./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/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 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:01:50,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:01:50,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:01:51,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:01:51,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:01:51,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:01:51,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:01:51,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:01:51,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:01:51,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:01:51,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:01:51,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:01:51,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:01:51,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:01:51,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:01:51,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:01:51,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:01:51,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:01:51,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:01:51,024 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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/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 -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2024-12-02 06:01:51,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:01:51,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:01:51,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:01:51,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:01:51,238 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:01:51,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 06:01:53,865 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/data/cd50ffe5f/462f888198d24cb78e56b5562b8ace6b/FLAGfc50341d2 [2024-12-02 06:01:54,295 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:01:54,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 06:01:54,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/data/cd50ffe5f/462f888198d24cb78e56b5562b8ace6b/FLAGfc50341d2 [2024-12-02 06:01:54,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/data/cd50ffe5f/462f888198d24cb78e56b5562b8ace6b [2024-12-02 06:01:54,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:01:54,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:01:54,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:01:54,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:01:54,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:01:54,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:01:54" (1/1) ... [2024-12-02 06:01:54,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25793625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:54, skipping insertion in model container [2024-12-02 06:01:54,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:01:54" (1/1) ... [2024-12-02 06:01:54,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:01:56,673 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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2024-12-02 06:01:56,675 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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2024-12-02 06:01:56,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:01:56,722 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:01:56,787 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"); [5299] [2024-12-02 06:01:56,788 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)); [5306] [2024-12-02 06:01:56,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5313] [2024-12-02 06:01:56,790 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5352-5353] [2024-12-02 06:01:56,791 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.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5358-5360] [2024-12-02 06:01:56,791 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5385-5386] [2024-12-02 06:01:56,791 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5391-5393] [2024-12-02 06:01:56,792 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5417-5418] [2024-12-02 06:01:56,792 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5423-5425] [2024-12-02 06:01:56,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5565] [2024-12-02 06:01:56,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5573] [2024-12-02 06:01:56,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5581] [2024-12-02 06:01:56,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5588] [2024-12-02 06:01:56,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5595] [2024-12-02 06:01:56,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5602] [2024-12-02 06:01:56,800 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)); [5697-5698] [2024-12-02 06:01:56,802 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)); [5731-5732] [2024-12-02 06:01:56,807 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" (502), "i" (12UL)); [5969-5970] [2024-12-02 06:01:56,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5976] [2024-12-02 06:01:56,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6673] [2024-12-02 06:01:56,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7129] [2024-12-02 06:01:56,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7721] [2024-12-02 06:01:56,996 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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2024-12-02 06:01:56,997 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_3b18fe90-baed-45cf-bb91-16d9d7aa5408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2024-12-02 06:01:57,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:01:57,212 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:01:57,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57 WrapperNode [2024-12-02 06:01:57,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:01:57,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:01:57,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:01:57,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:01:57,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:57,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:57,429 INFO L138 Inliner]: procedures = 453, calls = 1916, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 5209 [2024-12-02 06:01:57,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:01:57,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:01:57,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:01:57,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:01:57,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:57,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:57,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,210 INFO L175 MemorySlicer]: Split 746 memory accesses to 19 slices as follows [1, 3, 2, 4, 3, 5, 5, 2, 9, 2, 9, 9, 604, 6, 4, 52, 17, 3, 6]. 81 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [1, 0, 0, 4, 3, 5, 5, 2, 8, 0, 8, 8, 6, 0, 0, 0, 0, 1, 6]. The 362 writes are split as follows [0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 307, 2, 2, 42, 7, 0, 0]. [2024-12-02 06:01:58,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:01:58,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:01:58,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:01:58,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:01:58,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (1/1) ... [2024-12-02 06:01:58,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:01:58,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:01:58,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:01:58,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:01:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:01:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 06:01:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 06:01:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2024-12-02 06:01:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2024-12-02 06:01:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 06:01:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2024-12-02 06:01:58,429 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:01:58,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2024-12-02 06:01:58,429 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:01:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2024-12-02 06:01:58,430 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:01:58,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:01:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 06:01:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 06:01:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 06:01:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:01:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:01:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2024-12-02 06:01:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-12-02 06:01:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:01:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 06:01:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:01:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:01:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-12-02 06:01:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-12-02 06:01:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 06:01:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 06:01:58,434 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2024-12-02 06:01:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 06:01:58,435 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 06:01:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-12-02 06:01:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:01:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2024-12-02 06:01:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 06:01:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 06:01:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 06:01:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 06:01:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 06:01:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 06:01:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-02 06:01:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 06:01:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:01:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2024-12-02 06:01:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2024-12-02 06:01:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 06:01:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 06:01:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2024-12-02 06:01:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 06:01:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 06:01:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 06:01:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-12-02 06:01:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 06:01:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 06:01:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 06:01:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:01:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-12-02 06:01:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2024-12-02 06:01:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:01:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:01:59,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:01:59,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:01:59,294 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:02:09,630 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:02:10,499 INFO L? ?]: Removed 2398 outVars from TransFormulas that were not future-live. [2024-12-02 06:02:10,499 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:02:10,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:02:10,535 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 06:02:10,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:10 BoogieIcfgContainer [2024-12-02 06:02:10,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:02:10,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:02:10,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:02:10,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:02:10,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:01:54" (1/3) ... [2024-12-02 06:02:10,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae4a435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:10, skipping insertion in model container [2024-12-02 06:02:10,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:01:57" (2/3) ... [2024-12-02 06:02:10,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae4a435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:10, skipping insertion in model container [2024-12-02 06:02:10,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:10" (3/3) ... [2024-12-02 06:02:10,544 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2024-12-02 06:02:10,557 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:02:10,562 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i that has 100 procedures, 2078 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-02 06:02:10,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:02:10,661 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;@f232fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:02:10,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:02:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 2076 states, 1439 states have (on average 1.3002084781097984) internal successors, (1871), 1465 states have internal predecessors, (1871), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2024-12-02 06:02:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 06:02:10,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:10,699 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:10,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:10,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:10,704 INFO L85 PathProgramCache]: Analyzing trace with hash 919223429, now seen corresponding path program 1 times [2024-12-02 06:02:10,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:10,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259339986] [2024-12-02 06:02:10,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-12-02 06:02:15,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:15,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259339986] [2024-12-02 06:02:15,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259339986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:15,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:15,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:02:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063208933] [2024-12-02 06:02:15,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:15,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:02:15,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:15,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:02:15,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:02:15,103 INFO L87 Difference]: Start difference. First operand has 2076 states, 1439 states have (on average 1.3002084781097984) internal successors, (1871), 1465 states have internal predecessors, (1871), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 06:02:19,159 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 06:02:28,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:28,301 INFO L93 Difference]: Finished difference Result 6998 states and 10122 transitions. [2024-12-02 06:02:28,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:02:28,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 225 [2024-12-02 06:02:28,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:28,342 INFO L225 Difference]: With dead ends: 6998 [2024-12-02 06:02:28,342 INFO L226 Difference]: Without dead ends: 4861 [2024-12-02 06:02:28,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:02:28,360 INFO L435 NwaCegarLoop]: 2931 mSDtfsCounter, 11972 mSDsluCounter, 5965 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 4064 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11972 SdHoareTripleChecker+Valid, 8896 SdHoareTripleChecker+Invalid, 5225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4064 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:28,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11972 Valid, 8896 Invalid, 5225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4064 Valid, 1160 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2024-12-02 06:02:28,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2024-12-02 06:02:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 4855. [2024-12-02 06:02:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4855 states, 3450 states have (on average 1.278840579710145) internal successors, (4412), 3507 states have internal predecessors, (4412), 1151 states have call successors, (1151), 253 states have call predecessors, (1151), 253 states have return successors, (1151), 1136 states have call predecessors, (1151), 1151 states have call successors, (1151) [2024-12-02 06:02:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 6714 transitions. [2024-12-02 06:02:28,652 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 6714 transitions. Word has length 225 [2024-12-02 06:02:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:28,653 INFO L471 AbstractCegarLoop]: Abstraction has 4855 states and 6714 transitions. [2024-12-02 06:02:28,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 06:02:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 6714 transitions. [2024-12-02 06:02:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 06:02:28,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:28,664 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 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] [2024-12-02 06:02:28,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:02:28,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:28,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:28,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1342893041, now seen corresponding path program 1 times [2024-12-02 06:02:28,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:28,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091705320] [2024-12-02 06:02:28,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:28,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-12-02 06:02:31,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:31,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091705320] [2024-12-02 06:02:31,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091705320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:31,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:31,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:02:31,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248700985] [2024-12-02 06:02:31,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:31,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:02:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:31,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:02:31,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:02:31,441 INFO L87 Difference]: Start difference. First operand 4855 states and 6714 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:02:35,486 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 06:02:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:36,445 INFO L93 Difference]: Finished difference Result 12802 states and 17691 transitions. [2024-12-02 06:02:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:02:36,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 239 [2024-12-02 06:02:36,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:36,501 INFO L225 Difference]: With dead ends: 12802 [2024-12-02 06:02:36,501 INFO L226 Difference]: Without dead ends: 7972 [2024-12-02 06:02:36,526 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 06:02:36,526 INFO L435 NwaCegarLoop]: 2960 mSDtfsCounter, 2360 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:36,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 5714 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:02:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2024-12-02 06:02:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 7967. [2024-12-02 06:02:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7967 states, 5627 states have (on average 1.2788341922871869) internal successors, (7196), 5727 states have internal predecessors, (7196), 1897 states have call successors, (1897), 442 states have call predecessors, (1897), 442 states have return successors, (1900), 1867 states have call predecessors, (1900), 1897 states have call successors, (1900) [2024-12-02 06:02:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7967 states to 7967 states and 10993 transitions. [2024-12-02 06:02:36,912 INFO L78 Accepts]: Start accepts. Automaton has 7967 states and 10993 transitions. Word has length 239 [2024-12-02 06:02:36,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:36,913 INFO L471 AbstractCegarLoop]: Abstraction has 7967 states and 10993 transitions. [2024-12-02 06:02:36,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:02:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7967 states and 10993 transitions. [2024-12-02 06:02:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 06:02:36,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:36,928 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 3, 3, 3, 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] [2024-12-02 06:02:36,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:02:36,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:36,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1621205564, now seen corresponding path program 1 times [2024-12-02 06:02:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:36,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141523416] [2024-12-02 06:02:36,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:36,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2024-12-02 06:02:40,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:40,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141523416] [2024-12-02 06:02:40,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141523416] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:40,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:40,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:02:40,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279065326] [2024-12-02 06:02:40,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:40,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:02:40,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:40,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:02:40,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:02:40,243 INFO L87 Difference]: Start difference. First operand 7967 states and 10993 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 06:02:44,283 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 06:02:45,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:45,068 INFO L93 Difference]: Finished difference Result 17659 states and 24380 transitions. [2024-12-02 06:02:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:02:45,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 312 [2024-12-02 06:02:45,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:45,128 INFO L225 Difference]: With dead ends: 17659 [2024-12-02 06:02:45,129 INFO L226 Difference]: Without dead ends: 9717 [2024-12-02 06:02:45,161 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 06:02:45,162 INFO L435 NwaCegarLoop]: 4667 mSDtfsCounter, 1841 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 7445 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:45,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 7445 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:02:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9717 states. [2024-12-02 06:02:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9717 to 9713. [2024-12-02 06:02:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9713 states, 6898 states have (on average 1.2812409394027253) internal successors, (8838), 7020 states have internal predecessors, (8838), 2275 states have call successors, (2275), 539 states have call predecessors, (2275), 539 states have return successors, (2278), 2239 states have call predecessors, (2278), 2275 states have call successors, (2278) [2024-12-02 06:02:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9713 states to 9713 states and 13391 transitions. [2024-12-02 06:02:45,476 INFO L78 Accepts]: Start accepts. Automaton has 9713 states and 13391 transitions. Word has length 312 [2024-12-02 06:02:45,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:45,476 INFO L471 AbstractCegarLoop]: Abstraction has 9713 states and 13391 transitions. [2024-12-02 06:02:45,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 06:02:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 9713 states and 13391 transitions. [2024-12-02 06:02:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-12-02 06:02:45,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:45,490 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:45,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:02:45,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:45,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1530565464, now seen corresponding path program 1 times [2024-12-02 06:02:45,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:45,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330884577] [2024-12-02 06:02:45,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2024-12-02 06:02:48,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:48,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330884577] [2024-12-02 06:02:48,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330884577] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:48,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:48,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:02:48,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092133279] [2024-12-02 06:02:48,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:48,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:02:48,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:48,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:02:48,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:02:48,402 INFO L87 Difference]: Start difference. First operand 9713 states and 13391 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 06:02:52,434 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 06:02:53,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:53,378 INFO L93 Difference]: Finished difference Result 21818 states and 30105 transitions. [2024-12-02 06:02:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:02:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 386 [2024-12-02 06:02:53,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:53,445 INFO L225 Difference]: With dead ends: 21818 [2024-12-02 06:02:53,445 INFO L226 Difference]: Without dead ends: 12130 [2024-12-02 06:02:53,467 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 06:02:53,468 INFO L435 NwaCegarLoop]: 4817 mSDtfsCounter, 2289 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 7362 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:53,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 7362 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:02:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12130 states. [2024-12-02 06:02:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12130 to 12126. [2024-12-02 06:02:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12126 states, 8606 states have (on average 1.2817801533813618) internal successors, (11031), 8756 states have internal predecessors, (11031), 2843 states have call successors, (2843), 676 states have call predecessors, (2843), 676 states have return successors, (2846), 2800 states have call predecessors, (2846), 2843 states have call successors, (2846) [2024-12-02 06:02:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12126 states to 12126 states and 16720 transitions. [2024-12-02 06:02:54,016 INFO L78 Accepts]: Start accepts. Automaton has 12126 states and 16720 transitions. Word has length 386 [2024-12-02 06:02:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:54,017 INFO L471 AbstractCegarLoop]: Abstraction has 12126 states and 16720 transitions. [2024-12-02 06:02:54,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 06:02:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 12126 states and 16720 transitions. [2024-12-02 06:02:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-12-02 06:02:54,037 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:54,038 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:02:54,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:02:54,038 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:54,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash -976532010, now seen corresponding path program 1 times [2024-12-02 06:02:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:54,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285415906] [2024-12-02 06:02:54,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:54,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2024-12-02 06:02:56,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:56,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285415906] [2024-12-02 06:02:56,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285415906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:56,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:56,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:02:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335112800] [2024-12-02 06:02:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:56,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:02:56,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:56,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:02:56,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:02:56,895 INFO L87 Difference]: Start difference. First operand 12126 states and 16720 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 06:03:00,940 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 06:03:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:01,654 INFO L93 Difference]: Finished difference Result 25955 states and 35800 transitions. [2024-12-02 06:03:01,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:01,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 386 [2024-12-02 06:03:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:01,704 INFO L225 Difference]: With dead ends: 25955 [2024-12-02 06:03:01,704 INFO L226 Difference]: Without dead ends: 13854 [2024-12-02 06:03:01,736 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 06:03:01,737 INFO L435 NwaCegarLoop]: 4672 mSDtfsCounter, 1835 mSDsluCounter, 2785 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 7457 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:01,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 7457 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:03:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13854 states. [2024-12-02 06:03:02,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13854 to 13850. [2024-12-02 06:03:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13850 states, 9863 states have (on average 1.283483727060732) internal successors, (12659), 10035 states have internal predecessors, (12659), 3215 states have call successors, (3215), 771 states have call predecessors, (3215), 771 states have return successors, (3218), 3166 states have call predecessors, (3218), 3215 states have call successors, (3218) [2024-12-02 06:03:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13850 states to 13850 states and 19092 transitions. [2024-12-02 06:03:02,114 INFO L78 Accepts]: Start accepts. Automaton has 13850 states and 19092 transitions. Word has length 386 [2024-12-02 06:03:02,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:02,115 INFO L471 AbstractCegarLoop]: Abstraction has 13850 states and 19092 transitions. [2024-12-02 06:03:02,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 06:03:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 13850 states and 19092 transitions. [2024-12-02 06:03:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-12-02 06:03:02,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:02,130 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:02,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:03:02,131 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:02,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:02,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1032010060, now seen corresponding path program 1 times [2024-12-02 06:03:02,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:02,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807857660] [2024-12-02 06:03:02,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-12-02 06:03:05,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:05,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807857660] [2024-12-02 06:03:05,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807857660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:05,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:05,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:03:05,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696761729] [2024-12-02 06:03:05,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:05,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:05,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:05,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:05,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:05,497 INFO L87 Difference]: Start difference. First operand 13850 states and 19092 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 06:03:09,536 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 06:03:10,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:10,310 INFO L93 Difference]: Finished difference Result 29402 states and 40546 transitions. [2024-12-02 06:03:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:10,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 445 [2024-12-02 06:03:10,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:10,362 INFO L225 Difference]: With dead ends: 29402 [2024-12-02 06:03:10,362 INFO L226 Difference]: Without dead ends: 15577 [2024-12-02 06:03:10,397 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 06:03:10,397 INFO L435 NwaCegarLoop]: 4077 mSDtfsCounter, 1835 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 6861 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:10,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 6861 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:03:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2024-12-02 06:03:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 15573. [2024-12-02 06:03:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15573 states, 11120 states have (on average 1.2848021582733813) internal successors, (14287), 11314 states have internal predecessors, (14287), 3587 states have call successors, (3587), 865 states have call predecessors, (3587), 865 states have return successors, (3590), 3532 states have call predecessors, (3590), 3587 states have call successors, (3590) [2024-12-02 06:03:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15573 states to 15573 states and 21464 transitions. [2024-12-02 06:03:10,801 INFO L78 Accepts]: Start accepts. Automaton has 15573 states and 21464 transitions. Word has length 445 [2024-12-02 06:03:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:10,802 INFO L471 AbstractCegarLoop]: Abstraction has 15573 states and 21464 transitions. [2024-12-02 06:03:10,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 06:03:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 15573 states and 21464 transitions. [2024-12-02 06:03:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-12-02 06:03:10,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:10,818 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:10,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:03:10,818 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:10,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:10,819 INFO L85 PathProgramCache]: Analyzing trace with hash -755859762, now seen corresponding path program 1 times [2024-12-02 06:03:10,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:10,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109853781] [2024-12-02 06:03:10,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:10,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-12-02 06:03:13,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:13,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109853781] [2024-12-02 06:03:13,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109853781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:13,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:13,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:03:13,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303351317] [2024-12-02 06:03:13,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:13,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:13,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:13,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:13,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:13,581 INFO L87 Difference]: Start difference. First operand 15573 states and 21464 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 06:03:17,621 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 06:03:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:18,351 INFO L93 Difference]: Finished difference Result 32872 states and 45320 transitions. [2024-12-02 06:03:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:18,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 445 [2024-12-02 06:03:18,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:18,416 INFO L225 Difference]: With dead ends: 32872 [2024-12-02 06:03:18,416 INFO L226 Difference]: Without dead ends: 17324 [2024-12-02 06:03:18,456 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 06:03:18,456 INFO L435 NwaCegarLoop]: 4672 mSDtfsCounter, 1848 mSDsluCounter, 2785 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 7457 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:18,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 7457 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 06:03:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17324 states. [2024-12-02 06:03:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17324 to 17320. [2024-12-02 06:03:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17320 states, 12397 states have (on average 1.2857142857142858) internal successors, (15939), 12613 states have internal predecessors, (15939), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:03:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17320 states to 17320 states and 23864 transitions. [2024-12-02 06:03:18,884 INFO L78 Accepts]: Start accepts. Automaton has 17320 states and 23864 transitions. Word has length 445 [2024-12-02 06:03:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:18,885 INFO L471 AbstractCegarLoop]: Abstraction has 17320 states and 23864 transitions. [2024-12-02 06:03:18,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 06:03:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 17320 states and 23864 transitions. [2024-12-02 06:03:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-12-02 06:03:18,896 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:18,896 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:18,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:03:18,896 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:18,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:18,897 INFO L85 PathProgramCache]: Analyzing trace with hash 257344217, now seen corresponding path program 1 times [2024-12-02 06:03:18,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:18,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403459095] [2024-12-02 06:03:18,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:18,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2024-12-02 06:03:21,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:21,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403459095] [2024-12-02 06:03:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403459095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:21,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:21,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:03:21,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630153680] [2024-12-02 06:03:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:21,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:21,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:21,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:21,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:21,940 INFO L87 Difference]: Start difference. First operand 17320 states and 23864 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 06:03:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:22,356 INFO L93 Difference]: Finished difference Result 34791 states and 48026 transitions. [2024-12-02 06:03:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:22,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 459 [2024-12-02 06:03:22,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:22,426 INFO L225 Difference]: With dead ends: 34791 [2024-12-02 06:03:22,427 INFO L226 Difference]: Without dead ends: 17496 [2024-12-02 06:03:22,467 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 06:03:22,468 INFO L435 NwaCegarLoop]: 2838 mSDtfsCounter, 12 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:22,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5668 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:03:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17496 states. [2024-12-02 06:03:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17496 to 17342. [2024-12-02 06:03:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2852081488042515) internal successors, (15961), 12635 states have internal predecessors, (15961), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:03:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23886 transitions. [2024-12-02 06:03:23,111 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23886 transitions. Word has length 459 [2024-12-02 06:03:23,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:23,113 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23886 transitions. [2024-12-02 06:03:23,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 06:03:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23886 transitions. [2024-12-02 06:03:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-12-02 06:03:23,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:23,123 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:23,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:03:23,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:23,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1817953607, now seen corresponding path program 1 times [2024-12-02 06:03:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:23,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969324821] [2024-12-02 06:03:23,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:03:26,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:26,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969324821] [2024-12-02 06:03:26,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969324821] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:03:26,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316019627] [2024-12-02 06:03:26,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:26,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:03:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:03:26,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:03:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:03:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:29,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:03:29,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:03:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:03:34,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:03:34,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316019627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:34,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:03:34,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:03:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153125033] [2024-12-02 06:03:34,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:34,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:34,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:34,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:03:34,553 INFO L87 Difference]: Start difference. First operand 17342 states and 23886 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:34,844 INFO L93 Difference]: Finished difference Result 34659 states and 47813 transitions. [2024-12-02 06:03:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:34,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 467 [2024-12-02 06:03:34,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:34,916 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:03:34,916 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:03:34,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 467 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 06:03:34,957 INFO L435 NwaCegarLoop]: 2843 mSDtfsCounter, 2591 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:34,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 2843 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:03:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:03:35,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:03:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2843224092116918) internal successors, (15950), 12635 states have internal predecessors, (15950), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:03:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23875 transitions. [2024-12-02 06:03:35,426 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23875 transitions. Word has length 467 [2024-12-02 06:03:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:35,427 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23875 transitions. [2024-12-02 06:03:35,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23875 transitions. [2024-12-02 06:03:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-12-02 06:03:35,436 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:35,436 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:35,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:03:35,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:03:35,637 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:35,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1417464495, now seen corresponding path program 1 times [2024-12-02 06:03:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252578282] [2024-12-02 06:03:35,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:03:38,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:38,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252578282] [2024-12-02 06:03:38,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252578282] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:03:38,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892373621] [2024-12-02 06:03:38,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:38,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:03:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:03:38,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:03:38,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:03:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:41,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:03:41,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:03:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:03:46,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:03:46,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892373621] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:46,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:03:46,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:03:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043346656] [2024-12-02 06:03:46,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:46,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:46,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:46,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:46,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:03:46,375 INFO L87 Difference]: Start difference. First operand 17342 states and 23875 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:46,724 INFO L93 Difference]: Finished difference Result 34659 states and 47791 transitions. [2024-12-02 06:03:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 468 [2024-12-02 06:03:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:46,782 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:03:46,783 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:03:46,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 468 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 06:03:46,825 INFO L435 NwaCegarLoop]: 2842 mSDtfsCounter, 2589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 2842 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:46,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 2842 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:03:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:03:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:03:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.283436669619132) internal successors, (15939), 12635 states have internal predecessors, (15939), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:03:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23864 transitions. [2024-12-02 06:03:47,302 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23864 transitions. Word has length 468 [2024-12-02 06:03:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:47,303 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23864 transitions. [2024-12-02 06:03:47,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23864 transitions. [2024-12-02 06:03:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-12-02 06:03:47,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:47,311 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:47,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:03:47,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 06:03:47,512 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:47,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:47,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1249272843, now seen corresponding path program 1 times [2024-12-02 06:03:47,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:47,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575672787] [2024-12-02 06:03:47,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:03:50,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575672787] [2024-12-02 06:03:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575672787] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:03:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071823864] [2024-12-02 06:03:50,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:03:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:03:50,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:03:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:03:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:53,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 3938 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:03:53,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:03:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:03:58,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:03:58,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071823864] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:58,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:03:58,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:03:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875073946] [2024-12-02 06:03:58,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:58,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:58,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:58,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:58,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:03:58,492 INFO L87 Difference]: Start difference. First operand 17342 states and 23864 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:58,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:58,848 INFO L93 Difference]: Finished difference Result 34659 states and 47769 transitions. [2024-12-02 06:03:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:58,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 469 [2024-12-02 06:03:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:58,922 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:03:58,922 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:03:58,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 469 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 06:03:58,964 INFO L435 NwaCegarLoop]: 2841 mSDtfsCounter, 2587 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:58,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 2841 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:03:58,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:03:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:03:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2825509300265723) internal successors, (15928), 12635 states have internal predecessors, (15928), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:03:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23853 transitions. [2024-12-02 06:03:59,524 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23853 transitions. Word has length 469 [2024-12-02 06:03:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:59,524 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23853 transitions. [2024-12-02 06:03:59,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:03:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23853 transitions. [2024-12-02 06:03:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-12-02 06:03:59,538 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:59,538 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:03:59,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:03:59,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:03:59,739 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:59,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:59,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2095732203, now seen corresponding path program 1 times [2024-12-02 06:03:59,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:59,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937115319] [2024-12-02 06:03:59,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:59,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:04:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:04:02,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937115319] [2024-12-02 06:04:02,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937115319] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381451246] [2024-12-02 06:04:02,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:02,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:02,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:04:02,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:04:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:06,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 3939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:04:06,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:04:10,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:04:10,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381451246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:04:10,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:04:10,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:04:10,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667310607] [2024-12-02 06:04:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:04:10,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:04:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:04:10,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:04:10,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:04:10,730 INFO L87 Difference]: Start difference. First operand 17342 states and 23853 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:11,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:11,123 INFO L93 Difference]: Finished difference Result 34659 states and 47747 transitions. [2024-12-02 06:04:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:04:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 470 [2024-12-02 06:04:11,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:11,193 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:04:11,193 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:04:11,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 470 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 06:04:11,239 INFO L435 NwaCegarLoop]: 2840 mSDtfsCounter, 2585 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:11,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 2840 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:04:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:04:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:04:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2816651904340124) internal successors, (15917), 12635 states have internal predecessors, (15917), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:04:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23842 transitions. [2024-12-02 06:04:11,746 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23842 transitions. Word has length 470 [2024-12-02 06:04:11,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:11,747 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23842 transitions. [2024-12-02 06:04:11,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23842 transitions. [2024-12-02 06:04:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-12-02 06:04:11,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:11,756 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:11,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:04:11,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:11,957 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:11,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1468777167, now seen corresponding path program 1 times [2024-12-02 06:04:11,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:04:11,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641112832] [2024-12-02 06:04:11,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:04:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:04:14,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:14,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641112832] [2024-12-02 06:04:14,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641112832] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:14,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9147719] [2024-12-02 06:04:14,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:14,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:14,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:14,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:04:14,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 06:04:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:18,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 3940 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:04:18,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:04:23,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:04:23,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9147719] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:04:23,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:04:23,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:04:23,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526652524] [2024-12-02 06:04:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:04:23,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:04:23,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:04:23,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:04:23,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:04:23,165 INFO L87 Difference]: Start difference. First operand 17342 states and 23842 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:23,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:23,651 INFO L93 Difference]: Finished difference Result 34659 states and 47725 transitions. [2024-12-02 06:04:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:04:23,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 471 [2024-12-02 06:04:23,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:23,705 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:04:23,705 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:04:23,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 471 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 06:04:23,737 INFO L435 NwaCegarLoop]: 2839 mSDtfsCounter, 2583 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:23,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 2839 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:04:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:04:24,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:04:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2807794508414525) internal successors, (15906), 12635 states have internal predecessors, (15906), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:04:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23831 transitions. [2024-12-02 06:04:24,246 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23831 transitions. Word has length 471 [2024-12-02 06:04:24,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:24,246 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23831 transitions. [2024-12-02 06:04:24,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 2 states have internal predecessors, (166), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23831 transitions. [2024-12-02 06:04:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-12-02 06:04:24,254 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:24,255 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:24,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 06:04:24,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 06:04:24,455 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:24,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:24,456 INFO L85 PathProgramCache]: Analyzing trace with hash -184901337, now seen corresponding path program 1 times [2024-12-02 06:04:24,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:04:24,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51527679] [2024-12-02 06:04:24,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:04:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:04:27,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51527679] [2024-12-02 06:04:27,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51527679] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16240979] [2024-12-02 06:04:27,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:27,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:27,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:27,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:04:27,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 06:04:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:31,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:04:31,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1261 trivial. 0 not checked. [2024-12-02 06:04:36,282 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:04:36,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16240979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:04:36,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:04:36,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 06:04:36,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545611800] [2024-12-02 06:04:36,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:04:36,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:04:36,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:04:36,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:04:36,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:04:36,283 INFO L87 Difference]: Start difference. First operand 17342 states and 23831 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:36,884 INFO L93 Difference]: Finished difference Result 34659 states and 47703 transitions. [2024-12-02 06:04:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:04:36,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) Word has length 472 [2024-12-02 06:04:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:36,955 INFO L225 Difference]: With dead ends: 34659 [2024-12-02 06:04:36,955 INFO L226 Difference]: Without dead ends: 17342 [2024-12-02 06:04:36,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 472 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 06:04:37,000 INFO L435 NwaCegarLoop]: 2838 mSDtfsCounter, 2581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:37,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 2838 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:04:37,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2024-12-02 06:04:37,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17342. [2024-12-02 06:04:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17342 states, 12419 states have (on average 1.2798937112488928) internal successors, (15895), 12635 states have internal predecessors, (15895), 3961 states have call successors, (3961), 961 states have call predecessors, (3961), 961 states have return successors, (3964), 3900 states have call predecessors, (3964), 3961 states have call successors, (3964) [2024-12-02 06:04:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17342 states to 17342 states and 23820 transitions. [2024-12-02 06:04:37,648 INFO L78 Accepts]: Start accepts. Automaton has 17342 states and 23820 transitions. Word has length 472 [2024-12-02 06:04:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:37,649 INFO L471 AbstractCegarLoop]: Abstraction has 17342 states and 23820 transitions. [2024-12-02 06:04:37,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 1 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (46), 2 states have call predecessors, (46), 1 states have call successors, (46) [2024-12-02 06:04:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 17342 states and 23820 transitions. [2024-12-02 06:04:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-12-02 06:04:37,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:37,658 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:04:37,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 06:04:37,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 06:04:37,858 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:37,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:37,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1075060333, now seen corresponding path program 1 times [2024-12-02 06:04:37,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:04:37,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251298318] [2024-12-02 06:04:37,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:37,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:04:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:04:41,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:41,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251298318] [2024-12-02 06:04:41,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251298318] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:41,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317221829] [2024-12-02 06:04:41,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:41,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:41,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:41,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:04:41,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 06:04:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:45,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 3942 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:04:45,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2024-12-02 06:04:45,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:04:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2024-12-02 06:04:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317221829] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:04:47,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:04:47,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 06:04:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539094602] [2024-12-02 06:04:47,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:04:47,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:04:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:04:47,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:04:47,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:04:47,932 INFO L87 Difference]: Start difference. First operand 17342 states and 23820 transitions. Second operand has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:04:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:04:48,960 INFO L93 Difference]: Finished difference Result 35187 states and 48466 transitions. [2024-12-02 06:04:48,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:04:48,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 473 [2024-12-02 06:04:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:04:49,051 INFO L225 Difference]: With dead ends: 35187 [2024-12-02 06:04:49,052 INFO L226 Difference]: Without dead ends: 17870 [2024-12-02 06:04:49,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 943 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 06:04:49,107 INFO L435 NwaCegarLoop]: 2834 mSDtfsCounter, 65 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:04:49,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 8478 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:04:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17870 states. [2024-12-02 06:04:49,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17870 to 17870. [2024-12-02 06:04:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17870 states, 12815 states have (on average 1.2763948497854076) internal successors, (16357), 13031 states have internal predecessors, (16357), 4093 states have call successors, (4093), 961 states have call predecessors, (4093), 961 states have return successors, (4096), 4032 states have call predecessors, (4096), 4093 states have call successors, (4096) [2024-12-02 06:04:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17870 states to 17870 states and 24546 transitions. [2024-12-02 06:04:49,902 INFO L78 Accepts]: Start accepts. Automaton has 17870 states and 24546 transitions. Word has length 473 [2024-12-02 06:04:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:04:49,903 INFO L471 AbstractCegarLoop]: Abstraction has 17870 states and 24546 transitions. [2024-12-02 06:04:49,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.857142857142858) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:04:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 17870 states and 24546 transitions. [2024-12-02 06:04:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-12-02 06:04:49,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:04:49,918 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 06:04:49,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 06:04:50,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:50,118 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:04:50,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:04:50,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1260267838, now seen corresponding path program 1 times [2024-12-02 06:04:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:04:50,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241853148] [2024-12-02 06:04:50,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:04:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2024-12-02 06:04:54,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:54,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241853148] [2024-12-02 06:04:54,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241853148] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:54,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51461403] [2024-12-02 06:04:54,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:54,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:04:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:54,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:04:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 06:04:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:58,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 4231 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 06:04:58,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-12-02 06:05:00,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:00,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51461403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:00,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:00,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2024-12-02 06:05:00,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522198097] [2024-12-02 06:05:00,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:00,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:05:00,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:00,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:05:00,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:05:00,695 INFO L87 Difference]: Start difference. First operand 17870 states and 24546 transitions. Second operand has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 6 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 6 states have call successors, (51) [2024-12-02 06:05:04,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:05:08,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:05:12,825 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 06:05:27,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:27,183 INFO L93 Difference]: Finished difference Result 47555 states and 65308 transitions. [2024-12-02 06:05:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 06:05:27,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 6 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 6 states have call successors, (51) Word has length 503 [2024-12-02 06:05:27,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:27,325 INFO L225 Difference]: With dead ends: 47555 [2024-12-02 06:05:27,325 INFO L226 Difference]: Without dead ends: 29680 [2024-12-02 06:05:27,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:05:27,378 INFO L435 NwaCegarLoop]: 2963 mSDtfsCounter, 2271 mSDsluCounter, 29492 mSDsCounter, 0 mSdLazyCounter, 2111 mSolverCounterSat, 42 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 32455 SdHoareTripleChecker+Invalid, 2156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2111 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:27,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 32455 Invalid, 2156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [42 Valid, 2111 Invalid, 3 Unknown, 0 Unchecked, 24.3s Time] [2024-12-02 06:05:27,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29680 states. [2024-12-02 06:05:28,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29680 to 29552. [2024-12-02 06:05:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29552 states, 21279 states have (on average 1.2795244137412471) internal successors, (27227), 21653 states have internal predecessors, (27227), 6702 states have call successors, (6702), 1570 states have call predecessors, (6702), 1570 states have return successors, (6705), 6585 states have call predecessors, (6705), 6702 states have call successors, (6705) [2024-12-02 06:05:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29552 states to 29552 states and 40634 transitions. [2024-12-02 06:05:28,719 INFO L78 Accepts]: Start accepts. Automaton has 29552 states and 40634 transitions. Word has length 503 [2024-12-02 06:05:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:28,720 INFO L471 AbstractCegarLoop]: Abstraction has 29552 states and 40634 transitions. [2024-12-02 06:05:28,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 6 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 6 states have call successors, (51) [2024-12-02 06:05:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29552 states and 40634 transitions. [2024-12-02 06:05:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-12-02 06:05:28,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:28,775 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:28,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 06:05:28,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:28,976 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:28,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash -308170663, now seen corresponding path program 1 times [2024-12-02 06:05:28,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228770285] [2024-12-02 06:05:28,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:28,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1735 trivial. 0 not checked. [2024-12-02 06:05:32,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:32,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228770285] [2024-12-02 06:05:32,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228770285] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:32,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:32,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:05:32,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015417499] [2024-12-02 06:05:32,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:32,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:05:32,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:32,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:05:32,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:05:32,320 INFO L87 Difference]: Start difference. First operand 29552 states and 40634 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-12-02 06:05:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:33,448 INFO L93 Difference]: Finished difference Result 59091 states and 81249 transitions. [2024-12-02 06:05:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:05:33,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 636 [2024-12-02 06:05:33,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:33,605 INFO L225 Difference]: With dead ends: 59091 [2024-12-02 06:05:33,605 INFO L226 Difference]: Without dead ends: 29564 [2024-12-02 06:05:33,696 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 06:05:33,696 INFO L435 NwaCegarLoop]: 2836 mSDtfsCounter, 2 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5668 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 06:05:33,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5668 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:05:33,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29564 states. [2024-12-02 06:05:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29564 to 29556. [2024-12-02 06:05:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29556 states, 21283 states have (on average 1.2794718789644317) internal successors, (27231), 21657 states have internal predecessors, (27231), 6702 states have call successors, (6702), 1570 states have call predecessors, (6702), 1570 states have return successors, (6705), 6585 states have call predecessors, (6705), 6702 states have call successors, (6705) [2024-12-02 06:05:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29556 states to 29556 states and 40638 transitions. [2024-12-02 06:05:34,902 INFO L78 Accepts]: Start accepts. Automaton has 29556 states and 40638 transitions. Word has length 636 [2024-12-02 06:05:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:34,902 INFO L471 AbstractCegarLoop]: Abstraction has 29556 states and 40638 transitions. [2024-12-02 06:05:34,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-12-02 06:05:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 29556 states and 40638 transitions. [2024-12-02 06:05:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2024-12-02 06:05:34,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:34,947 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:34,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:05:34,947 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:34,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:34,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1539871535, now seen corresponding path program 1 times [2024-12-02 06:05:34,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:34,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257250548] [2024-12-02 06:05:34,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:34,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1735 trivial. 0 not checked. [2024-12-02 06:05:37,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257250548] [2024-12-02 06:05:37,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257250548] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506756549] [2024-12-02 06:05:37,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:37,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:05:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 06:05:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:42,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 5220 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:05:42,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-12-02 06:05:43,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:43,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506756549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:43,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:43,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 06:05:43,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200043088] [2024-12-02 06:05:43,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:43,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:05:43,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:43,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:05:43,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:05:43,043 INFO L87 Difference]: Start difference. First operand 29556 states and 40638 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-12-02 06:05:44,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:44,201 INFO L93 Difference]: Finished difference Result 59135 states and 81317 transitions. [2024-12-02 06:05:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:05:44,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 639 [2024-12-02 06:05:44,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:44,343 INFO L225 Difference]: With dead ends: 59135 [2024-12-02 06:05:44,344 INFO L226 Difference]: Without dead ends: 29604 [2024-12-02 06:05:44,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 639 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 06:05:44,414 INFO L435 NwaCegarLoop]: 2836 mSDtfsCounter, 12 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5668 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 06:05:44,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5668 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:05:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29604 states. [2024-12-02 06:05:45,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29604 to 29560. [2024-12-02 06:05:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29560 states, 21287 states have (on average 1.2794193639310376) internal successors, (27235), 21661 states have internal predecessors, (27235), 6702 states have call successors, (6702), 1570 states have call predecessors, (6702), 1570 states have return successors, (6705), 6585 states have call predecessors, (6705), 6702 states have call successors, (6705) [2024-12-02 06:05:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29560 states to 29560 states and 40642 transitions. [2024-12-02 06:05:45,594 INFO L78 Accepts]: Start accepts. Automaton has 29560 states and 40642 transitions. Word has length 639 [2024-12-02 06:05:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:45,594 INFO L471 AbstractCegarLoop]: Abstraction has 29560 states and 40642 transitions. [2024-12-02 06:05:45,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-12-02 06:05:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29560 states and 40642 transitions. [2024-12-02 06:05:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-12-02 06:05:45,633 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:45,633 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:45,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 06:05:45,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 06:05:45,834 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:45,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1975392923, now seen corresponding path program 1 times [2024-12-02 06:05:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:45,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345634731] [2024-12-02 06:05:45,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2024-12-02 06:05:48,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345634731] [2024-12-02 06:05:48,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345634731] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998121708] [2024-12-02 06:05:48,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:48,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:48,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:48,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:05:48,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 06:05:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:53,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:05:53,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-12-02 06:05:54,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:54,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998121708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:54,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:54,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 06:05:54,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194625404] [2024-12-02 06:05:54,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:54,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:05:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:54,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:05:54,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:05:54,608 INFO L87 Difference]: Start difference. First operand 29560 states and 40642 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 3 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2024-12-02 06:05:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:56,382 INFO L93 Difference]: Finished difference Result 68217 states and 93952 transitions. [2024-12-02 06:05:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:05:56,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 3 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 680 [2024-12-02 06:05:56,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:56,546 INFO L225 Difference]: With dead ends: 68217 [2024-12-02 06:05:56,547 INFO L226 Difference]: Without dead ends: 38682 [2024-12-02 06:05:56,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 680 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 06:05:56,624 INFO L435 NwaCegarLoop]: 5109 mSDtfsCounter, 2408 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 7756 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:56,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2408 Valid, 7756 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:05:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38682 states. [2024-12-02 06:05:57,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38682 to 38676. [2024-12-02 06:05:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38676 states, 27912 states have (on average 1.2815276583548294) internal successors, (35770), 28424 states have internal predecessors, (35770), 8656 states have call successors, (8656), 2107 states have call predecessors, (8656), 2107 states have return successors, (8662), 8490 states have call predecessors, (8662), 8656 states have call successors, (8662) [2024-12-02 06:05:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38676 states to 38676 states and 53088 transitions. [2024-12-02 06:05:58,262 INFO L78 Accepts]: Start accepts. Automaton has 38676 states and 53088 transitions. Word has length 680 [2024-12-02 06:05:58,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:58,262 INFO L471 AbstractCegarLoop]: Abstraction has 38676 states and 53088 transitions. [2024-12-02 06:05:58,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 3 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2024-12-02 06:05:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 38676 states and 53088 transitions. [2024-12-02 06:05:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2024-12-02 06:05:58,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:58,323 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:05:58,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 06:05:58,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:58,524 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:58,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 300301122, now seen corresponding path program 1 times [2024-12-02 06:05:58,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:58,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242080800] [2024-12-02 06:05:58,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:06:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2024-12-02 06:06:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:06:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242080800] [2024-12-02 06:06:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242080800] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:06:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550696727] [2024-12-02 06:06:01,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:01,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:06:01,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:06:01,543 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:06:01,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 06:06:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:06,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 5465 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:06:06,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:06:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 611 proven. 1 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2024-12-02 06:06:07,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:06:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2024-12-02 06:06:10,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550696727] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:06:10,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:06:10,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 06:06:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027791278] [2024-12-02 06:06:10,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:06:10,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:06:10,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:06:10,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:06:10,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:06:10,466 INFO L87 Difference]: Start difference. First operand 38676 states and 53088 transitions. Second operand has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 7 states have internal predecessors, (404), 2 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2024-12-02 06:06:12,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:06:12,023 INFO L93 Difference]: Finished difference Result 77381 states and 106213 transitions. [2024-12-02 06:06:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:06:12,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 7 states have internal predecessors, (404), 2 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 706 [2024-12-02 06:06:12,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:06:12,212 INFO L225 Difference]: With dead ends: 77381 [2024-12-02 06:06:12,212 INFO L226 Difference]: Without dead ends: 38730 [2024-12-02 06:06:12,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1414 GetRequests, 1409 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 06:06:12,312 INFO L435 NwaCegarLoop]: 2836 mSDtfsCounter, 4 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8500 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:06:12,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8500 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:06:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38730 states. [2024-12-02 06:06:14,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38730 to 38730. [2024-12-02 06:06:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38730 states, 27966 states have (on average 1.2809840520632196) internal successors, (35824), 28478 states have internal predecessors, (35824), 8656 states have call successors, (8656), 2107 states have call predecessors, (8656), 2107 states have return successors, (8662), 8490 states have call predecessors, (8662), 8656 states have call successors, (8662) [2024-12-02 06:06:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38730 states to 38730 states and 53142 transitions. [2024-12-02 06:06:14,376 INFO L78 Accepts]: Start accepts. Automaton has 38730 states and 53142 transitions. Word has length 706 [2024-12-02 06:06:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:06:14,376 INFO L471 AbstractCegarLoop]: Abstraction has 38730 states and 53142 transitions. [2024-12-02 06:06:14,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 57.714285714285715) internal successors, (404), 7 states have internal predecessors, (404), 2 states have call successors, (124), 2 states have call predecessors, (124), 2 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2024-12-02 06:06:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 38730 states and 53142 transitions. [2024-12-02 06:06:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2024-12-02 06:06:14,473 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:06:14,474 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:14,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 06:06:14,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:06:14,675 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:06:14,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:06:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 810646202, now seen corresponding path program 1 times [2024-12-02 06:06:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:06:14,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710644956] [2024-12-02 06:06:14,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:06:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2024-12-02 06:06:18,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:06:18,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710644956] [2024-12-02 06:06:18,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710644956] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:06:18,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:06:18,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:06:18,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131503805] [2024-12-02 06:06:18,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:06:18,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:06:18,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:06:18,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:06:18,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:06:18,444 INFO L87 Difference]: Start difference. First operand 38730 states and 53142 transitions. Second operand has 5 states, 5 states have (on average 58.6) internal successors, (293), 4 states have internal predecessors, (293), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 06:06:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:06:19,862 INFO L93 Difference]: Finished difference Result 77491 states and 106337 transitions. [2024-12-02 06:06:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:06:19,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.6) internal successors, (293), 4 states have internal predecessors, (293), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) Word has length 706 [2024-12-02 06:06:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:06:20,070 INFO L225 Difference]: With dead ends: 77491 [2024-12-02 06:06:20,070 INFO L226 Difference]: Without dead ends: 38786 [2024-12-02 06:06:20,187 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 06:06:20,187 INFO L435 NwaCegarLoop]: 2837 mSDtfsCounter, 0 mSDsluCounter, 8504 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11341 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 06:06:20,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11341 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:06:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38786 states. [2024-12-02 06:06:22,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38786 to 38754. [2024-12-02 06:06:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38754 states, 27984 states have (on average 1.2808033161806747) internal successors, (35842), 28496 states have internal predecessors, (35842), 8656 states have call successors, (8656), 2107 states have call predecessors, (8656), 2113 states have return successors, (8682), 8496 states have call predecessors, (8682), 8656 states have call successors, (8682) [2024-12-02 06:06:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38754 states to 38754 states and 53180 transitions. [2024-12-02 06:06:22,383 INFO L78 Accepts]: Start accepts. Automaton has 38754 states and 53180 transitions. Word has length 706 [2024-12-02 06:06:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:06:22,384 INFO L471 AbstractCegarLoop]: Abstraction has 38754 states and 53180 transitions. [2024-12-02 06:06:22,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.6) internal successors, (293), 4 states have internal predecessors, (293), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (73), 3 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 06:06:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38754 states and 53180 transitions. [2024-12-02 06:06:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-12-02 06:06:22,488 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:06:22,489 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:22,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:06:22,489 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:06:22,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:06:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -269531286, now seen corresponding path program 1 times [2024-12-02 06:06:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:06:22,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306484733] [2024-12-02 06:06:22,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:06:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2024-12-02 06:06:26,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:06:26,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306484733] [2024-12-02 06:06:26,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306484733] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:06:26,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666381394] [2024-12-02 06:06:26,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:26,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:06:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:06:26,259 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:06:26,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 06:06:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:32,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 5563 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:06:32,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:06:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 611 proven. 22 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2024-12-02 06:06:32,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:06:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1945 backedges. 27 proven. 22 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2024-12-02 06:06:36,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666381394] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:06:36,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:06:36,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 10 [2024-12-02 06:06:36,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456714398] [2024-12-02 06:06:36,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:06:36,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:06:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:06:36,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:06:36,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:06:36,342 INFO L87 Difference]: Start difference. First operand 38754 states and 53180 transitions. Second operand has 10 states, 10 states have (on average 42.9) internal successors, (429), 10 states have internal predecessors, (429), 3 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2024-12-02 06:06:37,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:06:37,848 INFO L93 Difference]: Finished difference Result 77681 states and 106637 transitions. [2024-12-02 06:06:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:06:37,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 42.9) internal successors, (429), 10 states have internal predecessors, (429), 3 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) Word has length 716 [2024-12-02 06:06:37,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:06:38,050 INFO L225 Difference]: With dead ends: 77681 [2024-12-02 06:06:38,050 INFO L226 Difference]: Without dead ends: 38952 [2024-12-02 06:06:38,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1422 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 06:06:38,160 INFO L435 NwaCegarLoop]: 2833 mSDtfsCounter, 23 mSDsluCounter, 11314 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 14147 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:06:38,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 14147 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:06:38,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38952 states. [2024-12-02 06:06:39,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38952 to 38850. [2024-12-02 06:06:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38850 states, 28068 states have (on average 1.2803904802622204) internal successors, (35938), 28574 states have internal predecessors, (35938), 8668 states have call successors, (8668), 2107 states have call predecessors, (8668), 2113 states have return successors, (8706), 8514 states have call predecessors, (8706), 8668 states have call successors, (8706) [2024-12-02 06:06:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38850 states to 38850 states and 53312 transitions. [2024-12-02 06:06:39,677 INFO L78 Accepts]: Start accepts. Automaton has 38850 states and 53312 transitions. Word has length 716 [2024-12-02 06:06:39,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:06:39,677 INFO L471 AbstractCegarLoop]: Abstraction has 38850 states and 53312 transitions. [2024-12-02 06:06:39,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.9) internal successors, (429), 10 states have internal predecessors, (429), 3 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (123), 3 states have call predecessors, (123), 3 states have call successors, (123) [2024-12-02 06:06:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 38850 states and 53312 transitions. [2024-12-02 06:06:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2024-12-02 06:06:39,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:06:39,875 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 15, 15, 15, 12, 12, 12, 12, 12, 12, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:39,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 06:06:40,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:06:40,076 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:06:40,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:06:40,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2059530088, now seen corresponding path program 1 times [2024-12-02 06:06:40,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:06:40,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793017045] [2024-12-02 06:06:40,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:06:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2024-12-02 06:06:42,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:06:42,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793017045] [2024-12-02 06:06:42,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793017045] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:06:42,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:06:42,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:06:42,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635203327] [2024-12-02 06:06:42,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:06:42,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:06:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:06:42,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:06:42,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:06:42,829 INFO L87 Difference]: Start difference. First operand 38850 states and 53312 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 06:06:46,859 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 06:06:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:06:48,814 INFO L93 Difference]: Finished difference Result 87191 states and 119702 transitions. [2024-12-02 06:06:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:06:48,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 751 [2024-12-02 06:06:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:06:49,042 INFO L225 Difference]: With dead ends: 87191 [2024-12-02 06:06:49,043 INFO L226 Difference]: Without dead ends: 48366 [2024-12-02 06:06:49,154 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 06:06:49,154 INFO L435 NwaCegarLoop]: 5172 mSDtfsCounter, 2371 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 7938 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:06:49,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 7938 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:06:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48366 states. [2024-12-02 06:06:50,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48366 to 48360. [2024-12-02 06:06:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48360 states, 35053 states have (on average 1.2847117222491655) internal successors, (45033), 35695 states have internal predecessors, (45033), 10640 states have call successors, (10640), 2658 states have call predecessors, (10640), 2666 states have return successors, (10691), 10441 states have call predecessors, (10691), 10640 states have call successors, (10691) [2024-12-02 06:06:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48360 states to 48360 states and 66364 transitions. [2024-12-02 06:06:51,016 INFO L78 Accepts]: Start accepts. Automaton has 48360 states and 66364 transitions. Word has length 751 [2024-12-02 06:06:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:06:51,017 INFO L471 AbstractCegarLoop]: Abstraction has 48360 states and 66364 transitions. [2024-12-02 06:06:51,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 06:06:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 48360 states and 66364 transitions. [2024-12-02 06:06:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2024-12-02 06:06:51,237 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:06:51,238 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:51,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:06:51,238 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:06:51,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:06:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1593973729, now seen corresponding path program 1 times [2024-12-02 06:06:51,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:06:51,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657477028] [2024-12-02 06:06:51,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:51,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:06:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:06:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2024-12-02 06:06:55,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:06:55,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657477028] [2024-12-02 06:06:55,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657477028] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:06:55,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776003881] [2024-12-02 06:06:55,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:06:55,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:06:55,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:06:55,590 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:06:55,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 06:07:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:00,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 5773 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:07:00,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 628 proven. 0 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-12-02 06:07:00,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:07:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776003881] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:00,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:07:00,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-12-02 06:07:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943937883] [2024-12-02 06:07:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:00,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:07:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:00,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:07:00,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:07:00,572 INFO L87 Difference]: Start difference. First operand 48360 states and 66364 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 06:07:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:02,093 INFO L93 Difference]: Finished difference Result 96695 states and 132948 transitions. [2024-12-02 06:07:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:07:02,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 737 [2024-12-02 06:07:02,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:02,321 INFO L225 Difference]: With dead ends: 96695 [2024-12-02 06:07:02,321 INFO L226 Difference]: Without dead ends: 48360 [2024-12-02 06:07:02,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 738 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 06:07:02,446 INFO L435 NwaCegarLoop]: 2835 mSDtfsCounter, 2 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5666 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 06:07:02,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5666 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:07:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48360 states. [2024-12-02 06:07:04,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48360 to 48360. [2024-12-02 06:07:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48360 states, 35053 states have (on average 1.2839699883034263) internal successors, (45007), 35695 states have internal predecessors, (45007), 10640 states have call successors, (10640), 2658 states have call predecessors, (10640), 2666 states have return successors, (10691), 10441 states have call predecessors, (10691), 10640 states have call successors, (10691) [2024-12-02 06:07:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48360 states to 48360 states and 66338 transitions. [2024-12-02 06:07:04,526 INFO L78 Accepts]: Start accepts. Automaton has 48360 states and 66338 transitions. Word has length 737 [2024-12-02 06:07:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:04,526 INFO L471 AbstractCegarLoop]: Abstraction has 48360 states and 66338 transitions. [2024-12-02 06:07:04,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-12-02 06:07:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 48360 states and 66338 transitions. [2024-12-02 06:07:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2024-12-02 06:07:04,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:04,598 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:04,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 06:07:04,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 06:07:04,798 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:04,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash -170833383, now seen corresponding path program 1 times [2024-12-02 06:07:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:04,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316044565] [2024-12-02 06:07:04,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1994 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2024-12-02 06:07:07,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:07,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316044565] [2024-12-02 06:07:07,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316044565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:07,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:07,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:07:07,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123983796] [2024-12-02 06:07:07,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:07,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:07:07,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:07,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:07:07,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:07:07,814 INFO L87 Difference]: Start difference. First operand 48360 states and 66338 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 06:07:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:09,324 INFO L93 Difference]: Finished difference Result 96703 states and 132657 transitions. [2024-12-02 06:07:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:07:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 739 [2024-12-02 06:07:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:09,557 INFO L225 Difference]: With dead ends: 96703 [2024-12-02 06:07:09,557 INFO L226 Difference]: Without dead ends: 48368 [2024-12-02 06:07:09,673 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 06:07:09,674 INFO L435 NwaCegarLoop]: 2837 mSDtfsCounter, 0 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5668 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 06:07:09,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5668 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:07:09,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48368 states. [2024-12-02 06:07:11,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48368 to 48368. [2024-12-02 06:07:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48368 states, 35061 states have (on average 1.2839051938050825) internal successors, (45015), 35703 states have internal predecessors, (45015), 10640 states have call successors, (10640), 2658 states have call predecessors, (10640), 2666 states have return successors, (10691), 10441 states have call predecessors, (10691), 10640 states have call successors, (10691) [2024-12-02 06:07:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48368 states to 48368 states and 66346 transitions. [2024-12-02 06:07:11,888 INFO L78 Accepts]: Start accepts. Automaton has 48368 states and 66346 transitions. Word has length 739 [2024-12-02 06:07:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:11,888 INFO L471 AbstractCegarLoop]: Abstraction has 48368 states and 66346 transitions. [2024-12-02 06:07:11,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 06:07:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 48368 states and 66346 transitions. [2024-12-02 06:07:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2024-12-02 06:07:12,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:12,002 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:12,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:07:12,003 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:12,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1186588958, now seen corresponding path program 1 times [2024-12-02 06:07:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:12,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854465771] [2024-12-02 06:07:12,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1994 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2024-12-02 06:07:16,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:16,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854465771] [2024-12-02 06:07:16,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854465771] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:16,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:16,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:07:16,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845227499] [2024-12-02 06:07:16,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:16,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:07:16,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:16,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:07:16,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:07:16,671 INFO L87 Difference]: Start difference. First operand 48368 states and 66346 transitions. Second operand has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 06:07:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:18,450 INFO L93 Difference]: Finished difference Result 96735 states and 132689 transitions. [2024-12-02 06:07:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:07:18,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 740 [2024-12-02 06:07:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:18,679 INFO L225 Difference]: With dead ends: 96735 [2024-12-02 06:07:18,679 INFO L226 Difference]: Without dead ends: 48392 [2024-12-02 06:07:18,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 06:07:18,790 INFO L435 NwaCegarLoop]: 2835 mSDtfsCounter, 0 mSDsluCounter, 8486 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11321 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:18,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11321 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:07:18,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48392 states. [2024-12-02 06:07:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48392 to 48380. [2024-12-02 06:07:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48380 states, 35073 states have (on average 1.283808057480113) internal successors, (45027), 35715 states have internal predecessors, (45027), 10640 states have call successors, (10640), 2658 states have call predecessors, (10640), 2666 states have return successors, (10691), 10441 states have call predecessors, (10691), 10640 states have call successors, (10691) [2024-12-02 06:07:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48380 states to 48380 states and 66358 transitions. [2024-12-02 06:07:20,798 INFO L78 Accepts]: Start accepts. Automaton has 48380 states and 66358 transitions. Word has length 740 [2024-12-02 06:07:20,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:20,798 INFO L471 AbstractCegarLoop]: Abstraction has 48380 states and 66358 transitions. [2024-12-02 06:07:20,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.6) internal successors, (288), 5 states have internal predecessors, (288), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2024-12-02 06:07:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 48380 states and 66358 transitions. [2024-12-02 06:07:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2024-12-02 06:07:20,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:20,870 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:20,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:07:20,870 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:20,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:20,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2128801372, now seen corresponding path program 1 times [2024-12-02 06:07:20,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:20,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267686856] [2024-12-02 06:07:20,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:20,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2143 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 2053 trivial. 0 not checked. [2024-12-02 06:07:26,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:26,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267686856] [2024-12-02 06:07:26,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267686856] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:26,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:26,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:07:26,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144817824] [2024-12-02 06:07:26,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:26,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:07:26,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:26,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:07:26,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:07:26,348 INFO L87 Difference]: Start difference. First operand 48380 states and 66358 transitions. Second operand has 7 states, 7 states have (on average 41.57142857142857) internal successors, (291), 6 states have internal predecessors, (291), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 06:07:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:28,134 INFO L93 Difference]: Finished difference Result 96819 states and 132799 transitions. [2024-12-02 06:07:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:07:28,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 41.57142857142857) internal successors, (291), 6 states have internal predecessors, (291), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) Word has length 761 [2024-12-02 06:07:28,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:28,397 INFO L225 Difference]: With dead ends: 96819 [2024-12-02 06:07:28,397 INFO L226 Difference]: Without dead ends: 48464 [2024-12-02 06:07:28,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:07:28,528 INFO L435 NwaCegarLoop]: 2834 mSDtfsCounter, 0 mSDsluCounter, 14162 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16996 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:28,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16996 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:07:28,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48464 states. [2024-12-02 06:07:30,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48464 to 48428. [2024-12-02 06:07:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48428 states, 35113 states have (on average 1.2834847492381738) internal successors, (45067), 35755 states have internal predecessors, (45067), 10640 states have call successors, (10640), 2658 states have call predecessors, (10640), 2674 states have return successors, (10715), 10449 states have call predecessors, (10715), 10640 states have call successors, (10715) [2024-12-02 06:07:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48428 states to 48428 states and 66422 transitions. [2024-12-02 06:07:30,740 INFO L78 Accepts]: Start accepts. Automaton has 48428 states and 66422 transitions. Word has length 761 [2024-12-02 06:07:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:30,740 INFO L471 AbstractCegarLoop]: Abstraction has 48428 states and 66422 transitions. [2024-12-02 06:07:30,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.57142857142857) internal successors, (291), 6 states have internal predecessors, (291), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (72), 3 states have call predecessors, (72), 2 states have call successors, (72) [2024-12-02 06:07:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 48428 states and 66422 transitions. [2024-12-02 06:07:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2024-12-02 06:07:30,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:30,854 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 12, 12, 12, 12, 12, 11, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:30,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:07:30,854 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:30,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:30,854 INFO L85 PathProgramCache]: Analyzing trace with hash -689333658, now seen corresponding path program 1 times [2024-12-02 06:07:30,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:30,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079869457] [2024-12-02 06:07:30,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:30,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 68 proven. 17 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked. [2024-12-02 06:07:35,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:35,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079869457] [2024-12-02 06:07:35,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079869457] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:35,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456679378] [2024-12-02 06:07:35,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:35,488 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:35,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 06:07:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:40,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 5909 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 06:07:40,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 706 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2024-12-02 06:07:41,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:07:41,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456679378] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:41,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:07:41,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 06:07:41,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838300671] [2024-12-02 06:07:41,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:41,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:07:41,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:41,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:07:41,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:07:41,457 INFO L87 Difference]: Start difference. First operand 48428 states and 66422 transitions. Second operand has 8 states, 8 states have (on average 39.625) internal successors, (317), 7 states have internal predecessors, (317), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 06:07:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:45,185 INFO L93 Difference]: Finished difference Result 96602 states and 132501 transitions. [2024-12-02 06:07:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:07:45,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 7 states have internal predecessors, (317), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 777 [2024-12-02 06:07:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:45,434 INFO L225 Difference]: With dead ends: 96602 [2024-12-02 06:07:45,434 INFO L226 Difference]: Without dead ends: 48199 [2024-12-02 06:07:45,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 772 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:07:45,562 INFO L435 NwaCegarLoop]: 2794 mSDtfsCounter, 7 mSDsluCounter, 16655 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19449 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:45,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 19449 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 06:07:45,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48199 states. [2024-12-02 06:07:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48199 to 48199. [2024-12-02 06:07:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48199 states, 34962 states have (on average 1.2837652308220353) internal successors, (44883), 35596 states have internal predecessors, (44883), 10574 states have call successors, (10574), 2646 states have call predecessors, (10574), 2662 states have return successors, (10649), 10389 states have call predecessors, (10649), 10574 states have call successors, (10649) [2024-12-02 06:07:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48199 states to 48199 states and 66106 transitions. [2024-12-02 06:07:47,678 INFO L78 Accepts]: Start accepts. Automaton has 48199 states and 66106 transitions. Word has length 777 [2024-12-02 06:07:47,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:47,678 INFO L471 AbstractCegarLoop]: Abstraction has 48199 states and 66106 transitions. [2024-12-02 06:07:47,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 7 states have internal predecessors, (317), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 06:07:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 48199 states and 66106 transitions. [2024-12-02 06:07:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2024-12-02 06:07:47,744 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:47,745 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:47,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 06:07:47,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b18fe90-baed-45cf-bb91-16d9d7aa5408/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-02 06:07:47,945 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:47,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:47,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1594445332, now seen corresponding path program 1 times [2024-12-02 06:07:47,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:47,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543655496] [2024-12-02 06:07:47,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:47,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2024-12-02 06:07:51,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:51,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543655496] [2024-12-02 06:07:51,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543655496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:51,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:51,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:07:51,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116702936] [2024-12-02 06:07:51,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:51,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:07:51,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:51,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:07:51,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:07:51,006 INFO L87 Difference]: Start difference. First operand 48199 states and 66106 transitions. Second operand has 5 states, 5 states have (on average 61.8) internal successors, (309), 4 states have internal predecessors, (309), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:07:55,037 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 06:07:57,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:57,709 INFO L93 Difference]: Finished difference Result 114085 states and 156438 transitions. [2024-12-02 06:07:57,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:07:57,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 4 states have internal predecessors, (309), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) Word has length 793 [2024-12-02 06:07:57,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:58,146 INFO L225 Difference]: With dead ends: 114085 [2024-12-02 06:07:58,146 INFO L226 Difference]: Without dead ends: 65911 [2024-12-02 06:07:58,250 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 06:07:58,250 INFO L435 NwaCegarLoop]: 5118 mSDtfsCounter, 2281 mSDsluCounter, 12974 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 18092 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:58,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 18092 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:07:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65911 states. [2024-12-02 06:08:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65911 to 57059. [2024-12-02 06:08:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57059 states, 41335 states have (on average 1.2846014273617998) internal successors, (53099), 42103 states have internal predecessors, (53099), 12510 states have call successors, (12510), 3179 states have call predecessors, (12510), 3213 states have return successors, (12618), 12298 states have call predecessors, (12618), 12510 states have call successors, (12618) [2024-12-02 06:08:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57059 states to 57059 states and 78227 transitions. [2024-12-02 06:08:00,554 INFO L78 Accepts]: Start accepts. Automaton has 57059 states and 78227 transitions. Word has length 793 [2024-12-02 06:08:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:00,555 INFO L471 AbstractCegarLoop]: Abstraction has 57059 states and 78227 transitions. [2024-12-02 06:08:00,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 4 states have internal predecessors, (309), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:08:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 57059 states and 78227 transitions. [2024-12-02 06:08:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2024-12-02 06:08:00,631 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:00,631 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:00,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 06:08:00,631 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:00,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:00,632 INFO L85 PathProgramCache]: Analyzing trace with hash -782183786, now seen corresponding path program 1 times [2024-12-02 06:08:00,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:00,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659501616] [2024-12-02 06:08:00,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:00,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2024-12-02 06:08:04,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:08:04,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659501616] [2024-12-02 06:08:04,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659501616] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:04,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:08:04,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:08:04,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933419004] [2024-12-02 06:08:04,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:04,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:08:04,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:04,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:08:04,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:08:04,059 INFO L87 Difference]: Start difference. First operand 57059 states and 78227 transitions. Second operand has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:08:08,094 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 06:08:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:11,783 INFO L93 Difference]: Finished difference Result 123057 states and 168671 transitions. [2024-12-02 06:08:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:08:11,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) Word has length 794 [2024-12-02 06:08:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:12,112 INFO L225 Difference]: With dead ends: 123057 [2024-12-02 06:08:12,112 INFO L226 Difference]: Without dead ends: 66023 [2024-12-02 06:08:12,265 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 06:08:12,266 INFO L435 NwaCegarLoop]: 5125 mSDtfsCounter, 2304 mSDsluCounter, 12965 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 18090 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:12,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2304 Valid, 18090 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 06:08:12,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66023 states. [2024-12-02 06:08:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66023 to 65989. [2024-12-02 06:08:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65989 states, 47764 states have (on average 1.2848798258102336) internal successors, (61371), 48666 states have internal predecessors, (61371), 14446 states have call successors, (14446), 3726 states have call predecessors, (14446), 3778 states have return successors, (14587), 14207 states have call predecessors, (14587), 14446 states have call successors, (14587) [2024-12-02 06:08:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65989 states to 65989 states and 90404 transitions. [2024-12-02 06:08:14,989 INFO L78 Accepts]: Start accepts. Automaton has 65989 states and 90404 transitions. Word has length 794 [2024-12-02 06:08:14,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:14,990 INFO L471 AbstractCegarLoop]: Abstraction has 65989 states and 90404 transitions. [2024-12-02 06:08:14,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.0) internal successors, (310), 4 states have internal predecessors, (310), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:08:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 65989 states and 90404 transitions. [2024-12-02 06:08:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2024-12-02 06:08:15,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:15,079 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:15,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 06:08:15,079 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:15,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:15,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2143621378, now seen corresponding path program 1 times [2024-12-02 06:08:15,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:15,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667956016] [2024-12-02 06:08:15,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:15,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:08:18,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:08:18,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667956016] [2024-12-02 06:08:18,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667956016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:18,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:08:18,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:08:18,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755452991] [2024-12-02 06:08:18,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:18,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:08:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:18,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:08:18,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:08:18,181 INFO L87 Difference]: Start difference. First operand 65989 states and 90404 transitions. Second operand has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:08:22,217 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 06:08:26,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:26,101 INFO L93 Difference]: Finished difference Result 140917 states and 193081 transitions. [2024-12-02 06:08:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:08:26,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) Word has length 788 [2024-12-02 06:08:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:26,496 INFO L225 Difference]: With dead ends: 140917 [2024-12-02 06:08:26,496 INFO L226 Difference]: Without dead ends: 74953 [2024-12-02 06:08:26,691 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 06:08:26,692 INFO L435 NwaCegarLoop]: 5124 mSDtfsCounter, 2287 mSDsluCounter, 12980 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 18104 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:26,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 18104 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:08:26,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74953 states. [2024-12-02 06:08:29,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74953 to 74919. [2024-12-02 06:08:29,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74919 states, 54207 states have (on average 1.2850185400409542) internal successors, (69657), 55243 states have internal predecessors, (69657), 16382 states have call successors, (16382), 4259 states have call predecessors, (16382), 4329 states have return successors, (16556), 16116 states have call predecessors, (16556), 16382 states have call successors, (16556) [2024-12-02 06:08:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74919 states to 74919 states and 102595 transitions. [2024-12-02 06:08:29,789 INFO L78 Accepts]: Start accepts. Automaton has 74919 states and 102595 transitions. Word has length 788 [2024-12-02 06:08:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:29,790 INFO L471 AbstractCegarLoop]: Abstraction has 74919 states and 102595 transitions. [2024-12-02 06:08:29,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:08:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 74919 states and 102595 transitions. [2024-12-02 06:08:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2024-12-02 06:08:29,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:29,892 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:29,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 06:08:29,892 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:29,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:29,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1650540428, now seen corresponding path program 1 times [2024-12-02 06:08:29,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:29,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258406995] [2024-12-02 06:08:29,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:29,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:08:33,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:08:33,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258406995] [2024-12-02 06:08:33,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258406995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:33,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:08:33,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:08:33,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439568910] [2024-12-02 06:08:33,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:33,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:08:33,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:33,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:08:33,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:08:33,050 INFO L87 Difference]: Start difference. First operand 74919 states and 102595 transitions. Second operand has 5 states, 5 states have (on average 61.6) internal successors, (308), 4 states have internal predecessors, (308), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:08:37,085 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 06:08:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:41,042 INFO L93 Difference]: Finished difference Result 158791 states and 217491 transitions. [2024-12-02 06:08:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:08:41,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 4 states have internal predecessors, (308), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) Word has length 789 [2024-12-02 06:08:41,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:41,457 INFO L225 Difference]: With dead ends: 158791 [2024-12-02 06:08:41,457 INFO L226 Difference]: Without dead ends: 83897 [2024-12-02 06:08:41,654 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 06:08:41,654 INFO L435 NwaCegarLoop]: 5124 mSDtfsCounter, 2326 mSDsluCounter, 12941 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 18065 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:41,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 18065 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:08:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83897 states. [2024-12-02 06:08:44,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83897 to 83863. [2024-12-02 06:08:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83863 states, 60664 states have (on average 1.2850619807464065) internal successors, (77957), 61834 states have internal predecessors, (77957), 18318 states have call successors, (18318), 4792 states have call predecessors, (18318), 4880 states have return successors, (18525), 18025 states have call predecessors, (18525), 18318 states have call successors, (18525) [2024-12-02 06:08:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83863 states to 83863 states and 114800 transitions. [2024-12-02 06:08:45,088 INFO L78 Accepts]: Start accepts. Automaton has 83863 states and 114800 transitions. Word has length 789 [2024-12-02 06:08:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:08:45,088 INFO L471 AbstractCegarLoop]: Abstraction has 83863 states and 114800 transitions. [2024-12-02 06:08:45,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 4 states have internal predecessors, (308), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:08:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 83863 states and 114800 transitions. [2024-12-02 06:08:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2024-12-02 06:08:45,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:08:45,204 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:45,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 06:08:45,204 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:08:45,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:08:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1663643034, now seen corresponding path program 1 times [2024-12-02 06:08:45,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:08:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503344889] [2024-12-02 06:08:45,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:08:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:08:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:08:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2024-12-02 06:08:48,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:08:48,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503344889] [2024-12-02 06:08:48,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503344889] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:08:48,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:08:48,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:08:48,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360357422] [2024-12-02 06:08:48,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:08:48,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:08:48,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:48,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:08:48,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:08:48,284 INFO L87 Difference]: Start difference. First operand 83863 states and 114800 transitions. Second operand has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:08:52,315 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 06:08:56,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:08:56,243 INFO L93 Difference]: Finished difference Result 176693 states and 241929 transitions. [2024-12-02 06:08:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:08:56,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) Word has length 797 [2024-12-02 06:08:56,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:08:56,726 INFO L225 Difference]: With dead ends: 176693 [2024-12-02 06:08:56,726 INFO L226 Difference]: Without dead ends: 92855 [2024-12-02 06:08:56,961 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 06:08:56,962 INFO L435 NwaCegarLoop]: 5122 mSDtfsCounter, 2285 mSDsluCounter, 12978 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2285 SdHoareTripleChecker+Valid, 18100 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:08:56,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2285 Valid, 18100 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:08:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92855 states. [2024-12-02 06:09:00,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92855 to 92821. [2024-12-02 06:09:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92821 states, 67135 states have (on average 1.2850376107842407) internal successors, (86271), 68439 states have internal predecessors, (86271), 20254 states have call successors, (20254), 5325 states have call predecessors, (20254), 5431 states have return successors, (20494), 19934 states have call predecessors, (20494), 20254 states have call successors, (20494) [2024-12-02 06:09:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92821 states to 92821 states and 127019 transitions. [2024-12-02 06:09:00,815 INFO L78 Accepts]: Start accepts. Automaton has 92821 states and 127019 transitions. Word has length 797 [2024-12-02 06:09:00,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:09:00,816 INFO L471 AbstractCegarLoop]: Abstraction has 92821 states and 127019 transitions. [2024-12-02 06:09:00,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:09:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 92821 states and 127019 transitions. [2024-12-02 06:09:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2024-12-02 06:09:00,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:09:00,948 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:09:00,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 06:09:00,948 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:09:00,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash 72181072, now seen corresponding path program 1 times [2024-12-02 06:09:00,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:09:00,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996346164] [2024-12-02 06:09:00,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:00,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2024-12-02 06:09:03,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:09:03,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996346164] [2024-12-02 06:09:03,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996346164] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:09:03,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:09:03,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:09:03,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52229910] [2024-12-02 06:09:03,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:09:03,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:09:03,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:09:03,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:09:03,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:09:03,976 INFO L87 Difference]: Start difference. First operand 92821 states and 127019 transitions. Second operand has 5 states, 5 states have (on average 62.8) internal successors, (314), 4 states have internal predecessors, (314), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:09:08,020 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 06:09:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:09:12,042 INFO L93 Difference]: Finished difference Result 194763 states and 266535 transitions. [2024-12-02 06:09:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:09:12,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 4 states have internal predecessors, (314), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) Word has length 798 [2024-12-02 06:09:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:09:12,599 INFO L225 Difference]: With dead ends: 194763 [2024-12-02 06:09:12,599 INFO L226 Difference]: Without dead ends: 101967 [2024-12-02 06:09:12,861 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 06:09:12,861 INFO L435 NwaCegarLoop]: 5117 mSDtfsCounter, 2293 mSDsluCounter, 12960 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 18077 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:09:12,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 18077 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 06:09:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101967 states. [2024-12-02 06:09:16,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101967 to 101933. [2024-12-02 06:09:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101933 states, 73720 states have (on average 1.2845767769940315) internal successors, (94699), 75158 states have internal predecessors, (94699), 22210 states have call successors, (22210), 5878 states have call predecessors, (22210), 6002 states have return successors, (22483), 21863 states have call predecessors, (22483), 22210 states have call successors, (22483) [2024-12-02 06:09:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101933 states to 101933 states and 139392 transitions. [2024-12-02 06:09:17,124 INFO L78 Accepts]: Start accepts. Automaton has 101933 states and 139392 transitions. Word has length 798 [2024-12-02 06:09:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:09:17,125 INFO L471 AbstractCegarLoop]: Abstraction has 101933 states and 139392 transitions. [2024-12-02 06:09:17,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 4 states have internal predecessors, (314), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (80), 4 states have call predecessors, (80), 3 states have call successors, (80) [2024-12-02 06:09:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 101933 states and 139392 transitions. [2024-12-02 06:09:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 793 [2024-12-02 06:09:17,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:09:17,271 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:09:17,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 06:09:17,271 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:09:17,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:17,272 INFO L85 PathProgramCache]: Analyzing trace with hash -684213308, now seen corresponding path program 1 times [2024-12-02 06:09:17,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:09:17,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63979499] [2024-12-02 06:09:17,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:17,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:09:20,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:09:20,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63979499] [2024-12-02 06:09:20,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63979499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:09:20,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:09:20,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:09:20,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355950562] [2024-12-02 06:09:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:09:20,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:09:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:09:20,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:09:20,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:09:20,885 INFO L87 Difference]: Start difference. First operand 101933 states and 139392 transitions. Second operand has 5 states, 5 states have (on average 62.2) internal successors, (311), 4 states have internal predecessors, (311), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:09:24,920 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 06:09:30,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:09:30,253 INFO L93 Difference]: Finished difference Result 212861 states and 291169 transitions. [2024-12-02 06:09:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:09:30,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.2) internal successors, (311), 4 states have internal predecessors, (311), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) Word has length 792 [2024-12-02 06:09:30,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:09:30,874 INFO L225 Difference]: With dead ends: 212861 [2024-12-02 06:09:30,874 INFO L226 Difference]: Without dead ends: 110953 [2024-12-02 06:09:31,170 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 06:09:31,170 INFO L435 NwaCegarLoop]: 5124 mSDtfsCounter, 2293 mSDsluCounter, 12974 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 18098 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:09:31,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 18098 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 06:09:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110953 states. [2024-12-02 06:09:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110953 to 110919. [2024-12-02 06:09:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110919 states, 80219 states have (on average 1.2844961916752888) internal successors, (103041), 81791 states have internal predecessors, (103041), 24146 states have call successors, (24146), 6411 states have call predecessors, (24146), 6553 states have return successors, (24452), 23772 states have call predecessors, (24452), 24146 states have call successors, (24452) [2024-12-02 06:09:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110919 states to 110919 states and 151639 transitions. [2024-12-02 06:09:35,848 INFO L78 Accepts]: Start accepts. Automaton has 110919 states and 151639 transitions. Word has length 792 [2024-12-02 06:09:35,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:09:35,849 INFO L471 AbstractCegarLoop]: Abstraction has 110919 states and 151639 transitions. [2024-12-02 06:09:35,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.2) internal successors, (311), 4 states have internal predecessors, (311), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:09:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 110919 states and 151639 transitions. [2024-12-02 06:09:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2024-12-02 06:09:36,005 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:09:36,006 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:09:36,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 06:09:36,006 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:09:36,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1012878598, now seen corresponding path program 1 times [2024-12-02 06:09:36,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:09:36,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282078023] [2024-12-02 06:09:36,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:09:39,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:09:39,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282078023] [2024-12-02 06:09:39,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282078023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:09:39,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:09:39,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:09:39,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352859923] [2024-12-02 06:09:39,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:09:39,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:09:39,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:09:39,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:09:39,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:09:39,193 INFO L87 Difference]: Start difference. First operand 110919 states and 151639 transitions. Second operand has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:09:43,224 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 06:09:47,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:09:47,954 INFO L93 Difference]: Finished difference Result 235391 states and 321797 transitions. [2024-12-02 06:09:47,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:09:47,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) Word has length 793 [2024-12-02 06:09:47,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:09:48,558 INFO L225 Difference]: With dead ends: 235391 [2024-12-02 06:09:48,558 INFO L226 Difference]: Without dead ends: 124497 [2024-12-02 06:09:48,835 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 06:09:48,836 INFO L435 NwaCegarLoop]: 4933 mSDtfsCounter, 2311 mSDsluCounter, 12574 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 17507 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:09:48,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2311 Valid, 17507 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:09:48,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124497 states. [2024-12-02 06:09:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124497 to 124463. [2024-12-02 06:09:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124463 states, 90048 states have (on average 1.283348880597015) internal successors, (115563), 91774 states have internal predecessors, (115563), 27052 states have call successors, (27052), 7202 states have call predecessors, (27052), 7362 states have return successors, (27391), 26641 states have call predecessors, (27391), 27052 states have call successors, (27391) [2024-12-02 06:09:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124463 states to 124463 states and 170006 transitions. [2024-12-02 06:09:54,400 INFO L78 Accepts]: Start accepts. Automaton has 124463 states and 170006 transitions. Word has length 793 [2024-12-02 06:09:54,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:09:54,401 INFO L471 AbstractCegarLoop]: Abstraction has 124463 states and 170006 transitions. [2024-12-02 06:09:54,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.4) internal successors, (312), 4 states have internal predecessors, (312), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:09:54,401 INFO L276 IsEmpty]: Start isEmpty. Operand 124463 states and 170006 transitions. [2024-12-02 06:09:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2024-12-02 06:09:54,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:09:54,577 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:09:54,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 06:09:54,577 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:09:54,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:09:54,578 INFO L85 PathProgramCache]: Analyzing trace with hash -877663193, now seen corresponding path program 1 times [2024-12-02 06:09:54,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:09:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046184518] [2024-12-02 06:09:54,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:09:54,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:09:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:09:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:09:57,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:09:57,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046184518] [2024-12-02 06:09:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046184518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:09:57,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:09:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:09:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144086652] [2024-12-02 06:09:57,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:09:57,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:09:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:09:57,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:09:57,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:09:57,592 INFO L87 Difference]: Start difference. First operand 124463 states and 170006 transitions. Second operand has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:10:01,636 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 06:10:06,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:06,842 INFO L93 Difference]: Finished difference Result 258669 states and 353413 transitions. [2024-12-02 06:10:06,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:10:06,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) Word has length 794 [2024-12-02 06:10:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:07,492 INFO L225 Difference]: With dead ends: 258669 [2024-12-02 06:10:07,492 INFO L226 Difference]: Without dead ends: 134231 [2024-12-02 06:10:07,786 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 06:10:07,786 INFO L435 NwaCegarLoop]: 5081 mSDtfsCounter, 2313 mSDsluCounter, 12868 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2313 SdHoareTripleChecker+Valid, 17949 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:10:07,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2313 Valid, 17949 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 154 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 06:10:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134231 states. [2024-12-02 06:10:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134231 to 134197. [2024-12-02 06:10:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134197 states, 97125 states have (on average 1.2834285714285714) internal successors, (124653), 98985 states have internal predecessors, (124653), 29108 states have call successors, (29108), 7785 states have call predecessors, (29108), 7963 states have return successors, (29480), 28670 states have call predecessors, (29480), 29108 states have call successors, (29480) [2024-12-02 06:10:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134197 states to 134197 states and 183241 transitions. [2024-12-02 06:10:13,446 INFO L78 Accepts]: Start accepts. Automaton has 134197 states and 183241 transitions. Word has length 794 [2024-12-02 06:10:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:13,446 INFO L471 AbstractCegarLoop]: Abstraction has 134197 states and 183241 transitions. [2024-12-02 06:10:13,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 4 states have internal predecessors, (313), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:10:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 134197 states and 183241 transitions. [2024-12-02 06:10:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2024-12-02 06:10:13,639 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:13,640 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 19, 19, 19, 12, 12, 12, 12, 12, 11, 8, 8, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:13,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 06:10:13,640 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:13,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash 752951869, now seen corresponding path program 1 times [2024-12-02 06:10:13,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:10:13,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288537523] [2024-12-02 06:10:13,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:13,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:10:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 06:10:16,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:10:16,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288537523] [2024-12-02 06:10:16,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288537523] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:10:16,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:10:16,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:10:16,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110891184] [2024-12-02 06:10:16,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:10:16,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:10:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:10:16,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:10:16,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:10:16,888 INFO L87 Difference]: Start difference. First operand 134197 states and 183241 transitions. Second operand has 5 states, 5 states have (on average 62.8) internal successors, (314), 4 states have internal predecessors, (314), 3 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 4 states have call predecessors, (78), 3 states have call successors, (78) [2024-12-02 06:10:20,972 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 []