, (3877), 3859 states have call successors, (3877) [2024-11-28 03:20:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 24316 transitions. [2024-11-28 03:20:42,334 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 24316 transitions. Word has length 489 [2024-11-28 03:20:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:42,335 INFO L471 AbstractCegarLoop]: Abstraction has 17277 states and 24316 transitions. [2024-11-28 03:20:42,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-28 03:20:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 24316 transitions. [2024-11-28 03:20:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-11-28 03:20:42,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:42,367 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:42,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:20:42,368 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:42,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:42,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1285382396, now seen corresponding path program 1 times [2024-11-28 03:20:42,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:42,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307556230] [2024-11-28 03:20:42,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2024-11-28 03:20:47,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307556230] [2024-11-28 03:20:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307556230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:20:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165005384] [2024-11-28 03:20:47,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:47,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:47,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:47,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:20:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:54,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 4816 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:20:54,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 192 proven. 22 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2024-11-28 03:20:54,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:20:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-28 03:20:57,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165005384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:20:57,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:20:57,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 10 [2024-11-28 03:20:57,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163195830] [2024-11-28 03:20:57,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:20:57,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:20:57,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:57,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:20:57,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:20:57,638 INFO L87 Difference]: Start difference. First operand 17277 states and 24316 transitions. Second operand has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 3 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2024-11-28 03:20:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:20:58,324 INFO L93 Difference]: Finished difference Result 34611 states and 48737 transitions. [2024-11-28 03:20:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:20:58,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 3 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 490 [2024-11-28 03:20:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:20:58,445 INFO L225 Difference]: With dead ends: 34611 [2024-11-28 03:20:58,446 INFO L226 Difference]: Without dead ends: 17376 [2024-11-28 03:20:58,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 970 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:20:58,515 INFO L435 NwaCegarLoop]: 2475 mSDtfsCounter, 32 mSDsluCounter, 4953 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 7428 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:20:58,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 7428 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:20:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17376 states. [2024-11-28 03:20:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17376 to 17325. [2024-11-28 03:20:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17325 states, 12620 states have (on average 1.317511885895404) internal successors, (16627), 12813 states have internal predecessors, (16627), 3866 states have call successors, (3866), 836 states have call predecessors, (3866), 838 states have return successors, (3889), 3797 states have call predecessors, (3889), 3865 states have call successors, (3889) [2024-11-28 03:20:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17325 states to 17325 states and 24382 transitions. [2024-11-28 03:20:59,266 INFO L78 Accepts]: Start accepts. Automaton has 17325 states and 24382 transitions. Word has length 490 [2024-11-28 03:20:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:20:59,267 INFO L471 AbstractCegarLoop]: Abstraction has 17325 states and 24382 transitions. [2024-11-28 03:20:59,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.7) internal successors, (277), 10 states have internal predecessors, (277), 3 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2024-11-28 03:20:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 17325 states and 24382 transitions. [2024-11-28 03:20:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-11-28 03:20:59,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:20:59,290 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:59,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:20:59,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:59,490 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:20:59,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1977984085, now seen corresponding path program 1 times [2024-11-28 03:20:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:59,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494255052] [2024-11-28 03:20:59,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2024-11-28 03:21:04,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:04,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494255052] [2024-11-28 03:21:04,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494255052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:04,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904964139] [2024-11-28 03:21:04,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:04,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:04,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:04,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:04,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:21:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:12,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 5027 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:21:12,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2024-11-28 03:21:12,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:21:12,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904964139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:12,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:21:12,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-28 03:21:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985742885] [2024-11-28 03:21:12,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:12,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:12,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:12,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:12,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:12,163 INFO L87 Difference]: Start difference. First operand 17325 states and 24382 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:21:12,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:12,614 INFO L93 Difference]: Finished difference Result 34608 states and 48862 transitions. [2024-11-28 03:21:12,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:12,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 527 [2024-11-28 03:21:12,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:12,698 INFO L225 Difference]: With dead ends: 34608 [2024-11-28 03:21:12,699 INFO L226 Difference]: Without dead ends: 17325 [2024-11-28 03:21:12,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:12,750 INFO L435 NwaCegarLoop]: 2477 mSDtfsCounter, 2 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4950 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:12,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4950 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17325 states. [2024-11-28 03:21:13,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17325 to 17325. [2024-11-28 03:21:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17325 states, 12620 states have (on average 1.3164817749603803) internal successors, (16614), 12813 states have internal predecessors, (16614), 3866 states have call successors, (3866), 836 states have call predecessors, (3866), 838 states have return successors, (3889), 3797 states have call predecessors, (3889), 3865 states have call successors, (3889) [2024-11-28 03:21:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17325 states to 17325 states and 24369 transitions. [2024-11-28 03:21:13,276 INFO L78 Accepts]: Start accepts. Automaton has 17325 states and 24369 transitions. Word has length 527 [2024-11-28 03:21:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:13,276 INFO L471 AbstractCegarLoop]: Abstraction has 17325 states and 24369 transitions. [2024-11-28 03:21:13,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:21:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 17325 states and 24369 transitions. [2024-11-28 03:21:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-11-28 03:21:13,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:13,298 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:13,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:21:13,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:13,499 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:13,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:13,499 INFO L85 PathProgramCache]: Analyzing trace with hash 615947407, now seen corresponding path program 1 times [2024-11-28 03:21:13,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:13,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320569515] [2024-11-28 03:21:13,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:13,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2024-11-28 03:21:18,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320569515] [2024-11-28 03:21:18,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320569515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:18,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:18,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:18,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224221492] [2024-11-28 03:21:18,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:18,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:18,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:18,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:18,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:18,335 INFO L87 Difference]: Start difference. First operand 17325 states and 24369 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:21:18,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:18,765 INFO L93 Difference]: Finished difference Result 34611 states and 48693 transitions. [2024-11-28 03:21:18,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:18,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 529 [2024-11-28 03:21:18,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:18,856 INFO L225 Difference]: With dead ends: 34611 [2024-11-28 03:21:18,856 INFO L226 Difference]: Without dead ends: 17328 [2024-11-28 03:21:18,908 INFO L434 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 [2024-11-28 03:21:18,908 INFO L435 NwaCegarLoop]: 2479 mSDtfsCounter, 0 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:18,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4952 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2024-11-28 03:21:19,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 17328. [2024-11-28 03:21:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17328 states, 12623 states have (on average 1.3164065594549632) internal successors, (16617), 12816 states have internal predecessors, (16617), 3866 states have call successors, (3866), 836 states have call predecessors, (3866), 838 states have return successors, (3889), 3797 states have call predecessors, (3889), 3865 states have call successors, (3889) [2024-11-28 03:21:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17328 states to 17328 states and 24372 transitions. [2024-11-28 03:21:19,568 INFO L78 Accepts]: Start accepts. Automaton has 17328 states and 24372 transitions. Word has length 529 [2024-11-28 03:21:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:19,568 INFO L471 AbstractCegarLoop]: Abstraction has 17328 states and 24372 transitions. [2024-11-28 03:21:19,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:21:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 17328 states and 24372 transitions. [2024-11-28 03:21:19,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2024-11-28 03:21:19,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:19,592 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:19,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:21:19,593 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:21:19,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1739773446, now seen corresponding path program 1 times [2024-11-28 03:21:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:19,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865575262] [2024-11-28 03:21:19,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:19,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2024-11-28 03:21:26,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865575262] [2024-11-28 03:21:26,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865575262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:26,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171204898] [2024-11-28 03:21:26,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:26,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:26,491 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:26,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:21:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:34,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 5034 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-28 03:21:34,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:34,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 03:21:34,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-28 03:21:36,739 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-28 03:21:36,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:21:36,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-28 03:21:37,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2024-11-28 03:21:53,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:21:53,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2024-11-28 03:21:54,283 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-11-28 03:21:54,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:21:54,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-11-28 03:21:54,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-28 03:21:54,467 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-28 03:21:54,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:21:55,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:21:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:21:55,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2024-11-28 03:21:55,405 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-11-28 03:21:55,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2024-11-28 03:21:59,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-28 03:21:59,685 WARN L873 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= |c_#memory_int#16| (store |c_old(#memory_int#16)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0)))) is different from true [2024-11-28 03:21:59,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-28 03:22:00,002 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((as const (Array Int Int)) 0))) (and (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= |c_#memory_int#16| (store |c_old(#memory_int#16)| |#Ultimate.meminit_#ptr.base| .cse0))) (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= .cse0 (select |c_#memory_int#16| |#Ultimate.meminit_#ptr.base|))))) is different from true [2024-11-28 03:22:00,138 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-11-28 03:22:00,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2024-11-28 03:22:04,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-28 03:22:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 502 proven. 42 refuted. 0 times theorem prover too weak. 603 trivial. 21 not checked. [2024-11-28 03:22:04,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:22:08,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171204898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:08,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:22:08,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 24] total 28 [2024-11-28 03:22:08,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550396699] [2024-11-28 03:22:08,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:22:08,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 03:22:08,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:08,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 03:22:08,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=716, Unknown=5, NotChecked=110, Total=930 [2024-11-28 03:22:08,021 INFO L87 Difference]: Start difference. First operand 17328 states and 24372 transitions. Second operand has 28 states, 25 states have (on average 12.56) internal successors, (314), 23 states have internal predecessors, (314), 12 states have call successors, (88), 7 states have call predecessors, (88), 12 states have return successors, (84), 12 states have call predecessors, (84), 12 states have call successors, (84) [2024-11-28 03:22:12,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:22:16,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:20,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:22:24,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:28,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:22:32,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:36,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:40,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:22:44,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:48,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:22:52,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:22:56,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:23:00,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:23:04,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:08,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:23:13,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:17,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:21,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:30,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:35,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:39,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:47,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:51,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:23:56,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:24:01,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:24:07,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:24:11,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:24:18,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-28 03:24:18,164 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-28 03:24:18,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 826 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 35.2s TimeCoverageRelationStatistics Valid=335, Invalid=2218, Unknown=5, NotChecked=198, Total=2756 [2024-11-28 03:24:18,168 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 803 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 238 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 1156 IncrementalHoareTripleChecker+Unchecked, 120.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:18,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 3039 Invalid, 3143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [238 Valid, 1724 Invalid, 24 Unknown, 1156 Unchecked, 120.1s Time] [2024-11-28 03:24:18,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:18,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 03:24:18,370 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:388) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:447) at java.base/java.io.OutputStream.write(OutputStream.java:167) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:125) at java.base/java.io.BufferedOutputStream.implFlush(BufferedOutputStream.java:252) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:246) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:412) at java.base/sun.nio.cs.StreamEncoder.lockedFlush(StreamEncoder.java:214) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:201) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:262) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:372) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-28 03:24:18,375 INFO L158 Benchmark]: Toolchain (without parser) took 425966.20ms. Allocated memory was 117.4MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 81.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-28 03:24:18,375 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:18,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3461.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 80.8MB in the beginning and 128.1MB in the end (delta: -47.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-11-28 03:24:18,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 353.54ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 103.1MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:24:18,376 INFO L158 Benchmark]: Boogie Preprocessor took 1153.08ms. Allocated memory is still 234.9MB. Free memory was 103.1MB in the beginning and 109.2MB in the end (delta: -6.1MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-11-28 03:24:18,376 INFO L158 Benchmark]: RCFGBuilder took 11554.56ms. Allocated memory was 234.9MB in the beginning and 377.5MB in the end (delta: 142.6MB). Free memory was 109.2MB in the beginning and 247.8MB in the end (delta: -138.6MB). Peak memory consumption was 217.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:18,376 INFO L158 Benchmark]: TraceAbstraction took 409433.76ms. Allocated memory was 377.5MB in the beginning and 4.2GB in the end (delta: 3.9GB). Free memory was 247.8MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-28 03:24:18,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3461.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 80.8MB in the beginning and 128.1MB in the end (delta: -47.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 353.54ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 103.1MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1153.08ms. Allocated memory is still 234.9MB. Free memory was 103.1MB in the beginning and 109.2MB in the end (delta: -6.1MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * RCFGBuilder took 11554.56ms. Allocated memory was 234.9MB in the beginning and 377.5MB in the end (delta: 142.6MB). Free memory was 109.2MB in the beginning and 247.8MB in the end (delta: -138.6MB). Peak memory consumption was 217.4MB. Max. memory is 16.1GB. * TraceAbstraction took 409433.76ms. Allocated memory was 377.5MB in the beginning and 4.2GB in the end (delta: 3.9GB). Free memory was 247.8MB in the beginning and 2.6GB in the end (delta: -2.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5636]: 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] - GenericResultAtLocation [Line: 5643]: 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] - GenericResultAtLocation [Line: 5651]: 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] - GenericResultAtLocation [Line: 5779]: 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] - GenericResultAtLocation [Line: 5785]: 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] - GenericResultAtLocation [Line: 5809]: 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] - GenericResultAtLocation [Line: 5815]: 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] - GenericResultAtLocation [Line: 5838]: 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] - GenericResultAtLocation [Line: 5844]: 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] - GenericResultAtLocation [Line: 5931]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] - GenericResultAtLocation [Line: 5939]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] - GenericResultAtLocation [Line: 5947]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] - GenericResultAtLocation [Line: 5954]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] - GenericResultAtLocation [Line: 5961]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] - GenericResultAtLocation [Line: 5968]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] - GenericResultAtLocation [Line: 6137]: 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] - GenericResultAtLocation [Line: 6166]: 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] - GenericResultAtLocation [Line: 6344]: 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] - GenericResultAtLocation [Line: 6350]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] - GenericResultAtLocation [Line: 6769]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] - GenericResultAtLocation [Line: 7146]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] - GenericResultAtLocation [Line: 7659]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 03:24:21,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:24:21,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 03:24:21,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:24:21,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:24:21,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:24:21,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:24:21,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:24:21,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:24:21,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:24:21,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:24:21,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:24:21,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:24:21,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:24:21,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:24:21,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:21,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:21,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:21,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:24:21,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:24:21,961 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:24:21,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:24:21,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:24:21,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:24:21,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:24:21,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:24:21,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:24:22,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:24:22,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:24:22,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:24:22,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:24:22,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:24:22,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:24:26,055 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e56f654/9f535b55a109444cb50f7b3c954267bb/FLAG5b7fa3802 [2024-11-28 03:24:26,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:24:26,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:24:26,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e56f654/9f535b55a109444cb50f7b3c954267bb/FLAG5b7fa3802 [2024-11-28 03:24:26,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d1e56f654/9f535b55a109444cb50f7b3c954267bb [2024-11-28 03:24:26,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:24:26,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:24:26,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:26,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:24:26,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:24:26,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:26,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d36eac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26, skipping insertion in model container [2024-11-28 03:24:26,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:26" (1/1) ... [2024-11-28 03:24:27,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:24:28,307 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,584 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,730 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,731 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,733 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,733 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,740 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,741 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,742 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,742 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,749 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,757 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,765 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,777 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,794 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,804 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,807 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,808 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,814 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,826 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,830 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,840 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,846 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,849 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,850 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,851 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,852 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,853 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,854 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,855 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,856 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,856 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,862 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,863 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,864 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,865 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,866 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,868 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,869 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,869 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,870 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,871 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,871 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,876 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,876 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,877 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,877 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,878 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,878 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,878 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,879 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,879 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,879 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,883 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,886 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,886 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,887 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,905 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,906 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,907 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,908 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,908 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,909 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,909 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,910 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,910 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,910 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,911 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,911 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,911 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,912 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,912 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,913 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,913 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,913 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,914 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,914 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,915 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,915 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,915 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,916 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,916 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,917 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,917 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,919 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,919 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,920 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,920 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,921 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,921 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,935 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,936 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,936 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,936 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,949 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,950 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,956 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,958 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,964 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,988 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,993 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,994 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,994 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:28,995 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,001 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,002 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,013 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,014 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,015 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,021 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,041 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,055 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,056 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,057 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,059 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,066 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,076 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,081 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,082 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,086 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,087 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,089 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,100 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,103 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,105 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,106 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,111 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,112 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,113 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,113 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,113 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,114 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,114 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,115 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,115 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,117 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,123 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,124 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,124 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,127 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,128 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,129 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,130 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,130 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,133 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,134 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,134 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,140 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,152 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,153 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,158 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,164 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,169 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,174 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,180 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,185 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,193 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,200 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,201 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,201 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,201 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,202 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,208 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,209 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,215 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,215 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,216 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,221 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,221 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,226 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,232 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,233 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,264 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,265 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,276 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,281 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,286 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,294 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,308 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,310 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,314 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,316 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,324 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,379 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,382 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,382 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,383 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,383 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,390 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,390 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,391 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,391 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,391 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,392 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,392 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,393 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,422 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,423 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,424 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,424 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,425 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,426 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,446 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/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] [2024-11-28 03:24:29,532 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 03:24:29,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:29,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:24:29,881 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] [2024-11-28 03:24:29,884 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] [2024-11-28 03:24:29,885 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] [2024-11-28 03:24:29,896 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] [2024-11-28 03:24:29,900 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] [2024-11-28 03:24:29,901 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] [2024-11-28 03:24:29,902 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] [2024-11-28 03:24:29,906 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] [2024-11-28 03:24:29,907 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] [2024-11-28 03:24:29,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2024-11-28 03:24:29,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2024-11-28 03:24:29,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2024-11-28 03:24:29,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2024-11-28 03:24:29,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2024-11-28 03:24:29,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2024-11-28 03:24:29,984 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] [2024-11-28 03:24:29,990 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] [2024-11-28 03:24:30,005 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] [2024-11-28 03:24:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2024-11-28 03:24:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2024-11-28 03:24:30,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-11-28 03:24:30,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2024-11-28 03:24:30,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/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] [2024-11-28 03:24:30,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:30,622 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:24:30,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30 WrapperNode [2024-11-28 03:24:30,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:30,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:30,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:24:30,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:24:30,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:30,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:30,999 INFO L138 Inliner]: procedures = 290, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 3515 [2024-11-28 03:24:31,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:31,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:24:31,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:24:31,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:24:31,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:31,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:31,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:31,933 INFO L175 MemorySlicer]: Split 706 memory accesses to 17 slices as follows [2, 17, 9, 9, 4, 9, 3, 4, 5, 5, 43, 7, 6, 566, 3, 6, 8]. 80 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 8, 8, 4, 8, 3, 0, 5, 5, 0, 0, 0, 6, 0, 6, 0]. The 368 writes are split as follows [0, 7, 0, 0, 0, 0, 0, 2, 0, 0, 43, 6, 2, 306, 0, 0, 2]. [2024-11-28 03:24:31,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:31,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:24:32,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:24:32,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:24:32,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:24:32,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2024-11-28 03:24:32,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:32,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:32,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:32,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:24:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:24:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:24:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 03:24:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2024-11-28 03:24:32,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-28 03:24:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#14 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#15 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#16 [2024-11-28 03:24:32,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-11-28 03:24:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-11-28 03:24:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:24:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 03:24:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:24:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 03:24:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:24:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:24:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 03:24:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 03:24:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:24:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-11-28 03:24:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:24:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 03:24:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 03:24:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 03:24:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-11-28 03:24:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-11-28 03:24:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:24:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:24:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:24:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:24:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 03:24:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 03:24:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 03:24:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 03:24:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-28 03:24:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-28 03:24:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:24:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-28 03:24:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-28 03:24:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 03:24:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 03:24:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:24:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 03:24:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-28 03:24:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 03:24:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-28 03:24:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-11-28 03:24:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-28 03:24:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:24:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-11-28 03:24:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:24:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 03:24:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:24:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:24:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-11-28 03:24:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 03:24:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:24:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 03:24:32,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 03:24:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 03:24:32,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 03:24:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2024-11-28 03:24:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2024-11-28 03:24:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 03:24:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 03:24:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:24:32,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:24:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 03:24:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 03:24:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 03:24:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 03:24:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-28 03:24:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-28 03:24:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#13 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#14 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#15 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#16 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#13 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#14 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#15 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#16 [2024-11-28 03:24:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-11-28 03:24:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#13 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#14 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#15 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#16 [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 03:24:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 03:24:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:24:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:24:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2024-11-28 03:24:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-11-28 03:24:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:24:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-28 03:24:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-11-28 03:24:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 03:24:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 03:24:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:24:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:24:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#13 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#14 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#15 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#16 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-28 03:24:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#13 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#14 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#15 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#16 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 03:24:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-28 03:24:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-28 03:24:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-28 03:24:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-28 03:24:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-28 03:24:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#13 [2024-11-28 03:24:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#14 [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#15 [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#16 [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-11-28 03:24:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2024-11-28 03:24:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-28 03:24:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-11-28 03:24:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-11-28 03:24:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 03:24:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 03:24:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#13 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#14 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#15 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#16 [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-28 03:24:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-28 03:24:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-28 03:24:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:24:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:24:33,847 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:24:33,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:24:54,357 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:25:08,773 INFO L? ?]: Removed 1668 outVars from TransFormulas that were not future-live. [2024-11-28 03:25:08,773 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:25:08,842 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:25:08,842 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:25:08,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:08 BoogieIcfgContainer [2024-11-28 03:25:08,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:25:08,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:25:08,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:25:08,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:25:08,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:24:26" (1/3) ... [2024-11-28 03:25:08,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d21c709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:25:08, skipping insertion in model container [2024-11-28 03:25:08,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (2/3) ... [2024-11-28 03:25:08,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d21c709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:25:08, skipping insertion in model container [2024-11-28 03:25:08,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:08" (3/3) ... [2024-11-28 03:25:08,856 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-11-28 03:25:08,879 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:25:08,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i that has 84 procedures, 1521 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-28 03:25:09,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:25:09,047 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;@333d4fff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:25:09,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:25:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 1520 states, 1000 states have (on average 1.301) internal successors, (1301), 1033 states have internal predecessors, (1301), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-28 03:25:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 03:25:09,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:09,147 INFO L218 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] [2024-11-28 03:25:09,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:09,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:09,156 INFO L85 PathProgramCache]: Analyzing trace with hash 608438669, now seen corresponding path program 1 times [2024-11-28 03:25:09,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:25:09,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678514931] [2024-11-28 03:25:09,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:09,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:09,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:09,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:09,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:25:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:15,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:25:15,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:15,409 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-28 03:25:15,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:15,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:15,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678514931] [2024-11-28 03:25:15,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678514931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:15,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:15,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:25:15,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815263224] [2024-11-28 03:25:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:15,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:25:15,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:25:15,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:25:15,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:15,455 INFO L87 Difference]: Start difference. First operand has 1520 states, 1000 states have (on average 1.301) internal successors, (1301), 1033 states have internal predecessors, (1301), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:25:16,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:16,874 INFO L93 Difference]: Finished difference Result 4002 states and 5727 transitions. [2024-11-28 03:25:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:25:16,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 220 [2024-11-28 03:25:16,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:16,927 INFO L225 Difference]: With dead ends: 4002 [2024-11-28 03:25:16,928 INFO L226 Difference]: Without dead ends: 2446 [2024-11-28 03:25:16,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:16,951 INFO L435 NwaCegarLoop]: 2226 mSDtfsCounter, 1384 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:16,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 4249 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:25:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-11-28 03:25:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2439. [2024-11-28 03:25:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 1632 states have (on average 1.289828431372549) internal successors, (2105), 1672 states have internal predecessors, (2105), 664 states have call successors, (664), 143 states have call predecessors, (664), 142 states have return successors, (667), 650 states have call predecessors, (667), 663 states have call successors, (667) [2024-11-28 03:25:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3436 transitions. [2024-11-28 03:25:17,324 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3436 transitions. Word has length 220 [2024-11-28 03:25:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:17,326 INFO L471 AbstractCegarLoop]: Abstraction has 2439 states and 3436 transitions. [2024-11-28 03:25:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:25:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3436 transitions. [2024-11-28 03:25:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-28 03:25:17,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:17,348 INFO L218 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] [2024-11-28 03:25:17,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:25:17,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:17,551 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:17,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1048865670, now seen corresponding path program 1 times [2024-11-28 03:25:17,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:25:17,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701420036] [2024-11-28 03:25:17,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:17,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:17,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:17,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:17,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:25:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:22,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:25:22,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-11-28 03:25:22,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:22,664 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701420036] [2024-11-28 03:25:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701420036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:22,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:22,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:25:22,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136148621] [2024-11-28 03:25:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:22,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:25:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:25:22,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:25:22,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:22,671 INFO L87 Difference]: Start difference. First operand 2439 states and 3436 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-28 03:25:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:23,688 INFO L93 Difference]: Finished difference Result 6410 states and 9052 transitions. [2024-11-28 03:25:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:25:23,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 252 [2024-11-28 03:25:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:23,725 INFO L225 Difference]: With dead ends: 6410 [2024-11-28 03:25:23,726 INFO L226 Difference]: Without dead ends: 3999 [2024-11-28 03:25:23,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:23,741 INFO L435 NwaCegarLoop]: 3050 mSDtfsCounter, 1686 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 5085 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:23,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1686 Valid, 5085 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:25:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3999 states. [2024-11-28 03:25:24,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3999 to 3994. [2024-11-28 03:25:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2674 states have (on average 1.2950635751682873) internal successors, (3463), 2740 states have internal predecessors, (3463), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1069 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-28 03:25:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5648 transitions. [2024-11-28 03:25:24,169 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5648 transitions. Word has length 252 [2024-11-28 03:25:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:24,171 INFO L471 AbstractCegarLoop]: Abstraction has 3994 states and 5648 transitions. [2024-11-28 03:25:24,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-28 03:25:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5648 transitions. [2024-11-28 03:25:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-28 03:25:24,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:24,188 INFO L218 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] [2024-11-28 03:25:24,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:25:24,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:24,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:24,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:24,393 INFO L85 PathProgramCache]: Analyzing trace with hash -411706955, now seen corresponding path program 1 times [2024-11-28 03:25:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:25:24,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81929561] [2024-11-28 03:25:24,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:24,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:24,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:24,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:24,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:25:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:29,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:25:29,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-28 03:25:29,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:29,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:29,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81929561] [2024-11-28 03:25:29,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81929561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:29,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:29,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:25:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747027810] [2024-11-28 03:25:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:29,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:25:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:25:29,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:25:29,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:29,438 INFO L87 Difference]: Start difference. First operand 3994 states and 5648 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:25:29,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:29,888 INFO L93 Difference]: Finished difference Result 7946 states and 11245 transitions. [2024-11-28 03:25:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:25:29,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 282 [2024-11-28 03:25:29,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:29,928 INFO L225 Difference]: With dead ends: 7946 [2024-11-28 03:25:29,928 INFO L226 Difference]: Without dead ends: 3994 [2024-11-28 03:25:29,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:29,954 INFO L435 NwaCegarLoop]: 2122 mSDtfsCounter, 2120 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:29,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 2122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:25:29,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2024-11-28 03:25:30,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3994. [2024-11-28 03:25:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2674 states have (on average 1.294315632011967) internal successors, (3461), 2740 states have internal predecessors, (3461), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1069 states have call predecessors, (1094), 1090 states have call successors, (1094) [2024-11-28 03:25:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5646 transitions. [2024-11-28 03:25:30,294 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5646 transitions. Word has length 282 [2024-11-28 03:25:30,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:30,295 INFO L471 AbstractCegarLoop]: Abstraction has 3994 states and 5646 transitions. [2024-11-28 03:25:30,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 03:25:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5646 transitions. [2024-11-28 03:25:30,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-28 03:25:30,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:30,311 INFO L218 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] [2024-11-28 03:25:30,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:25:30,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:30,512 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:30,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1308332704, now seen corresponding path program 1 times [2024-11-28 03:25:30,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:25:30,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649911574] [2024-11-28 03:25:30,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:30,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:30,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:30,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:30,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:25:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:35,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 2236 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:25:35,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-28 03:25:37,734 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:37,734 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649911574] [2024-11-28 03:25:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649911574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:37,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:37,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:25:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931557793] [2024-11-28 03:25:37,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:37,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:25:37,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:25:37,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:25:37,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:37,737 INFO L87 Difference]: Start difference. First operand 3994 states and 5646 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 03:25:41,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:25:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:44,806 INFO L93 Difference]: Finished difference Result 9589 states and 13592 transitions. [2024-11-28 03:25:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:25:44,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 332 [2024-11-28 03:25:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:44,864 INFO L225 Difference]: With dead ends: 9589 [2024-11-28 03:25:44,864 INFO L226 Difference]: Without dead ends: 5637 [2024-11-28 03:25:44,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:25:44,891 INFO L435 NwaCegarLoop]: 3614 mSDtfsCounter, 1807 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:44,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 5530 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2024-11-28 03:25:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2024-11-28 03:25:45,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5626. [2024-11-28 03:25:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5626 states, 3784 states have (on average 1.2965116279069768) internal successors, (4906), 3877 states have internal predecessors, (4906), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1492 states have call predecessors, (1525), 1521 states have call successors, (1525) [2024-11-28 03:25:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5626 states to 5626 states and 7953 transitions. [2024-11-28 03:25:45,519 INFO L78 Accepts]: Start accepts. Automaton has 5626 states and 7953 transitions. Word has length 332 [2024-11-28 03:25:45,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:25:45,520 INFO L471 AbstractCegarLoop]: Abstraction has 5626 states and 7953 transitions. [2024-11-28 03:25:45,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 03:25:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 5626 states and 7953 transitions. [2024-11-28 03:25:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-28 03:25:45,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:25:45,540 INFO L218 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] [2024-11-28 03:25:45,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:25:45,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:45,741 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:25:45,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:25:45,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1783130852, now seen corresponding path program 1 times [2024-11-28 03:25:45,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:25:45,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366733792] [2024-11-28 03:25:45,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:25:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:25:45,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:25:45,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:25:45,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:25:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:25:51,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:25:51,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:25:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2024-11-28 03:25:52,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:25:52,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:25:52,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366733792] [2024-11-28 03:25:52,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366733792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:25:52,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:25:52,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:25:52,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074493568] [2024-11-28 03:25:52,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:25:52,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:25:52,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:25:52,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:25:52,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:25:52,241 INFO L87 Difference]: Start difference. First operand 5626 states and 7953 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 03:25:56,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:25:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:25:59,653 INFO L93 Difference]: Finished difference Result 13067 states and 18462 transitions. [2024-11-28 03:25:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:25:59,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 349 [2024-11-28 03:25:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:25:59,728 INFO L225 Difference]: With dead ends: 13067 [2024-11-28 03:25:59,728 INFO L226 Difference]: Without dead ends: 7483 [2024-11-28 03:25:59,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:25:59,761 INFO L435 NwaCegarLoop]: 3853 mSDtfsCounter, 1846 mSDsluCounter, 9777 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 13630 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:25:59,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 13630 Invalid, 68 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-28 03:25:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7483 states. [2024-11-28 03:26:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7483 to 5628. [2024-11-28 03:26:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5628 states, 3786 states have (on average 1.2960908610670894) internal successors, (4907), 3879 states have internal predecessors, (4907), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1492 states have call predecessors, (1525), 1521 states have call successors, (1525) [2024-11-28 03:26:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5628 states to 5628 states and 7954 transitions. [2024-11-28 03:26:00,365 INFO L78 Accepts]: Start accepts. Automaton has 5628 states and 7954 transitions. Word has length 349 [2024-11-28 03:26:00,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:00,368 INFO L471 AbstractCegarLoop]: Abstraction has 5628 states and 7954 transitions. [2024-11-28 03:26:00,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 03:26:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5628 states and 7954 transitions. [2024-11-28 03:26:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2024-11-28 03:26:00,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:00,408 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:00,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:26:00,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:00,609 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:00,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:00,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1950437946, now seen corresponding path program 1 times [2024-11-28 03:26:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:26:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828979494] [2024-11-28 03:26:00,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:00,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:00,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:00,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:00,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:26:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:06,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:26:06,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-11-28 03:26:09,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:09,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:26:09,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828979494] [2024-11-28 03:26:09,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828979494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:09,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:09,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:09,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316782196] [2024-11-28 03:26:09,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:09,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:09,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:09,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:09,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:09,768 INFO L87 Difference]: Start difference. First operand 5628 states and 7954 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-28 03:26:13,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:26:19,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:19,010 INFO L93 Difference]: Finished difference Result 14188 states and 20053 transitions. [2024-11-28 03:26:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:19,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 428 [2024-11-28 03:26:19,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:19,080 INFO L225 Difference]: With dead ends: 14188 [2024-11-28 03:26:19,080 INFO L226 Difference]: Without dead ends: 8602 [2024-11-28 03:26:19,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:19,114 INFO L435 NwaCegarLoop]: 2989 mSDtfsCounter, 1641 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:19,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 4967 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-28 03:26:19,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8602 states. [2024-11-28 03:26:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8602 to 8589. [2024-11-28 03:26:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8589 states, 5812 states have (on average 1.2863041982105987) internal successors, (7476), 5954 states have internal predecessors, (7476), 2284 states have call successors, (2284), 493 states have call predecessors, (2284), 492 states have return successors, (2291), 2236 states have call predecessors, (2291), 2283 states have call successors, (2291) [2024-11-28 03:26:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8589 states to 8589 states and 12051 transitions. [2024-11-28 03:26:19,906 INFO L78 Accepts]: Start accepts. Automaton has 8589 states and 12051 transitions. Word has length 428 [2024-11-28 03:26:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:19,907 INFO L471 AbstractCegarLoop]: Abstraction has 8589 states and 12051 transitions. [2024-11-28 03:26:19,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-28 03:26:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8589 states and 12051 transitions. [2024-11-28 03:26:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-28 03:26:19,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:19,953 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:19,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:26:20,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:20,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2092605387, now seen corresponding path program 1 times [2024-11-28 03:26:20,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:26:20,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035117485] [2024-11-28 03:26:20,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:20,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:20,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:20,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:20,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:26:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:26,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:26:26,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-11-28 03:26:26,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:26,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:26:26,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035117485] [2024-11-28 03:26:26,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035117485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:26,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:26,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:26,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258270707] [2024-11-28 03:26:26,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:26,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:26,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:26,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:26,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:26,573 INFO L87 Difference]: Start difference. First operand 8589 states and 12051 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:26:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:27,557 INFO L93 Difference]: Finished difference Result 17160 states and 24090 transitions. [2024-11-28 03:26:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:27,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 414 [2024-11-28 03:26:27,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:27,624 INFO L225 Difference]: With dead ends: 17160 [2024-11-28 03:26:27,624 INFO L226 Difference]: Without dead ends: 8613 [2024-11-28 03:26:27,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:27,662 INFO L435 NwaCegarLoop]: 2120 mSDtfsCounter, 6 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:27,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4236 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:26:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8613 states. [2024-11-28 03:26:28,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8613 to 8592. [2024-11-28 03:26:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8592 states, 5815 states have (on average 1.2861564918314703) internal successors, (7479), 5957 states have internal predecessors, (7479), 2284 states have call successors, (2284), 493 states have call predecessors, (2284), 492 states have return successors, (2291), 2236 states have call predecessors, (2291), 2283 states have call successors, (2291) [2024-11-28 03:26:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8592 states to 8592 states and 12054 transitions. [2024-11-28 03:26:28,391 INFO L78 Accepts]: Start accepts. Automaton has 8592 states and 12054 transitions. Word has length 414 [2024-11-28 03:26:28,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:28,392 INFO L471 AbstractCegarLoop]: Abstraction has 8592 states and 12054 transitions. [2024-11-28 03:26:28,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 03:26:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8592 states and 12054 transitions. [2024-11-28 03:26:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-28 03:26:28,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:28,434 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:28,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:26:28,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:28,636 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:28,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:28,636 INFO L85 PathProgramCache]: Analyzing trace with hash -593733744, now seen corresponding path program 1 times [2024-11-28 03:26:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:26:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116782131] [2024-11-28 03:26:28,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:28,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:28,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:28,642 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:28,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:26:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:35,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:26:35,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2024-11-28 03:26:36,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:36,497 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:26:36,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116782131] [2024-11-28 03:26:36,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116782131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:36,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:36,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:26:36,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690079145] [2024-11-28 03:26:36,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:36,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:26:36,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:36,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:26:36,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:26:36,500 INFO L87 Difference]: Start difference. First operand 8592 states and 12054 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:26:37,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:37,884 INFO L93 Difference]: Finished difference Result 17164 states and 24093 transitions. [2024-11-28 03:26:37,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:26:37,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 444 [2024-11-28 03:26:37,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:37,953 INFO L225 Difference]: With dead ends: 17164 [2024-11-28 03:26:37,954 INFO L226 Difference]: Without dead ends: 8614 [2024-11-28 03:26:37,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:26:37,990 INFO L435 NwaCegarLoop]: 2121 mSDtfsCounter, 0 mSDsluCounter, 6356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8477 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:37,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8477 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:26:38,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8614 states. [2024-11-28 03:26:38,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8614 to 8604. [2024-11-28 03:26:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8604 states, 5824 states have (on average 1.2857142857142858) internal successors, (7488), 5966 states have internal predecessors, (7488), 2284 states have call successors, (2284), 493 states have call predecessors, (2284), 495 states have return successors, (2301), 2239 states have call predecessors, (2301), 2283 states have call successors, (2301) [2024-11-28 03:26:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8604 states to 8604 states and 12073 transitions. [2024-11-28 03:26:38,672 INFO L78 Accepts]: Start accepts. Automaton has 8604 states and 12073 transitions. Word has length 444 [2024-11-28 03:26:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:38,673 INFO L471 AbstractCegarLoop]: Abstraction has 8604 states and 12073 transitions. [2024-11-28 03:26:38,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:26:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8604 states and 12073 transitions. [2024-11-28 03:26:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-28 03:26:38,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:38,707 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:38,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:26:38,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:38,908 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:38,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:38,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1567438835, now seen corresponding path program 1 times [2024-11-28 03:26:38,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:26:38,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107202172] [2024-11-28 03:26:38,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:38,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:38,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:26:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:44,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:26:44,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-28 03:26:44,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:44,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:26:44,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107202172] [2024-11-28 03:26:44,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107202172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:44,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:44,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:44,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237285044] [2024-11-28 03:26:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:44,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:44,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:44,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:44,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:44,896 INFO L87 Difference]: Start difference. First operand 8604 states and 12073 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-28 03:26:46,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:26:46,396 INFO L93 Difference]: Finished difference Result 17278 states and 24312 transitions. [2024-11-28 03:26:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:26:46,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 445 [2024-11-28 03:26:46,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:26:46,467 INFO L225 Difference]: With dead ends: 17278 [2024-11-28 03:26:46,467 INFO L226 Difference]: Without dead ends: 8716 [2024-11-28 03:26:46,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:46,507 INFO L435 NwaCegarLoop]: 2111 mSDtfsCounter, 12 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:26:46,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4218 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:26:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8716 states. [2024-11-28 03:26:47,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8716 to 8618. [2024-11-28 03:26:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8618 states, 5838 states have (on average 1.2850291195614936) internal successors, (7502), 5980 states have internal predecessors, (7502), 2284 states have call successors, (2284), 493 states have call predecessors, (2284), 495 states have return successors, (2301), 2239 states have call predecessors, (2301), 2283 states have call successors, (2301) [2024-11-28 03:26:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 12087 transitions. [2024-11-28 03:26:47,285 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 12087 transitions. Word has length 445 [2024-11-28 03:26:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:26:47,286 INFO L471 AbstractCegarLoop]: Abstraction has 8618 states and 12087 transitions. [2024-11-28 03:26:47,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-28 03:26:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 12087 transitions. [2024-11-28 03:26:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-11-28 03:26:47,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:26:47,319 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:26:47,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:26:47,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:47,520 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:26:47,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:26:47,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2006851390, now seen corresponding path program 1 times [2024-11-28 03:26:47,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:26:47,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153768068] [2024-11-28 03:26:47,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:26:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:26:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:26:47,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:26:47,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:26:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:26:53,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:26:53,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:26:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2024-11-28 03:26:54,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:26:54,269 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:26:54,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153768068] [2024-11-28 03:26:54,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153768068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:26:54,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:26:54,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:26:54,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539272287] [2024-11-28 03:26:54,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:26:54,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:26:54,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:26:54,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:26:54,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:26:54,272 INFO L87 Difference]: Start difference. First operand 8618 states and 12087 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 03:26:58,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:27:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:02,119 INFO L93 Difference]: Finished difference Result 19781 states and 27764 transitions. [2024-11-28 03:27:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:02,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 487 [2024-11-28 03:27:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:02,208 INFO L225 Difference]: With dead ends: 19781 [2024-11-28 03:27:02,209 INFO L226 Difference]: Without dead ends: 11205 [2024-11-28 03:27:02,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:02,248 INFO L435 NwaCegarLoop]: 2956 mSDtfsCounter, 1783 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 4941 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:02,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 4941 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-28 03:27:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11205 states. [2024-11-28 03:27:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11205 to 11199. [2024-11-28 03:27:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11199 states, 7603 states have (on average 1.2848875443903722) internal successors, (9769), 7787 states have internal predecessors, (9769), 2946 states have call successors, (2946), 647 states have call predecessors, (2946), 649 states have return successors, (2963), 2888 states have call predecessors, (2963), 2945 states have call successors, (2963) [2024-11-28 03:27:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11199 states to 11199 states and 15678 transitions. [2024-11-28 03:27:02,992 INFO L78 Accepts]: Start accepts. Automaton has 11199 states and 15678 transitions. Word has length 487 [2024-11-28 03:27:02,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:02,993 INFO L471 AbstractCegarLoop]: Abstraction has 11199 states and 15678 transitions. [2024-11-28 03:27:02,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 03:27:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 11199 states and 15678 transitions. [2024-11-28 03:27:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-11-28 03:27:03,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:03,021 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:03,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:03,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:03,223 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:03,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:03,224 INFO L85 PathProgramCache]: Analyzing trace with hash -646188909, now seen corresponding path program 1 times [2024-11-28 03:27:03,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:03,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175804594] [2024-11-28 03:27:03,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:03,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:03,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:03,230 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:27:03,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:27:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:09,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 2778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:27:09,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-28 03:27:10,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:27:10,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:10,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175804594] [2024-11-28 03:27:10,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175804594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:10,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:10,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:27:10,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590153289] [2024-11-28 03:27:10,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:10,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:10,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:10,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:10,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:10,083 INFO L87 Difference]: Start difference. First operand 11199 states and 15678 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:27:11,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:11,006 INFO L93 Difference]: Finished difference Result 22365 states and 31317 transitions. [2024-11-28 03:27:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:11,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 453 [2024-11-28 03:27:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:11,094 INFO L225 Difference]: With dead ends: 22365 [2024-11-28 03:27:11,095 INFO L226 Difference]: Without dead ends: 11208 [2024-11-28 03:27:11,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:11,145 INFO L435 NwaCegarLoop]: 2120 mSDtfsCounter, 2 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:11,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4236 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:27:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11208 states. [2024-11-28 03:27:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11208 to 11202. [2024-11-28 03:27:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11202 states, 7606 states have (on average 1.2847751774914542) internal successors, (9772), 7790 states have internal predecessors, (9772), 2946 states have call successors, (2946), 647 states have call predecessors, (2946), 649 states have return successors, (2963), 2888 states have call predecessors, (2963), 2945 states have call successors, (2963) [2024-11-28 03:27:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 15681 transitions. [2024-11-28 03:27:11,988 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 15681 transitions. Word has length 453 [2024-11-28 03:27:11,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:11,989 INFO L471 AbstractCegarLoop]: Abstraction has 11202 states and 15681 transitions. [2024-11-28 03:27:11,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 03:27:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 15681 transitions. [2024-11-28 03:27:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2024-11-28 03:27:12,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:12,013 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:12,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:27:12,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:12,214 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:12,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1517162815, now seen corresponding path program 1 times [2024-11-28 03:27:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:12,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080586934] [2024-11-28 03:27:12,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:12,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:12,224 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:27:12,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:27:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:17,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:27:17,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 203 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-11-28 03:27:18,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:27:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2024-11-28 03:27:37,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:27:37,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080586934] [2024-11-28 03:27:37,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080586934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:27:37,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:27:37,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2024-11-28 03:27:37,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928257369] [2024-11-28 03:27:37,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:27:37,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:27:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:27:37,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:27:37,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:27:37,780 INFO L87 Difference]: Start difference. First operand 11202 states and 15681 transitions. Second operand has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 7 states have internal predecessors, (229), 4 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2024-11-28 03:27:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:27:40,940 INFO L93 Difference]: Finished difference Result 22452 states and 31464 transitions. [2024-11-28 03:27:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:27:40,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 7 states have internal predecessors, (229), 4 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 456 [2024-11-28 03:27:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:27:41,015 INFO L225 Difference]: With dead ends: 22452 [2024-11-28 03:27:41,016 INFO L226 Difference]: Without dead ends: 11292 [2024-11-28 03:27:41,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 911 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:27:41,063 INFO L435 NwaCegarLoop]: 2129 mSDtfsCounter, 27 mSDsluCounter, 8459 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 10588 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:27:41,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 10588 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 03:27:41,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11292 states. [2024-11-28 03:27:41,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11292 to 11292. [2024-11-28 03:27:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11292 states, 7678 states have (on average 1.2844490752800208) internal successors, (9862), 7853 states have internal predecessors, (9862), 2964 states have call successors, (2964), 647 states have call predecessors, (2964), 649 states have return successors, (2999), 2915 states have call predecessors, (2999), 2963 states have call successors, (2999) [2024-11-28 03:27:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11292 states to 11292 states and 15825 transitions. [2024-11-28 03:27:42,014 INFO L78 Accepts]: Start accepts. Automaton has 11292 states and 15825 transitions. Word has length 456 [2024-11-28 03:27:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:27:42,016 INFO L471 AbstractCegarLoop]: Abstraction has 11292 states and 15825 transitions. [2024-11-28 03:27:42,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 7 states have internal predecessors, (229), 4 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2024-11-28 03:27:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11292 states and 15825 transitions. [2024-11-28 03:27:42,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-11-28 03:27:42,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:27:42,042 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:42,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:27:42,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:42,243 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:27:42,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1878344685, now seen corresponding path program 1 times [2024-11-28 03:27:42,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:27:42,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1838470392] [2024-11-28 03:27:42,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:42,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:27:42,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:42,249 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:27:42,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:27:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:48,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:27:48,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:27:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2024-11-28 03:27:49,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:28:10,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-28 03:28:10,264 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:28:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838470392] [2024-11-28 03:28:10,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838470392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:28:10,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:28:10,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-28 03:28:10,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687929212] [2024-11-28 03:28:10,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:28:10,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:28:10,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:28:10,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:28:10,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:28:10,270 INFO L87 Difference]: Start difference. First operand 11292 states and 15825 transitions. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-28 03:28:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:15,247 INFO L93 Difference]: Finished difference Result 22974 states and 32308 transitions. [2024-11-28 03:28:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:28:15,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 481 [2024-11-28 03:28:15,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:15,311 INFO L225 Difference]: With dead ends: 22974 [2024-11-28 03:28:15,311 INFO L226 Difference]: Without dead ends: 11724 [2024-11-28 03:28:15,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 956 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:28:15,355 INFO L435 NwaCegarLoop]: 2122 mSDtfsCounter, 67 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 6338 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:15,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 6338 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 03:28:15,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11724 states. [2024-11-28 03:28:16,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11724 to 11724. [2024-11-28 03:28:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11724 states, 8002 states have (on average 1.279680079980005) internal successors, (10240), 8177 states have internal predecessors, (10240), 3072 states have call successors, (3072), 647 states have call predecessors, (3072), 649 states have return successors, (3107), 3023 states have call predecessors, (3107), 3071 states have call successors, (3107) [2024-11-28 03:28:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11724 states to 11724 states and 16419 transitions. [2024-11-28 03:28:16,155 INFO L78 Accepts]: Start accepts. Automaton has 11724 states and 16419 transitions. Word has length 481 [2024-11-28 03:28:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:16,156 INFO L471 AbstractCegarLoop]: Abstraction has 11724 states and 16419 transitions. [2024-11-28 03:28:16,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-28 03:28:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 11724 states and 16419 transitions. [2024-11-28 03:28:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-11-28 03:28:16,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:16,180 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:16,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 03:28:16,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:16,381 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:16,382 INFO L85 PathProgramCache]: Analyzing trace with hash 407030803, now seen corresponding path program 1 times [2024-11-28 03:28:16,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:28:16,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655434772] [2024-11-28 03:28:16,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:16,386 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:16,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:28:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:22,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 2961 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:28:22,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-11-28 03:28:23,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:23,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:28:23,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655434772] [2024-11-28 03:28:23,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655434772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:23,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:23,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:28:23,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629865062] [2024-11-28 03:28:23,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:23,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:28:23,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:28:23,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:28:23,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:28:23,300 INFO L87 Difference]: Start difference. First operand 11724 states and 16419 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 03:28:24,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:24,315 INFO L93 Difference]: Finished difference Result 23420 states and 32806 transitions. [2024-11-28 03:28:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:28:24,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 487 [2024-11-28 03:28:24,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:24,370 INFO L225 Difference]: With dead ends: 23420 [2024-11-28 03:28:24,370 INFO L226 Difference]: Without dead ends: 11725 [2024-11-28 03:28:24,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:28:24,406 INFO L435 NwaCegarLoop]: 2121 mSDtfsCounter, 0 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6355 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:24,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6355 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:28:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11725 states. [2024-11-28 03:28:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11725 to 11725. [2024-11-28 03:28:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11725 states, 8003 states have (on average 1.2796451330750969) internal successors, (10241), 8178 states have internal predecessors, (10241), 3072 states have call successors, (3072), 647 states have call predecessors, (3072), 649 states have return successors, (3107), 3023 states have call predecessors, (3107), 3071 states have call successors, (3107) [2024-11-28 03:28:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11725 states to 11725 states and 16420 transitions. [2024-11-28 03:28:25,142 INFO L78 Accepts]: Start accepts. Automaton has 11725 states and 16420 transitions. Word has length 487 [2024-11-28 03:28:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:25,143 INFO L471 AbstractCegarLoop]: Abstraction has 11725 states and 16420 transitions. [2024-11-28 03:28:25,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 03:28:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 11725 states and 16420 transitions. [2024-11-28 03:28:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-11-28 03:28:25,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:25,165 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:25,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 03:28:25,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:25,366 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:25,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -258213512, now seen corresponding path program 1 times [2024-11-28 03:28:25,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:28:25,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884571773] [2024-11-28 03:28:25,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:25,371 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:25,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:28:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:31,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 2994 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:28:31,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2024-11-28 03:28:33,946 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:33,946 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:28:33,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884571773] [2024-11-28 03:28:33,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884571773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:33,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:33,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:28:33,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142327115] [2024-11-28 03:28:33,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:33,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:28:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:28:33,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:28:33,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:28:33,949 INFO L87 Difference]: Start difference. First operand 11725 states and 16420 transitions. Second operand has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 03:28:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:36,724 INFO L93 Difference]: Finished difference Result 23436 states and 32834 transitions. [2024-11-28 03:28:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:28:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 490 [2024-11-28 03:28:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:36,793 INFO L225 Difference]: With dead ends: 23436 [2024-11-28 03:28:36,793 INFO L226 Difference]: Without dead ends: 11754 [2024-11-28 03:28:36,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:28:36,837 INFO L435 NwaCegarLoop]: 2120 mSDtfsCounter, 0 mSDsluCounter, 8463 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10583 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:36,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10583 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 03:28:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11754 states. [2024-11-28 03:28:37,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11754 to 11740. [2024-11-28 03:28:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11740 states, 8015 states have (on average 1.2792264504054898) internal successors, (10253), 8190 states have internal predecessors, (10253), 3072 states have call successors, (3072), 647 states have call predecessors, (3072), 652 states have return successors, (3117), 3026 states have call predecessors, (3117), 3071 states have call successors, (3117) [2024-11-28 03:28:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 11740 states and 16442 transitions. [2024-11-28 03:28:37,741 INFO L78 Accepts]: Start accepts. Automaton has 11740 states and 16442 transitions. Word has length 490 [2024-11-28 03:28:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:37,741 INFO L471 AbstractCegarLoop]: Abstraction has 11740 states and 16442 transitions. [2024-11-28 03:28:37,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 03:28:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 11740 states and 16442 transitions. [2024-11-28 03:28:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-11-28 03:28:37,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:37,765 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:37,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:28:37,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:37,966 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:37,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:37,967 INFO L85 PathProgramCache]: Analyzing trace with hash 751134790, now seen corresponding path program 1 times [2024-11-28 03:28:37,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:28:37,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032394417] [2024-11-28 03:28:37,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:37,971 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:37,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:28:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:43,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 3011 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:28:43,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-28 03:28:48,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:48,014 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:28:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032394417] [2024-11-28 03:28:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032394417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:48,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:48,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:28:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528304605] [2024-11-28 03:28:48,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:48,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:28:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:28:48,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:28:48,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:28:48,017 INFO L87 Difference]: Start difference. First operand 11740 states and 16442 transitions. Second operand has 8 states, 8 states have (on average 24.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:28:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:50,160 INFO L93 Difference]: Finished difference Result 23505 states and 32973 transitions. [2024-11-28 03:28:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:28:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) Word has length 496 [2024-11-28 03:28:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:50,213 INFO L225 Difference]: With dead ends: 23505 [2024-11-28 03:28:50,213 INFO L226 Difference]: Without dead ends: 11808 [2024-11-28 03:28:50,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:28:50,359 INFO L435 NwaCegarLoop]: 2119 mSDtfsCounter, 0 mSDsluCounter, 12705 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14824 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:50,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14824 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:28:50,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11808 states. [2024-11-28 03:28:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11808 to 11808. [2024-11-28 03:28:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11808 states, 8067 states have (on average 1.2774265526217925) internal successors, (10305), 8240 states have internal predecessors, (10305), 3072 states have call successors, (3072), 647 states have call predecessors, (3072), 668 states have return successors, (3149), 3044 states have call predecessors, (3149), 3071 states have call successors, (3149) [2024-11-28 03:28:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11808 states to 11808 states and 16526 transitions. [2024-11-28 03:28:50,836 INFO L78 Accepts]: Start accepts. Automaton has 11808 states and 16526 transitions. Word has length 496 [2024-11-28 03:28:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:28:50,837 INFO L471 AbstractCegarLoop]: Abstraction has 11808 states and 16526 transitions. [2024-11-28 03:28:50,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 6 states have internal predecessors, (192), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (46), 4 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:28:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 11808 states and 16526 transitions. [2024-11-28 03:28:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-11-28 03:28:50,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:28:50,854 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:28:50,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 03:28:51,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:51,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:28:51,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:28:51,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1536929722, now seen corresponding path program 1 times [2024-11-28 03:28:51,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:28:51,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616745156] [2024-11-28 03:28:51,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:28:51,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:28:51,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:28:51,058 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:28:51,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:28:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:28:57,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 3026 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:28:57,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:28:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2024-11-28 03:28:57,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:28:57,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:28:57,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616745156] [2024-11-28 03:28:57,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616745156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:28:57,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:28:57,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:28:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516676594] [2024-11-28 03:28:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:28:57,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:28:57,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:28:57,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:28:57,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:28:57,781 INFO L87 Difference]: Start difference. First operand 11808 states and 16526 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:28:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:28:59,258 INFO L93 Difference]: Finished difference Result 26659 states and 37316 transitions. [2024-11-28 03:28:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:28:59,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 502 [2024-11-28 03:28:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:28:59,350 INFO L225 Difference]: With dead ends: 26659 [2024-11-28 03:28:59,350 INFO L226 Difference]: Without dead ends: 14894 [2024-11-28 03:28:59,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:28:59,400 INFO L435 NwaCegarLoop]: 2192 mSDtfsCounter, 2120 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 6227 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:28:59,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 6227 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:28:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14894 states. [2024-11-28 03:28:59,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14894 to 11808. [2024-11-28 03:28:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11808 states, 8067 states have (on average 1.277302590802033) internal successors, (10304), 8240 states have internal predecessors, (10304), 3072 states have call successors, (3072), 647 states have call predecessors, (3072), 668 states have return successors, (3149), 3044 states have call predecessors, (3149), 3071 states have call successors, (3149) [2024-11-28 03:28:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11808 states to 11808 states and 16525 transitions. [2024-11-28 03:29:00,001 INFO L78 Accepts]: Start accepts. Automaton has 11808 states and 16525 transitions. Word has length 502 [2024-11-28 03:29:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:00,002 INFO L471 AbstractCegarLoop]: Abstraction has 11808 states and 16525 transitions. [2024-11-28 03:29:00,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-28 03:29:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11808 states and 16525 transitions. [2024-11-28 03:29:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-28 03:29:00,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:29:00,024 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:29:00,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:29:00,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:00,225 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:29:00,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:29:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash -654387834, now seen corresponding path program 2 times [2024-11-28 03:29:00,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:29:00,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879760187] [2024-11-28 03:29:00,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:29:00,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:00,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:29:00,230 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:29:00,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 03:29:06,203 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:29:06,203 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:29:06,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:29:06,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:29:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2024-11-28 03:29:07,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:29:07,369 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:29:07,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879760187] [2024-11-28 03:29:07,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879760187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:29:07,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:29:07,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:29:07,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158050119] [2024-11-28 03:29:07,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:29:07,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:29:07,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:29:07,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:29:07,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:29:07,372 INFO L87 Difference]: Start difference. First operand 11808 states and 16525 transitions. Second operand has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-28 03:29:08,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:29:08,518 INFO L93 Difference]: Finished difference Result 11808 states and 16525 transitions. [2024-11-28 03:29:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:29:08,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 508 [2024-11-28 03:29:08,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:29:08,543 INFO L225 Difference]: With dead ends: 11808 [2024-11-28 03:29:08,543 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:29:08,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:29:08,570 INFO L435 NwaCegarLoop]: 2117 mSDtfsCounter, 4 mSDsluCounter, 6345 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8462 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:29:08,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8462 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:29:08,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:29:08,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:29:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:29:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:29:08,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2024-11-28 03:29:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:29:08,596 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:29:08,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-28 03:29:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:29:08,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:29:08,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:29:08,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 03:29:08,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e3fe6-07f3-4bd8-a4f6-4d943161c9e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:29:08,802 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:29:08,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:29:18,198 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 51 DAG size of output: 14 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 03:29:37,204 WARN L286 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 70 DAG size of output: 11 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 03:29:44,468 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 51 DAG size of output: 11 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 03:29:52,333 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 55 DAG size of output: 11 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)