./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_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/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_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1 --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 [2024-12-02 15:50:20,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:50:20,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:50:20,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:50:20,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:50:20,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:50:20,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:50:20,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:50:20,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:50:20,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:50:20,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:50:20,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:50:20,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:50:20,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:50:20,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:50:20,317 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:50:20,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:50:20,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:50:20,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:50:20,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:50:20,318 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_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 15:50:20,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:50:20,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:50:20,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:50:20,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:50:20,557 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:50:20,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-12-02 15:50:23,154 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/data/6e503ba1d/9502ed87a6ee46158a017a85e3b35e69/FLAG1866cfa14 [2024-12-02 15:50:23,622 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:50:23,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-12-02 15:50:23,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/data/6e503ba1d/9502ed87a6ee46158a017a85e3b35e69/FLAG1866cfa14 [2024-12-02 15:50:23,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/data/6e503ba1d/9502ed87a6ee46158a017a85e3b35e69 [2024-12-02 15:50:23,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:50:23,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:50:23,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:50:23,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:50:23,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:50:23,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:23" (1/1) ... [2024-12-02 15:50:23,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108ace90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:23, skipping insertion in model container [2024-12-02 15:50:23,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:23" (1/1) ... [2024-12-02 15:50:23,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:50:25,198 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_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/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] [2024-12-02 15:50:25,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:50:25,273 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:50:25,401 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] [2024-12-02 15:50:25,403 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] [2024-12-02 15:50:25,403 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] [2024-12-02 15:50:25,407 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] [2024-12-02 15:50:25,407 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] [2024-12-02 15:50:25,408 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] [2024-12-02 15:50:25,408 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] [2024-12-02 15:50:25,409 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] [2024-12-02 15:50:25,409 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] [2024-12-02 15:50:25,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2024-12-02 15:50:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2024-12-02 15:50:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2024-12-02 15:50:25,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2024-12-02 15:50:25,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2024-12-02 15:50:25,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2024-12-02 15:50:25,420 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] [2024-12-02 15:50:25,422 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] [2024-12-02 15:50:25,428 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] [2024-12-02 15:50:25,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2024-12-02 15:50:25,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2024-12-02 15:50:25,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-12-02 15:50:25,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2024-12-02 15:50:25,563 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_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/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] [2024-12-02 15:50:25,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:50:25,738 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:50:25,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25 WrapperNode [2024-12-02 15:50:25,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:50:25,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:50:25,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:50:25,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:50:25,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:25,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:25,916 INFO L138 Inliner]: procedures = 277, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 4126 [2024-12-02 15:50:25,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:50:25,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:50:25,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:50:25,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:50:25,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:25,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:25,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,480 INFO L175 MemorySlicer]: Split 706 memory accesses to 17 slices as follows [2, 3, 7, 9, 9, 4, 9, 3, 5, 5, 43, 8, 4, 566, 17, 6, 6]. 80 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 0, 8, 8, 4, 8, 3, 5, 5, 0, 0, 0, 6, 0, 0, 6]. The 368 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 43, 2, 2, 306, 7, 2, 0]. [2024-12-02 15:50:26,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:50:26,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:50:26,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:50:26,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:50:26,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (1/1) ... [2024-12-02 15:50:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:50:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:50:26,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:50:26,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:50:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2024-12-02 15:50:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2024-12-02 15:50:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:50:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:50:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:50:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:50:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-12-02 15:50:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-12-02 15:50:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-12-02 15:50:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:50:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 15:50:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:50:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 15:50:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:50:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:50:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-12-02 15:50:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 15:50:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 15:50:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:50:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:50:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 15:50:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-12-02 15:50:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:50:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:50:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-12-02 15:50:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-12-02 15:50:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:50:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 15:50:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2024-12-02 15:50:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:50:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:50:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 15:50:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:50:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 15:50:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-12-02 15:50:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-12-02 15:50:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-12-02 15:50:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:50:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 15:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-12-02 15:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-12-02 15:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2024-12-02 15:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 15:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 15:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:50:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:50:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 15:50:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 15:50:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 15:50:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:50:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:50:27,374 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:50:27,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:50:27,399 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:50:35,198 INFO L? ?]: Removed 1811 outVars from TransFormulas that were not future-live. [2024-12-02 15:50:35,199 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:50:35,230 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:50:35,230 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 15:50:35,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:35 BoogieIcfgContainer [2024-12-02 15:50:35,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:50:35,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:50:35,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:50:35,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:50:35,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:50:23" (1/3) ... [2024-12-02 15:50:35,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf78fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:35, skipping insertion in model container [2024-12-02 15:50:35,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:25" (2/3) ... [2024-12-02 15:50:35,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf78fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:35, skipping insertion in model container [2024-12-02 15:50:35,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:35" (3/3) ... [2024-12-02 15:50:35,239 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2024-12-02 15:50:35,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:50:35,251 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. [2024-12-02 15:50:35,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:50:35,328 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;@ca6d0d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:50:35,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:50:35,335 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) [2024-12-02 15:50:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 15:50:35,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:35,372 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] [2024-12-02 15:50:35,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:35,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:35,376 INFO L85 PathProgramCache]: Analyzing trace with hash 394258315, now seen corresponding path program 1 times [2024-12-02 15:50:35,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039198844] [2024-12-02 15:50:35,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:35,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-12-02 15:50:39,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:39,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039198844] [2024-12-02 15:50:39,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039198844] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:39,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891037390] [2024-12-02 15:50:39,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:39,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:50:39,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:50:39,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:50:39,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:50:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:43,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 3239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:50:43,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-12-02 15:50:43,975 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:43,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891037390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:43,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:50:43,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:50:43,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453468714] [2024-12-02 15:50:43,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:43,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:50:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:44,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:50:44,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:50:44,009 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) [2024-12-02 15:50:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:44,171 INFO L93 Difference]: Finished difference Result 3523 states and 5199 transitions. [2024-12-02 15:50:44,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:50:44,173 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 [2024-12-02 15:50:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:44,200 INFO L225 Difference]: With dead ends: 3523 [2024-12-02 15:50:44,201 INFO L226 Difference]: Without dead ends: 1740 [2024-12-02 15:50:44,214 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 [2024-12-02 15:50:44,217 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 [2024-12-02 15:50:44,218 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] [2024-12-02 15:50:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-12-02 15:50:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1740. [2024-12-02 15:50:44,360 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) [2024-12-02 15:50:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2484 transitions. [2024-12-02 15:50:44,384 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2484 transitions. Word has length 258 [2024-12-02 15:50:44,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:44,384 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2484 transitions. [2024-12-02 15:50:44,385 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) [2024-12-02 15:50:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2484 transitions. [2024-12-02 15:50:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-12-02 15:50:44,399 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:44,399 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] [2024-12-02 15:50:44,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:50:44,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:50:44,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:44,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash 442706725, now seen corresponding path program 1 times [2024-12-02 15:50:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028246435] [2024-12-02 15:50:44,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-12-02 15:50:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028246435] [2024-12-02 15:50:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028246435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:48,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:48,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:50:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720706604] [2024-12-02 15:50:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:48,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:50:48,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:48,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:50:48,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:50:48,521 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) [2024-12-02 15:50:49,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:49,076 INFO L93 Difference]: Finished difference Result 4819 states and 6886 transitions. [2024-12-02 15:50:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:50:49,077 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 [2024-12-02 15:50:49,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:49,104 INFO L225 Difference]: With dead ends: 4819 [2024-12-02 15:50:49,104 INFO L226 Difference]: Without dead ends: 3107 [2024-12-02 15:50:49,113 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 [2024-12-02 15:50:49,113 INFO L435 NwaCegarLoop]: 2608 mSDtfsCounter, 1985 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:49,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 5003 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:50:49,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2024-12-02 15:50:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3103. [2024-12-02 15:50:49,258 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) [2024-12-02 15:50:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4436 transitions. [2024-12-02 15:50:49,284 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4436 transitions. Word has length 259 [2024-12-02 15:50:49,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:49,285 INFO L471 AbstractCegarLoop]: Abstraction has 3103 states and 4436 transitions. [2024-12-02 15:50:49,285 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) [2024-12-02 15:50:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4436 transitions. [2024-12-02 15:50:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 15:50:49,300 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:49,300 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] [2024-12-02 15:50:49,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:50:49,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:49,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1180441199, now seen corresponding path program 1 times [2024-12-02 15:50:49,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:49,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165099974] [2024-12-02 15:50:49,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:49,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-12-02 15:50:52,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:52,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165099974] [2024-12-02 15:50:52,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165099974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:52,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:52,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:50:52,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525874612] [2024-12-02 15:50:52,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:52,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:50:52,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:52,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:50:52,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:50:52,888 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) [2024-12-02 15:50:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:53,677 INFO L93 Difference]: Finished difference Result 7749 states and 11056 transitions. [2024-12-02 15:50:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:50:53,678 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 [2024-12-02 15:50:53,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:53,712 INFO L225 Difference]: With dead ends: 7749 [2024-12-02 15:50:53,712 INFO L226 Difference]: Without dead ends: 4684 [2024-12-02 15:50:53,728 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 [2024-12-02 15:50:53,729 INFO L435 NwaCegarLoop]: 2685 mSDtfsCounter, 1618 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:53,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 5032 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:50:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2024-12-02 15:50:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4677. [2024-12-02 15:50:53,923 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) [2024-12-02 15:50:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4677 states and 6660 transitions. [2024-12-02 15:50:53,959 INFO L78 Accepts]: Start accepts. Automaton has 4677 states and 6660 transitions. Word has length 225 [2024-12-02 15:50:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:53,959 INFO L471 AbstractCegarLoop]: Abstraction has 4677 states and 6660 transitions. [2024-12-02 15:50:53,960 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) [2024-12-02 15:50:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4677 states and 6660 transitions. [2024-12-02 15:50:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-12-02 15:50:54,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:54,014 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] [2024-12-02 15:50:54,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:50:54,015 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:54,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:54,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1404259899, now seen corresponding path program 1 times [2024-12-02 15:50:54,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:54,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907882740] [2024-12-02 15:50:54,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-12-02 15:50:57,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:57,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907882740] [2024-12-02 15:50:57,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907882740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:57,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:57,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:50:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109996944] [2024-12-02 15:50:57,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:57,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:50:57,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:57,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:50:57,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:50:57,763 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) [2024-12-02 15:50:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:57,902 INFO L93 Difference]: Finished difference Result 9312 states and 13269 transitions. [2024-12-02 15:50:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:50:57,902 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 [2024-12-02 15:50:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:57,924 INFO L225 Difference]: With dead ends: 9312 [2024-12-02 15:50:57,924 INFO L226 Difference]: Without dead ends: 4677 [2024-12-02 15:50:57,937 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 [2024-12-02 15:50:57,937 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 2480 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:57,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 2482 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:50:57,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4677 states. [2024-12-02 15:50:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4677 to 4677. [2024-12-02 15:50:58,061 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) [2024-12-02 15:50:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4677 states and 6658 transitions. [2024-12-02 15:50:58,081 INFO L78 Accepts]: Start accepts. Automaton has 4677 states and 6658 transitions. Word has length 287 [2024-12-02 15:50:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:58,082 INFO L471 AbstractCegarLoop]: Abstraction has 4677 states and 6658 transitions. [2024-12-02 15:50:58,082 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) [2024-12-02 15:50:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 4677 states and 6658 transitions. [2024-12-02 15:50:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-12-02 15:50:58,088 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:58,088 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] [2024-12-02 15:50:58,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:50:58,089 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:50:58,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1627354585, now seen corresponding path program 1 times [2024-12-02 15:50:58,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:58,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270534798] [2024-12-02 15:50:58,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-12-02 15:51:01,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:01,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270534798] [2024-12-02 15:51:01,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270534798] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:01,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:01,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:01,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890587050] [2024-12-02 15:51:01,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:01,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:01,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:01,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:01,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:01,576 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) [2024-12-02 15:51:05,614 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 [] [2024-12-02 15:51:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:06,267 INFO L93 Difference]: Finished difference Result 11236 states and 16034 transitions. [2024-12-02 15:51:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:06,268 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 [2024-12-02 15:51:06,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:06,313 INFO L225 Difference]: With dead ends: 11236 [2024-12-02 15:51:06,313 INFO L226 Difference]: Without dead ends: 6601 [2024-12-02 15:51:06,334 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 [2024-12-02 15:51:06,335 INFO L435 NwaCegarLoop]: 4272 mSDtfsCounter, 2158 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:06,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 6512 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:51:06,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6601 states. [2024-12-02 15:51:06,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6601 to 6590. [2024-12-02 15:51:06,620 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) [2024-12-02 15:51:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 9383 transitions. [2024-12-02 15:51:06,691 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 9383 transitions. Word has length 338 [2024-12-02 15:51:06,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:06,692 INFO L471 AbstractCegarLoop]: Abstraction has 6590 states and 9383 transitions. [2024-12-02 15:51:06,693 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) [2024-12-02 15:51:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 9383 transitions. [2024-12-02 15:51:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-12-02 15:51:06,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:06,706 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] [2024-12-02 15:51:06,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:51:06,706 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:06,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash -412284579, now seen corresponding path program 1 times [2024-12-02 15:51:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:06,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654388171] [2024-12-02 15:51:06,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2024-12-02 15:51:10,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:10,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654388171] [2024-12-02 15:51:10,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654388171] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:10,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:10,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733671135] [2024-12-02 15:51:10,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:10,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:10,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:10,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:10,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:10,219 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) [2024-12-02 15:51:14,250 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 [] [2024-12-02 15:51:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:15,048 INFO L93 Difference]: Finished difference Result 15056 states and 21459 transitions. [2024-12-02 15:51:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:15,049 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 [2024-12-02 15:51:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:15,097 INFO L225 Difference]: With dead ends: 15056 [2024-12-02 15:51:15,097 INFO L226 Difference]: Without dead ends: 8508 [2024-12-02 15:51:15,116 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 [2024-12-02 15:51:15,116 INFO L435 NwaCegarLoop]: 3611 mSDtfsCounter, 2102 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:15,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2102 Valid, 5936 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:51:15,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2024-12-02 15:51:15,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8503. [2024-12-02 15:51:15,335 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) [2024-12-02 15:51:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8503 states to 8503 states and 12093 transitions. [2024-12-02 15:51:15,363 INFO L78 Accepts]: Start accepts. Automaton has 8503 states and 12093 transitions. Word has length 355 [2024-12-02 15:51:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:15,364 INFO L471 AbstractCegarLoop]: Abstraction has 8503 states and 12093 transitions. [2024-12-02 15:51:15,364 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) [2024-12-02 15:51:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8503 states and 12093 transitions. [2024-12-02 15:51:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 15:51:15,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:15,378 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] [2024-12-02 15:51:15,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:51:15,379 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:15,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:15,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1626158658, now seen corresponding path program 1 times [2024-12-02 15:51:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:15,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252499403] [2024-12-02 15:51:15,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:15,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-12-02 15:51:19,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:19,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252499403] [2024-12-02 15:51:19,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252499403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:19,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:19,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:19,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308974390] [2024-12-02 15:51:19,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:19,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:19,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:19,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:19,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:19,117 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) [2024-12-02 15:51:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:19,381 INFO L93 Difference]: Finished difference Result 16966 states and 24139 transitions. [2024-12-02 15:51:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:19,381 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 [2024-12-02 15:51:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:19,429 INFO L225 Difference]: With dead ends: 16966 [2024-12-02 15:51:19,429 INFO L226 Difference]: Without dead ends: 8505 [2024-12-02 15:51:19,454 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 [2024-12-02 15:51:19,454 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 [2024-12-02 15:51:19,454 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] [2024-12-02 15:51:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8505 states. [2024-12-02 15:51:19,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8505 to 8505. [2024-12-02 15:51:19,795 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) [2024-12-02 15:51:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8505 states to 8505 states and 12095 transitions. [2024-12-02 15:51:19,832 INFO L78 Accepts]: Start accepts. Automaton has 8505 states and 12095 transitions. Word has length 389 [2024-12-02 15:51:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:19,832 INFO L471 AbstractCegarLoop]: Abstraction has 8505 states and 12095 transitions. [2024-12-02 15:51:19,833 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) [2024-12-02 15:51:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 8505 states and 12095 transitions. [2024-12-02 15:51:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-12-02 15:51:19,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:19,852 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] [2024-12-02 15:51:19,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:51:19,852 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:19,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:19,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1810611082, now seen corresponding path program 1 times [2024-12-02 15:51:19,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:19,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754678818] [2024-12-02 15:51:19,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-12-02 15:51:23,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:23,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754678818] [2024-12-02 15:51:23,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754678818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:23,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:23,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:23,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445149336] [2024-12-02 15:51:23,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:23,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:23,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:23,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:23,576 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) [2024-12-02 15:51:27,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:28,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:28,317 INFO L93 Difference]: Finished difference Result 19304 states and 27444 transitions. [2024-12-02 15:51:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:28,318 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 [2024-12-02 15:51:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:28,381 INFO L225 Difference]: With dead ends: 19304 [2024-12-02 15:51:28,382 INFO L226 Difference]: Without dead ends: 10841 [2024-12-02 15:51:28,410 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 [2024-12-02 15:51:28,411 INFO L435 NwaCegarLoop]: 4159 mSDtfsCounter, 2073 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:28,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 6575 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:51:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10841 states. [2024-12-02 15:51:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10841 to 10836. [2024-12-02 15:51:28,777 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) [2024-12-02 15:51:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10836 states to 10836 states and 15366 transitions. [2024-12-02 15:51:28,833 INFO L78 Accepts]: Start accepts. Automaton has 10836 states and 15366 transitions. Word has length 391 [2024-12-02 15:51:28,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:28,834 INFO L471 AbstractCegarLoop]: Abstraction has 10836 states and 15366 transitions. [2024-12-02 15:51:28,834 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) [2024-12-02 15:51:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 10836 states and 15366 transitions. [2024-12-02 15:51:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-12-02 15:51:28,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:28,853 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] [2024-12-02 15:51:28,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:51:28,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:28,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2064524308, now seen corresponding path program 1 times [2024-12-02 15:51:28,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:28,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596562665] [2024-12-02 15:51:28,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 15:51:32,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:32,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596562665] [2024-12-02 15:51:32,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596562665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:32,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:32,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:32,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115791733] [2024-12-02 15:51:32,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:32,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:32,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:32,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:32,594 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) [2024-12-02 15:51:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:33,041 INFO L93 Difference]: Finished difference Result 21742 states and 30911 transitions. [2024-12-02 15:51:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:33,042 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 [2024-12-02 15:51:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:33,102 INFO L225 Difference]: With dead ends: 21742 [2024-12-02 15:51:33,102 INFO L226 Difference]: Without dead ends: 10948 [2024-12-02 15:51:33,139 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 [2024-12-02 15:51:33,140 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 [2024-12-02 15:51:33,140 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] [2024-12-02 15:51:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10948 states. [2024-12-02 15:51:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10948 to 10850. [2024-12-02 15:51:33,532 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) [2024-12-02 15:51:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 15380 transitions. [2024-12-02 15:51:33,583 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 15380 transitions. Word has length 390 [2024-12-02 15:51:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:33,584 INFO L471 AbstractCegarLoop]: Abstraction has 10850 states and 15380 transitions. [2024-12-02 15:51:33,584 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) [2024-12-02 15:51:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 15380 transitions. [2024-12-02 15:51:33,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2024-12-02 15:51:33,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:33,601 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] [2024-12-02 15:51:33,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:51:33,601 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:33,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash 508267380, now seen corresponding path program 1 times [2024-12-02 15:51:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:33,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281737316] [2024-12-02 15:51:33,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 15:51:37,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:37,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281737316] [2024-12-02 15:51:37,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281737316] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:51:37,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678611677] [2024-12-02 15:51:37,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:37,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:37,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:37,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:51:37,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:51:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:41,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:51:41,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-12-02 15:51:42,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:51:42,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678611677] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:42,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:51:42,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:51:42,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218326277] [2024-12-02 15:51:42,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:42,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:42,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:42,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:42,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:42,067 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) [2024-12-02 15:51:42,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:42,249 INFO L93 Difference]: Finished difference Result 10860 states and 15396 transitions. [2024-12-02 15:51:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:42,250 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 [2024-12-02 15:51:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:42,298 INFO L225 Difference]: With dead ends: 10860 [2024-12-02 15:51:42,298 INFO L226 Difference]: Without dead ends: 10857 [2024-12-02 15:51:42,306 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 [2024-12-02 15:51:42,307 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 [2024-12-02 15:51:42,308 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] [2024-12-02 15:51:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10857 states. [2024-12-02 15:51:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10857 to 10857. [2024-12-02 15:51:42,708 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) [2024-12-02 15:51:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10857 states to 10857 states and 15387 transitions. [2024-12-02 15:51:42,764 INFO L78 Accepts]: Start accepts. Automaton has 10857 states and 15387 transitions. Word has length 398 [2024-12-02 15:51:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:42,765 INFO L471 AbstractCegarLoop]: Abstraction has 10857 states and 15387 transitions. [2024-12-02 15:51:42,765 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) [2024-12-02 15:51:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 10857 states and 15387 transitions. [2024-12-02 15:51:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-12-02 15:51:42,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:42,783 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] [2024-12-02 15:51:42,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:51:42,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 15:51:42,984 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:42,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1704704871, now seen corresponding path program 1 times [2024-12-02 15:51:42,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:42,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719639286] [2024-12-02 15:51:42,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:42,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 15:51:46,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719639286] [2024-12-02 15:51:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719639286] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:51:46,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166131599] [2024-12-02 15:51:46,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:46,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:46,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:51:46,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:51:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:50,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 3916 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:51:50,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:51:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-12-02 15:51:51,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:51:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 15:51:53,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166131599] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:51:53,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:51:53,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 15:51:53,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403803855] [2024-12-02 15:51:53,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:51:53,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:51:53,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:53,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:51:53,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:53,020 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) [2024-12-02 15:51:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:53,693 INFO L93 Difference]: Finished difference Result 22008 states and 31289 transitions. [2024-12-02 15:51:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:51:53,694 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 [2024-12-02 15:51:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:53,747 INFO L225 Difference]: With dead ends: 22008 [2024-12-02 15:51:53,747 INFO L226 Difference]: Without dead ends: 11193 [2024-12-02 15:51:53,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:53,773 INFO L435 NwaCegarLoop]: 2477 mSDtfsCounter, 59 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:53,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 9872 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:51:53,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11193 states. [2024-12-02 15:51:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11193 to 11193. [2024-12-02 15:51:54,011 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) [2024-12-02 15:51:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11193 states to 11193 states and 15849 transitions. [2024-12-02 15:51:54,048 INFO L78 Accepts]: Start accepts. Automaton has 11193 states and 15849 transitions. Word has length 400 [2024-12-02 15:51:54,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:54,048 INFO L471 AbstractCegarLoop]: Abstraction has 11193 states and 15849 transitions. [2024-12-02 15:51:54,049 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) [2024-12-02 15:51:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 11193 states and 15849 transitions. [2024-12-02 15:51:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-02 15:51:54,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:54,059 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] [2024-12-02 15:51:54,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:51:54,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 15:51:54,259 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:51:54,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1612899221, now seen corresponding path program 1 times [2024-12-02 15:51:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:54,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886742794] [2024-12-02 15:51:54,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:54,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2024-12-02 15:51:58,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:58,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886742794] [2024-12-02 15:51:58,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886742794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:51:58,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781906475] [2024-12-02 15:51:58,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:58,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:51:58,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:51:58,998 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:51:58,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:52:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:03,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:52:03,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-12-02 15:52:03,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781906475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:03,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:52:03,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-12-02 15:52:03,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200256385] [2024-12-02 15:52:03,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:03,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:03,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:03,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:03,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:52:03,806 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) [2024-12-02 15:52:07,833 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 [] [2024-12-02 15:52:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:08,648 INFO L93 Difference]: Finished difference Result 24582 states and 34808 transitions. [2024-12-02 15:52:08,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:52:08,649 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 [2024-12-02 15:52:08,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:08,700 INFO L225 Difference]: With dead ends: 24582 [2024-12-02 15:52:08,700 INFO L226 Difference]: Without dead ends: 13431 [2024-12-02 15:52:08,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:52:08,729 INFO L435 NwaCegarLoop]: 4582 mSDtfsCounter, 2181 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:08,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 16177 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 15:52:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13431 states. [2024-12-02 15:52:08,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13431 to 11195. [2024-12-02 15:52:08,996 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) [2024-12-02 15:52:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11195 states to 11195 states and 15850 transitions. [2024-12-02 15:52:09,037 INFO L78 Accepts]: Start accepts. Automaton has 11195 states and 15850 transitions. Word has length 406 [2024-12-02 15:52:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:09,037 INFO L471 AbstractCegarLoop]: Abstraction has 11195 states and 15850 transitions. [2024-12-02 15:52:09,037 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) [2024-12-02 15:52:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 11195 states and 15850 transitions. [2024-12-02 15:52:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-12-02 15:52:09,051 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:09,051 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] [2024-12-02 15:52:09,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:52:09,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 15:52:09,252 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:09,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:09,252 INFO L85 PathProgramCache]: Analyzing trace with hash 948466390, now seen corresponding path program 1 times [2024-12-02 15:52:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:09,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479646201] [2024-12-02 15:52:09,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-12-02 15:52:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479646201] [2024-12-02 15:52:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479646201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:12,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:52:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608760797] [2024-12-02 15:52:12,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:12,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:52:12,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:12,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:52:12,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:52:12,701 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) [2024-12-02 15:52:12,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:12,949 INFO L93 Difference]: Finished difference Result 22354 states and 31657 transitions. [2024-12-02 15:52:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:52:12,950 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 [2024-12-02 15:52:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:12,987 INFO L225 Difference]: With dead ends: 22354 [2024-12-02 15:52:12,988 INFO L226 Difference]: Without dead ends: 11201 [2024-12-02 15:52:13,013 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 [2024-12-02 15:52:13,013 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 [2024-12-02 15:52:13,013 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] [2024-12-02 15:52:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11201 states. [2024-12-02 15:52:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11201 to 11197. [2024-12-02 15:52:13,306 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) [2024-12-02 15:52:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11197 states to 11197 states and 15852 transitions. [2024-12-02 15:52:13,341 INFO L78 Accepts]: Start accepts. Automaton has 11197 states and 15852 transitions. Word has length 441 [2024-12-02 15:52:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:13,341 INFO L471 AbstractCegarLoop]: Abstraction has 11197 states and 15852 transitions. [2024-12-02 15:52:13,341 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) [2024-12-02 15:52:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 11197 states and 15852 transitions. [2024-12-02 15:52:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2024-12-02 15:52:13,355 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:13,355 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] [2024-12-02 15:52:13,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:52:13,356 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:13,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash -866318286, now seen corresponding path program 1 times [2024-12-02 15:52:13,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:13,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608407630] [2024-12-02 15:52:13,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-12-02 15:52:17,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:17,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608407630] [2024-12-02 15:52:17,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608407630] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:17,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152465900] [2024-12-02 15:52:17,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:17,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:52:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:52:17,175 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:52:17,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:52:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:21,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 4577 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:52:21,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-12-02 15:52:21,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152465900] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:21,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:52:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:52:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321200824] [2024-12-02 15:52:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:21,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:52:21,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:21,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:52:21,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:21,936 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) [2024-12-02 15:52:22,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:22,189 INFO L93 Difference]: Finished difference Result 22376 states and 31691 transitions. [2024-12-02 15:52:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:52:22,190 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 [2024-12-02 15:52:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:22,226 INFO L225 Difference]: With dead ends: 22376 [2024-12-02 15:52:22,226 INFO L226 Difference]: Without dead ends: 11221 [2024-12-02 15:52:22,249 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 [2024-12-02 15:52:22,250 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 [2024-12-02 15:52:22,250 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] [2024-12-02 15:52:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11221 states. [2024-12-02 15:52:22,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11221 to 11199. [2024-12-02 15:52:22,561 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) [2024-12-02 15:52:22,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11199 states to 11199 states and 15854 transitions. [2024-12-02 15:52:22,595 INFO L78 Accepts]: Start accepts. Automaton has 11199 states and 15854 transitions. Word has length 446 [2024-12-02 15:52:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:22,596 INFO L471 AbstractCegarLoop]: Abstraction has 11199 states and 15854 transitions. [2024-12-02 15:52:22,596 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) [2024-12-02 15:52:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 11199 states and 15854 transitions. [2024-12-02 15:52:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-12-02 15:52:22,609 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:22,609 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] [2024-12-02 15:52:22,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:52:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:52:22,809 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:22,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1334969106, now seen corresponding path program 1 times [2024-12-02 15:52:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778760946] [2024-12-02 15:52:22,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-12-02 15:52:26,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:26,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778760946] [2024-12-02 15:52:26,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778760946] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:26,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576888929] [2024-12-02 15:52:26,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:52:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:52:26,263 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:52:26,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:52:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:31,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 4713 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:52:31,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-12-02 15:52:31,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:52:31,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576888929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:31,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:52:31,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:52:31,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705609645] [2024-12-02 15:52:31,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:31,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:52:31,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:31,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:52:31,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:31,800 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) [2024-12-02 15:52:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:32,783 INFO L93 Difference]: Finished difference Result 28410 states and 40211 transitions. [2024-12-02 15:52:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:52:32,784 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 [2024-12-02 15:52:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:32,843 INFO L225 Difference]: With dead ends: 28410 [2024-12-02 15:52:32,843 INFO L226 Difference]: Without dead ends: 17253 [2024-12-02 15:52:32,871 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 [2024-12-02 15:52:32,871 INFO L435 NwaCegarLoop]: 2523 mSDtfsCounter, 2013 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:32,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 4811 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:52:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17253 states. [2024-12-02 15:52:33,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17253 to 17238. [2024-12-02 15:52:33,315 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) [2024-12-02 15:52:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17238 states to 17238 states and 24294 transitions. [2024-12-02 15:52:33,369 INFO L78 Accepts]: Start accepts. Automaton has 17238 states and 24294 transitions. Word has length 479 [2024-12-02 15:52:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:33,370 INFO L471 AbstractCegarLoop]: Abstraction has 17238 states and 24294 transitions. [2024-12-02 15:52:33,370 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) [2024-12-02 15:52:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 17238 states and 24294 transitions. [2024-12-02 15:52:33,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-12-02 15:52:33,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:33,386 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] [2024-12-02 15:52:33,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:52:33,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 15:52:33,587 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:33,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1271764419, now seen corresponding path program 1 times [2024-12-02 15:52:33,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:33,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731188007] [2024-12-02 15:52:33,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-12-02 15:52:36,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731188007] [2024-12-02 15:52:36,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731188007] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201938382] [2024-12-02 15:52:36,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:36,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:52:36,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:52:36,971 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:52:36,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:52:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:41,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:52:41,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:52:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2024-12-02 15:52:42,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:52:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-12-02 15:52:44,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201938382] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:52:44,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:52:44,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 15:52:44,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096852635] [2024-12-02 15:52:44,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:52:44,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:52:44,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:44,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:52:44,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:52:44,365 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) [2024-12-02 15:52:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:44,841 INFO L93 Difference]: Finished difference Result 34461 states and 48573 transitions. [2024-12-02 15:52:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:52:44,842 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 [2024-12-02 15:52:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:44,898 INFO L225 Difference]: With dead ends: 34461 [2024-12-02 15:52:44,898 INFO L226 Difference]: Without dead ends: 17265 [2024-12-02 15:52:44,934 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 [2024-12-02 15:52:44,935 INFO L435 NwaCegarLoop]: 2480 mSDtfsCounter, 4 mSDsluCounter, 7428 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:44,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9908 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:52:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17265 states. [2024-12-02 15:52:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17265 to 17265. [2024-12-02 15:52:45,403 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) [2024-12-02 15:52:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 24321 transitions. [2024-12-02 15:52:45,454 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 24321 transitions. Word has length 478 [2024-12-02 15:52:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:45,455 INFO L471 AbstractCegarLoop]: Abstraction has 17265 states and 24321 transitions. [2024-12-02 15:52:45,455 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) [2024-12-02 15:52:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 24321 transitions. [2024-12-02 15:52:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-12-02 15:52:45,470 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:45,470 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] [2024-12-02 15:52:45,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:52:45,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 15:52:45,670 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:45,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1312175417, now seen corresponding path program 2 times [2024-12-02 15:52:45,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:45,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567403781] [2024-12-02 15:52:45,671 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:52:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:48,695 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 15:52:48,696 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:52:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-12-02 15:52:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:49,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567403781] [2024-12-02 15:52:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567403781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:49,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:52:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308817585] [2024-12-02 15:52:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:49,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:49,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:49,114 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) [2024-12-02 15:52:49,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:49,584 INFO L93 Difference]: Finished difference Result 34512 states and 48699 transitions. [2024-12-02 15:52:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:52:49,584 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 [2024-12-02 15:52:49,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:49,640 INFO L225 Difference]: With dead ends: 34512 [2024-12-02 15:52:49,640 INFO L226 Difference]: Without dead ends: 17289 [2024-12-02 15:52:49,675 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 [2024-12-02 15:52:49,676 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 [2024-12-02 15:52:49,676 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] [2024-12-02 15:52:49,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17289 states. [2024-12-02 15:52:50,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17289 to 17265. [2024-12-02 15:52:50,062 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) [2024-12-02 15:52:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17265 states to 17265 states and 24297 transitions. [2024-12-02 15:52:50,128 INFO L78 Accepts]: Start accepts. Automaton has 17265 states and 24297 transitions. Word has length 487 [2024-12-02 15:52:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:50,129 INFO L471 AbstractCegarLoop]: Abstraction has 17265 states and 24297 transitions. [2024-12-02 15:52:50,129 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) [2024-12-02 15:52:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 17265 states and 24297 transitions. [2024-12-02 15:52:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2024-12-02 15:52:50,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:50,147 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] [2024-12-02 15:52:50,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:52:50,147 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:50,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:50,148 INFO L85 PathProgramCache]: Analyzing trace with hash -972597974, now seen corresponding path program 1 times [2024-12-02 15:52:50,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:50,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405372013] [2024-12-02 15:52:50,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:50,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2024-12-02 15:52:53,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:53,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405372013] [2024-12-02 15:52:53,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405372013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:53,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:53,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:52:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741269413] [2024-12-02 15:52:53,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:53,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:53,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:53,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:53,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:53,697 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) [2024-12-02 15:52:54,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:54,086 INFO L93 Difference]: Finished difference Result 34520 states and 48593 transitions. [2024-12-02 15:52:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:52:54,087 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 [2024-12-02 15:52:54,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:54,146 INFO L225 Difference]: With dead ends: 34520 [2024-12-02 15:52:54,147 INFO L226 Difference]: Without dead ends: 17297 [2024-12-02 15:52:54,183 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 [2024-12-02 15:52:54,184 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 [2024-12-02 15:52:54,184 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] [2024-12-02 15:52:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17297 states. [2024-12-02 15:52:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17297 to 17277. [2024-12-02 15:52:54,565 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) [2024-12-02 15:52:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17277 states to 17277 states and 24316 transitions. [2024-12-02 15:52:54,632 INFO L78 Accepts]: Start accepts. Automaton has 17277 states and 24316 transitions. Word has length 489 [2024-12-02 15:52:54,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:54,633 INFO L471 AbstractCegarLoop]: Abstraction has 17277 states and 24316 transitions. [2024-12-02 15:52:54,633 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) [2024-12-02 15:52:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 17277 states and 24316 transitions. [2024-12-02 15:52:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2024-12-02 15:52:54,651 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:54,651 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] [2024-12-02 15:52:54,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:52:54,651 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:52:54,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:54,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1285382396, now seen corresponding path program 1 times [2024-12-02 15:52:54,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:54,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132969550] [2024-12-02 15:52:54,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2024-12-02 15:52:58,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:58,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132969550] [2024-12-02 15:52:58,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132969550] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:52:58,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317414645] [2024-12-02 15:52:58,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:58,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:52:58,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:52:58,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:52:58,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:53:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:03,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 4816 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:53:03,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 192 proven. 22 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2024-12-02 15:53:03,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:53:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-12-02 15:53:06,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317414645] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:53:06,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:53:06,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 10 [2024-12-02 15:53:06,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378447014] [2024-12-02 15:53:06,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:53:06,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:53:06,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:06,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:53:06,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:53:06,302 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) [2024-12-02 15:53:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:06,870 INFO L93 Difference]: Finished difference Result 34611 states and 48737 transitions. [2024-12-02 15:53:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:53:06,871 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 [2024-12-02 15:53:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:06,936 INFO L225 Difference]: With dead ends: 34611 [2024-12-02 15:53:06,936 INFO L226 Difference]: Without dead ends: 17376 [2024-12-02 15:53:06,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 970 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:53:06,975 INFO L435 NwaCegarLoop]: 2475 mSDtfsCounter, 32 mSDsluCounter, 4953 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:06,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 7428 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:53:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17376 states. [2024-12-02 15:53:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17376 to 17325. [2024-12-02 15:53:07,342 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) [2024-12-02 15:53:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17325 states to 17325 states and 24382 transitions. [2024-12-02 15:53:07,406 INFO L78 Accepts]: Start accepts. Automaton has 17325 states and 24382 transitions. Word has length 490 [2024-12-02 15:53:07,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:07,407 INFO L471 AbstractCegarLoop]: Abstraction has 17325 states and 24382 transitions. [2024-12-02 15:53:07,407 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) [2024-12-02 15:53:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 17325 states and 24382 transitions. [2024-12-02 15:53:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-12-02 15:53:07,423 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:07,423 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] [2024-12-02 15:53:07,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:53:07,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:07,624 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:07,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:07,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1977984085, now seen corresponding path program 1 times [2024-12-02 15:53:07,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:07,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799133252] [2024-12-02 15:53:07,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:07,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2024-12-02 15:53:11,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799133252] [2024-12-02 15:53:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799133252] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:53:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316618939] [2024-12-02 15:53:11,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:53:11,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:53:11,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 15:53:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:16,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 5027 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:53:16,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2024-12-02 15:53:16,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:53:16,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316618939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:16,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:53:16,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-12-02 15:53:16,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847437141] [2024-12-02 15:53:16,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:16,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:53:16,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:16,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:53:16,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:16,539 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) [2024-12-02 15:53:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:16,867 INFO L93 Difference]: Finished difference Result 34608 states and 48862 transitions. [2024-12-02 15:53:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:53:16,867 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 [2024-12-02 15:53:16,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:16,931 INFO L225 Difference]: With dead ends: 34608 [2024-12-02 15:53:16,931 INFO L226 Difference]: Without dead ends: 17325 [2024-12-02 15:53:16,971 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 [2024-12-02 15:53:16,971 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 [2024-12-02 15:53:16,972 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] [2024-12-02 15:53:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17325 states. [2024-12-02 15:53:17,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17325 to 17325. [2024-12-02 15:53:17,331 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) [2024-12-02 15:53:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17325 states to 17325 states and 24369 transitions. [2024-12-02 15:53:17,396 INFO L78 Accepts]: Start accepts. Automaton has 17325 states and 24369 transitions. Word has length 527 [2024-12-02 15:53:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:17,396 INFO L471 AbstractCegarLoop]: Abstraction has 17325 states and 24369 transitions. [2024-12-02 15:53:17,396 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) [2024-12-02 15:53:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 17325 states and 24369 transitions. [2024-12-02 15:53:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-12-02 15:53:17,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:17,414 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] [2024-12-02 15:53:17,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-02 15:53:17,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:17,614 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:17,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:17,615 INFO L85 PathProgramCache]: Analyzing trace with hash 615947407, now seen corresponding path program 1 times [2024-12-02 15:53:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:17,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254656182] [2024-12-02 15:53:17,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2024-12-02 15:53:21,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254656182] [2024-12-02 15:53:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254656182] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:21,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:21,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:53:21,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535221955] [2024-12-02 15:53:21,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:21,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:53:21,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:21,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:53:21,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:21,236 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) [2024-12-02 15:53:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:21,584 INFO L93 Difference]: Finished difference Result 34611 states and 48693 transitions. [2024-12-02 15:53:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:53:21,585 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 [2024-12-02 15:53:21,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:21,739 INFO L225 Difference]: With dead ends: 34611 [2024-12-02 15:53:21,739 INFO L226 Difference]: Without dead ends: 17328 [2024-12-02 15:53:21,767 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 [2024-12-02 15:53:21,768 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 [2024-12-02 15:53:21,768 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] [2024-12-02 15:53:21,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2024-12-02 15:53:22,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 17328. [2024-12-02 15:53:22,118 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) [2024-12-02 15:53:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17328 states to 17328 states and 24372 transitions. [2024-12-02 15:53:22,182 INFO L78 Accepts]: Start accepts. Automaton has 17328 states and 24372 transitions. Word has length 529 [2024-12-02 15:53:22,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:22,183 INFO L471 AbstractCegarLoop]: Abstraction has 17328 states and 24372 transitions. [2024-12-02 15:53:22,183 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) [2024-12-02 15:53:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 17328 states and 24372 transitions. [2024-12-02 15:53:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2024-12-02 15:53:22,199 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:22,199 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] [2024-12-02 15:53:22,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:53:22,199 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:53:22,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:22,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1739773446, now seen corresponding path program 1 times [2024-12-02 15:53:22,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:22,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024205667] [2024-12-02 15:53:22,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2024-12-02 15:53:26,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024205667] [2024-12-02 15:53:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024205667] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:53:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775337893] [2024-12-02 15:53:26,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:26,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:53:26,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:53:26,969 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:53:26,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfb46f-b21d-4e3c-bb47-fad1d9716a0a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 15:53:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:32,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 5034 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 15:53:32,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:53:32,791 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 [2024-12-02 15:53:32,984 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 [2024-12-02 15:53:34,668 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-02 15:53:34,668 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 [2024-12-02 15:53:34,694 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 [2024-12-02 15:53:35,473 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 [2024-12-02 15:53:35,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 15:53:35,568 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 [2024-12-02 15:53:35,675 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-12-02 15:53:35,676 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 [2024-12-02 15:53:35,833 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 [2024-12-02 15:53:35,884 WARN L873 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= |c_#memory_int#13| (store |c_old(#memory_int#13)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0)))) is different from true [2024-12-02 15:53:35,926 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 [2024-12-02 15:53:36,138 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#13| (store |c_old(#memory_int#13)| |#Ultimate.meminit_#ptr.base| .cse0))) (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= .cse0 (select |c_#memory_int#13| |#Ultimate.meminit_#ptr.base|))))) is different from true [2024-12-02 15:53:36,253 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-12-02 15:53:36,253 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 [2024-12-02 15:53:36,483 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 [2024-12-02 15:53:36,564 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 [2024-12-02 15:53:36,753 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-12-02 15:53:36,753 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 [2024-12-02 15:53:37,223 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 [2024-12-02 15:53:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 530 proven. 29 refuted. 0 times theorem prover too weak. 581 trivial. 28 not checked. [2024-12-02 15:53:37,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:53:39,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775337893] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:53:39,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:53:39,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 22] total 26 [2024-12-02 15:53:39,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502817172] [2024-12-02 15:53:39,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:53:39,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 15:53:39,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:39,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 15:53:39,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=619, Unknown=2, NotChecked=102, Total=812 [2024-12-02 15:53:39,971 INFO L87 Difference]: Start difference. First operand 17328 states and 24372 transitions. Second operand has 26 states, 24 states have (on average 12.916666666666666) internal successors, (310), 21 states have internal predecessors, (310), 10 states have call successors, (86), 7 states have call predecessors, (86), 11 states have return successors, (82), 10 states have call predecessors, (82), 10 states have call successors, (82) [2024-12-02 15:53:44,001 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 [] [2024-12-02 15:53:48,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:52,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:56,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:00,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:04,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:08,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:12,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:16,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:20,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:24,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:28,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:32,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:36,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:40,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:44,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:53,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:54:58,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:09,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:13,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:17,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:22,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:26,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:32,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:37,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:45,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:50,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:55:55,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:00,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:07,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:12,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:24,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:29,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:34,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:39,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:42,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:51,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:56:55,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:10,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:15,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:19,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:26,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:31,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:36,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:48,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:57:57,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:04,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:08,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:13,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:18,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:23,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:41,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:58:50,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:06,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:11,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:16,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:21,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:27,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:36,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:41,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:46,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:51,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:59:56,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:04,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:10,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:22,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:29,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:35,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:41,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:46,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:52,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:00:56,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:16,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:21,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:27,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:31,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:41,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:01:45,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:02:05,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:02:09,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:02:19,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:02:39,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:02:55,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:03:03,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:03:30,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:03:36,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:03:41,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:04:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 16:04:34,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]