./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-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya --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 cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:10:24,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:10:24,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 05:10:24,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:10:24,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:10:24,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:10:24,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:10:24,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:10:24,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:10:24,335 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:10:24,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:10:24,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:10:24,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:10:24,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:10:24,337 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:10:24,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:10:24,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:10:24,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:10:24,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:10:24,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:10:24,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:10:24,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:10:24,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:10:24,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:10:24,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:10:24,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:10:24,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:10:24,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:10:24,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:10:24,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:10:24,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:10:24,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:10:24,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:10:24,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:10:24,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:10:24,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:10:24,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:10:24,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:10:24,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:10:24,347 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cde51297e6fd0e941efee971bf40d8442d789ab4fb58443b4ef667bb6a80abb8 [2023-11-29 05:10:24,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:10:24,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:10:24,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:10:24,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:10:24,592 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:10:24,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2023-11-29 05:10:27,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:10:27,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:10:27,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2023-11-29 05:10:27,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/data/fcdcdad9c/0f03ce2b8bec44a2bf0ed32ab732a1be/FLAGcff2b9c4f [2023-11-29 05:10:27,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/data/fcdcdad9c/0f03ce2b8bec44a2bf0ed32ab732a1be [2023-11-29 05:10:27,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:10:27,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:10:27,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:10:27,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:10:27,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:10:27,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:10:27" (1/1) ... [2023-11-29 05:10:27,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fcc79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:27, skipping insertion in model container [2023-11-29 05:10:27,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:10:27" (1/1) ... [2023-11-29 05:10:28,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:10:32,249 WARN L240 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_080c379f-5328-4f22-a91b-59dadcf3cfd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2023-11-29 05:10:32,253 WARN L240 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_080c379f-5328-4f22-a91b-59dadcf3cfd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2023-11-29 05:10:32,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:10:32,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:10:32,447 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"); [6204] [2023-11-29 05:10:32,449 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)); [6211] [2023-11-29 05:10:32,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6218] [2023-11-29 05:10:32,452 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)); [6265-6266] [2023-11-29 05:10:32,452 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"); [6271-6273] [2023-11-29 05:10:32,453 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; incl %0": "+m" (v->counter)); [6300] [2023-11-29 05:10:32,453 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; decl %0": "+m" (v->counter)); [6307] [2023-11-29 05:10:32,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6314] [2023-11-29 05:10:32,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6357] [2023-11-29 05:10:32,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6360] [2023-11-29 05:10:32,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6363] [2023-11-29 05:10:32,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6366] [2023-11-29 05:10:32,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6459] [2023-11-29 05:10:32,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6467] [2023-11-29 05:10:32,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6474] [2023-11-29 05:10:32,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6481] [2023-11-29 05:10:32,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6488] [2023-11-29 05:10:32,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6515] [2023-11-29 05:10:32,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6523-6524] [2023-11-29 05:10:32,463 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)); [6597-6598] [2023-11-29 05:10:32,465 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)); [6631-6632] [2023-11-29 05:10:32,466 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" (79), "i" (12UL)); [6672-6673] [2023-11-29 05:10:32,467 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" (91), "i" (12UL)); [6701-6702] [2023-11-29 05:10:32,479 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)); [7195-7196] [2023-11-29 05:10:32,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7202] [2023-11-29 05:10:32,568 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 *)"drivers/net/ethernet/atheros/atl1e/atl1e_main.c"), "i" (1806), "i" (12UL)); [10079-10080] [2023-11-29 05:10:32,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10144] [2023-11-29 05:10:32,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [13469] [2023-11-29 05:10:32,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [13717] [2023-11-29 05:10:32,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [13730] [2023-11-29 05:10:32,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [13754] [2023-11-29 05:10:32,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [13767] [2023-11-29 05:10:32,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [14098] [2023-11-29 05:10:32,719 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 *)"drivers/net/ethernet/atheros/atl1e/atl1e_param.c"), "i" (163), "i" (12UL)); [15099-15100] [2023-11-29 05:10:32,753 WARN L240 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_080c379f-5328-4f22-a91b-59dadcf3cfd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464446,464459] [2023-11-29 05:10:32,754 WARN L240 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_080c379f-5328-4f22-a91b-59dadcf3cfd2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[464591,464604] [2023-11-29 05:10:32,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:10:32,952 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:10:32,959 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:10:32,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32 WrapperNode [2023-11-29 05:10:32,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:10:32,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:10:32,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:10:32,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:10:32,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:33,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:33,312 INFO L138 Inliner]: procedures = 623, calls = 3618, calls flagged for inlining = 311, calls inlined = 275, statements flattened = 9414 [2023-11-29 05:10:33,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:10:33,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:10:33,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:10:33,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:10:33,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:33,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:33,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,306 INFO L175 MemorySlicer]: Split 1619 memory accesses to 36 slices as follows [2, 2, 2, 42, 6, 9, 5, 6, 9, 9, 7, 4, 3, 84, 34, 7, 34, 2, 34, 34, 17, 1073, 1, 7, 18, 3, 5, 5, 1, 2, 12, 49, 4, 1, 2, 84]. 66 percent of accesses are in the largest equivalence class. The 486 initializations are split as follows [0, 0, 2, 0, 6, 8, 4, 6, 8, 8, 6, 4, 1, 0, 33, 0, 33, 0, 33, 33, 0, 154, 1, 0, 0, 0, 5, 5, 0, 0, 12, 40, 0, 0, 0, 84]. The 404 writes are split as follows [1, 1, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 72, 0, 4, 0, 1, 0, 0, 9, 279, 0, 4, 6, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0]. [2023-11-29 05:10:36,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:10:36,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:10:36,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:10:36,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:10:36,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (1/1) ... [2023-11-29 05:10:36,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:10:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:10:36,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:10:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:10:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-29 05:10:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-29 05:10:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-29 05:10:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-29 05:10:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2023-11-29 05:10:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2023-11-29 05:10:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 05:10:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 05:10:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2023-11-29 05:10:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2023-11-29 05:10:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-29 05:10:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-29 05:10:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-29 05:10:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-29 05:10:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 05:10:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 05:10:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2023-11-29 05:10:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2023-11-29 05:10:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-29 05:10:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-29 05:10:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-29 05:10:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-29 05:10:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-29 05:10:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-29 05:10:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-29 05:10:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-29 05:10:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-29 05:10:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-29 05:10:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 05:10:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 05:10:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2023-11-29 05:10:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2023-11-29 05:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2023-11-29 05:10:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2023-11-29 05:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2023-11-29 05:10:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2023-11-29 05:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-29 05:10:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-29 05:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2023-11-29 05:10:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2023-11-29 05:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-29 05:10:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-29 05:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-29 05:10:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-29 05:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2023-11-29 05:10:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2023-11-29 05:10:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-29 05:10:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-29 05:10:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-29 05:10:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-29 05:10:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-29 05:10:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-29 05:10:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 05:10:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 05:10:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 05:10:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 05:10:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2023-11-29 05:10:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2023-11-29 05:10:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-29 05:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-29 05:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-29 05:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-29 05:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2023-11-29 05:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2023-11-29 05:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-29 05:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-29 05:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2023-11-29 05:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2023-11-29 05:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-29 05:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-29 05:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2023-11-29 05:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2023-11-29 05:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-29 05:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-29 05:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 05:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 05:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-29 05:10:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-29 05:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-29 05:10:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-29 05:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 05:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 05:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 05:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 05:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-29 05:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2023-11-29 05:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2023-11-29 05:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2023-11-29 05:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2023-11-29 05:10:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2023-11-29 05:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-29 05:10:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-29 05:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-29 05:10:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-29 05:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2023-11-29 05:10:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2023-11-29 05:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 05:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 05:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 05:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 05:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 05:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2023-11-29 05:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-29 05:10:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 05:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 05:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 05:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 05:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-29 05:10:36,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-29 05:10:36,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 05:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 05:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2023-11-29 05:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2023-11-29 05:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#35 [2023-11-29 05:10:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 05:10:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 05:10:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 05:10:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 05:10:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 05:10:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-29 05:10:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2023-11-29 05:10:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2023-11-29 05:10:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2023-11-29 05:10:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2023-11-29 05:10:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2023-11-29 05:10:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#35 [2023-11-29 05:10:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-29 05:10:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-29 05:10:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-29 05:10:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-29 05:10:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-29 05:10:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-29 05:10:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-29 05:10:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2023-11-29 05:10:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2023-11-29 05:10:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-29 05:10:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-29 05:10:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-29 05:10:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-29 05:10:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2023-11-29 05:10:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2023-11-29 05:10:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:10:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2023-11-29 05:10:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2023-11-29 05:10:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-29 05:10:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-29 05:10:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-29 05:10:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-29 05:10:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-29 05:10:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 05:10:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-29 05:10:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:10:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 05:10:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 05:10:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 05:10:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-29 05:10:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-29 05:10:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-29 05:10:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-29 05:10:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-29 05:10:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-29 05:10:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2023-11-29 05:10:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2023-11-29 05:10:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2023-11-29 05:10:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2023-11-29 05:10:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-29 05:10:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-29 05:10:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2023-11-29 05:10:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2023-11-29 05:10:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-29 05:10:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-29 05:10:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-29 05:10:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-29 05:10:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-29 05:10:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-29 05:10:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-29 05:10:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-29 05:10:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2023-11-29 05:10:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2023-11-29 05:10:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-29 05:10:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-29 05:10:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-29 05:10:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-29 05:10:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-29 05:10:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-29 05:10:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2023-11-29 05:10:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2023-11-29 05:10:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-29 05:10:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-29 05:10:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-29 05:10:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-29 05:10:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:10:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:10:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-29 05:10:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-29 05:10:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-29 05:10:36,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-29 05:10:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 05:10:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 05:10:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 05:10:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-29 05:10:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 05:10:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 05:10:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 05:10:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-29 05:10:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 05:10:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-29 05:10:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-29 05:10:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-29 05:10:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-29 05:10:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-29 05:10:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-29 05:10:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-29 05:10:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-29 05:10:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2023-11-29 05:10:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2023-11-29 05:10:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2023-11-29 05:10:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2023-11-29 05:10:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-29 05:10:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-29 05:10:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-29 05:10:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2023-11-29 05:10:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-29 05:10:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 05:10:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 05:10:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 05:10:36,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 05:10:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2023-11-29 05:10:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2023-11-29 05:10:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 05:10:36,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 05:10:36,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2023-11-29 05:10:36,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2023-11-29 05:10:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2023-11-29 05:10:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-29 05:10:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-29 05:10:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-29 05:10:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-29 05:10:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-29 05:10:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-29 05:10:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:10:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 05:10:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 05:10:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-29 05:10:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-29 05:10:36,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-29 05:10:36,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2023-11-29 05:10:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_114 [2023-11-29 05:10:36,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_114 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 05:10:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 05:10:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 05:10:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 05:10:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2023-11-29 05:10:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2023-11-29 05:10:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2023-11-29 05:10:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2023-11-29 05:10:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-29 05:10:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-29 05:10:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2023-11-29 05:10:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2023-11-29 05:10:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2023-11-29 05:10:36,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2023-11-29 05:10:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 05:10:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 05:10:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 05:10:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 05:10:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2023-11-29 05:10:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2023-11-29 05:10:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-29 05:10:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-29 05:10:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-29 05:10:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-29 05:10:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-29 05:10:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-29 05:10:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-29 05:10:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-29 05:10:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-29 05:10:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2023-11-29 05:10:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2023-11-29 05:10:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2023-11-29 05:10:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2023-11-29 05:10:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2023-11-29 05:10:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2023-11-29 05:10:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-29 05:10:36,921 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-29 05:10:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-29 05:10:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2023-11-29 05:10:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-29 05:10:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-29 05:10:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2023-11-29 05:10:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 05:10:36,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 05:10:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 05:10:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 05:10:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2023-11-29 05:10:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 05:10:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2023-11-29 05:10:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2023-11-29 05:10:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2023-11-29 05:10:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2023-11-29 05:10:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-29 05:10:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-29 05:10:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-29 05:10:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-29 05:10:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2023-11-29 05:10:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2023-11-29 05:10:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2023-11-29 05:10:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2023-11-29 05:10:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-29 05:10:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2023-11-29 05:10:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2023-11-29 05:10:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-29 05:10:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-29 05:10:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-29 05:10:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-29 05:10:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2023-11-29 05:10:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-29 05:10:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-29 05:10:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2023-11-29 05:10:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-29 05:10:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-29 05:10:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 05:10:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 05:10:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 05:10:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-29 05:10:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-29 05:10:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2023-11-29 05:10:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2023-11-29 05:10:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2023-11-29 05:10:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2023-11-29 05:10:38,317 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:10:38,323 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:10:51,516 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-29 05:10:52,183 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 05:10:55,360 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:10:55,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:10:55,895 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:10:55,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:10:55 BoogieIcfgContainer [2023-11-29 05:10:55,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:10:55,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:10:55,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:10:55,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:10:55,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:10:27" (1/3) ... [2023-11-29 05:10:55,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e649b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:10:55, skipping insertion in model container [2023-11-29 05:10:55,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:10:32" (2/3) ... [2023-11-29 05:10:55,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e649b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:10:55, skipping insertion in model container [2023-11-29 05:10:55,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:10:55" (3/3) ... [2023-11-29 05:10:55,906 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2023-11-29 05:10:55,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:10:55,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:10:56,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:10:56,029 INFO L357 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, mHoare=true, 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;@122f0b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:10:56,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:10:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 2963 states, 1994 states have (on average 1.409729187562688) internal successors, (2811), 2013 states have internal predecessors, (2811), 814 states have call successors, (814), 155 states have call predecessors, (814), 154 states have return successors, (808), 806 states have call predecessors, (808), 808 states have call successors, (808) [2023-11-29 05:10:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-29 05:10:56,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:10:56,084 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2023-11-29 05:10:56,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:10:56,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:56,090 INFO L85 PathProgramCache]: Analyzing trace with hash -520497747, now seen corresponding path program 1 times [2023-11-29 05:10:56,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:56,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307557314] [2023-11-29 05:10:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 05:10:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 05:10:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 05:10:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-29 05:10:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 05:10:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 05:10:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 05:10:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-29 05:10:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-29 05:10:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-29 05:10:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 05:10:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:10:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 05:10:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 05:10:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 05:10:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 05:10:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 05:10:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 05:10:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 05:10:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:10:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 05:10:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 05:10:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2023-11-29 05:10:57,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:57,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307557314] [2023-11-29 05:10:57,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307557314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:57,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:57,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:10:57,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539082735] [2023-11-29 05:10:57,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:57,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:10:57,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:57,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:10:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:10:57,478 INFO L87 Difference]: Start difference. First operand has 2963 states, 1994 states have (on average 1.409729187562688) internal successors, (2811), 2013 states have internal predecessors, (2811), 814 states have call successors, (814), 155 states have call predecessors, (814), 154 states have return successors, (808), 806 states have call predecessors, (808), 808 states have call successors, (808) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 05:11:03,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:06,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:09,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:14,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:16,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:24,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:24,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:11:24,891 INFO L93 Difference]: Finished difference Result 8126 states and 12334 transitions. [2023-11-29 05:11:24,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:11:24,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 208 [2023-11-29 05:11:24,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:11:24,940 INFO L225 Difference]: With dead ends: 8126 [2023-11-29 05:11:24,940 INFO L226 Difference]: Without dead ends: 5090 [2023-11-29 05:11:24,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:11:24,962 INFO L413 NwaCegarLoop]: 3115 mSDtfsCounter, 4156 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 1841 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 5720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1841 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:11:24,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 7423 Invalid, 5720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1841 Valid, 3877 Invalid, 2 Unknown, 0 Unchecked, 26.8s Time] [2023-11-29 05:11:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5090 states. [2023-11-29 05:11:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5090 to 4846. [2023-11-29 05:11:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3686310620012276) internal successors, (4459), 3290 states have internal predecessors, (4459), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:11:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7081 transitions. [2023-11-29 05:11:25,282 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7081 transitions. Word has length 208 [2023-11-29 05:11:25,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:11:25,284 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7081 transitions. [2023-11-29 05:11:25,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 05:11:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7081 transitions. [2023-11-29 05:11:25,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-29 05:11:25,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:11:25,293 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:11:25,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:11:25,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:11:25,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:25,293 INFO L85 PathProgramCache]: Analyzing trace with hash -121712272, now seen corresponding path program 1 times [2023-11-29 05:11:25,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:25,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140241982] [2023-11-29 05:11:25,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:25,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:25,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:11:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437527674] [2023-11-29 05:11:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:11:25,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:11:25,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:11:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:27,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 3672 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:11:27,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:11:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:11:27,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:11:27,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140241982] [2023-11-29 05:11:27,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:11:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437527674] [2023-11-29 05:11:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437527674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:27,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:27,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:11:27,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086508346] [2023-11-29 05:11:27,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:27,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:11:27,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:27,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:11:27,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:27,373 INFO L87 Difference]: Start difference. First operand 4846 states and 7081 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:32,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:35,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:35,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:11:35,676 INFO L93 Difference]: Finished difference Result 9663 states and 14131 transitions. [2023-11-29 05:11:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:11:35,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 209 [2023-11-29 05:11:35,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:11:35,718 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:11:35,718 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:11:35,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:35,742 INFO L413 NwaCegarLoop]: 3933 mSDtfsCounter, 4161 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:11:35,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4161 Valid, 3933 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2023-11-29 05:11:35,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:11:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:11:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3680171884591774) internal successors, (4457), 3290 states have internal predecessors, (4457), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:11:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7079 transitions. [2023-11-29 05:11:35,994 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7079 transitions. Word has length 209 [2023-11-29 05:11:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:11:35,995 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7079 transitions. [2023-11-29 05:11:35,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7079 transitions. [2023-11-29 05:11:36,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-29 05:11:36,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:11:36,004 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:11:36,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:11:36,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:36,204 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:11:36,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2052624897, now seen corresponding path program 1 times [2023-11-29 05:11:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:36,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812719242] [2023-11-29 05:11:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:36,313 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:11:36,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83498907] [2023-11-29 05:11:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:36,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:36,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:11:36,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:11:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:11:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:37,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 3673 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:11:37,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:11:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:11:37,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:11:37,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:37,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812719242] [2023-11-29 05:11:37,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:11:37,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83498907] [2023-11-29 05:11:37,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83498907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:37,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:37,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:11:37,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949493311] [2023-11-29 05:11:37,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:37,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:11:37,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:37,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:11:37,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:37,966 INFO L87 Difference]: Start difference. First operand 4846 states and 7079 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:43,378 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 [] [2023-11-29 05:11:47,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:47,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:11:47,747 INFO L93 Difference]: Finished difference Result 9663 states and 14127 transitions. [2023-11-29 05:11:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:11:47,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 210 [2023-11-29 05:11:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:11:47,786 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:11:47,787 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:11:47,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:47,811 INFO L413 NwaCegarLoop]: 3932 mSDtfsCounter, 4159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:11:47,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4159 Valid, 3932 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2023-11-29 05:11:47,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:11:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:11:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.367403314917127) internal successors, (4455), 3290 states have internal predecessors, (4455), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:11:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7077 transitions. [2023-11-29 05:11:48,078 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7077 transitions. Word has length 210 [2023-11-29 05:11:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:11:48,079 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7077 transitions. [2023-11-29 05:11:48,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7077 transitions. [2023-11-29 05:11:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 05:11:48,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:11:48,085 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:11:48,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:11:48,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:48,286 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:11:48,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:48,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1666857524, now seen corresponding path program 1 times [2023-11-29 05:11:48,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:48,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156698965] [2023-11-29 05:11:48,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:48,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:48,393 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:11:48,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463310008] [2023-11-29 05:11:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:48,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:11:48,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:11:48,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:11:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:49,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:11:49,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:11:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:11:49,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:11:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156698965] [2023-11-29 05:11:49,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:11:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463310008] [2023-11-29 05:11:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463310008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:49,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:49,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:11:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670285455] [2023-11-29 05:11:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:49,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:11:49,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:11:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:49,923 INFO L87 Difference]: Start difference. First operand 4846 states and 7077 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:54,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:59,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:11:59,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:11:59,325 INFO L93 Difference]: Finished difference Result 9663 states and 14123 transitions. [2023-11-29 05:11:59,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:11:59,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 211 [2023-11-29 05:11:59,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:11:59,351 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:11:59,351 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:11:59,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:11:59,365 INFO L413 NwaCegarLoop]: 3931 mSDtfsCounter, 4157 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4157 SdHoareTripleChecker+Valid, 3931 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:11:59,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4157 Valid, 3931 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 05:11:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:11:59,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:11:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3667894413750767) internal successors, (4453), 3290 states have internal predecessors, (4453), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:11:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7075 transitions. [2023-11-29 05:11:59,657 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7075 transitions. Word has length 211 [2023-11-29 05:11:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:11:59,657 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7075 transitions. [2023-11-29 05:11:59,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 2 states have internal predecessors, (73), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:11:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7075 transitions. [2023-11-29 05:11:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-29 05:11:59,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:11:59,666 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:11:59,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:11:59,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:59,866 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:11:59,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:59,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1816513051, now seen corresponding path program 1 times [2023-11-29 05:11:59,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:59,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438518002] [2023-11-29 05:11:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:59,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:11:59,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227762398] [2023-11-29 05:11:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:59,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:11:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:11:59,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:11:59,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:12:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:01,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 3675 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:01,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:01,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:01,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438518002] [2023-11-29 05:12:01,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227762398] [2023-11-29 05:12:01,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227762398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:01,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:01,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:01,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364824113] [2023-11-29 05:12:01,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:01,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:01,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:01,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:01,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:01,753 INFO L87 Difference]: Start difference. First operand 4846 states and 7075 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:06,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:10,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:10,730 INFO L93 Difference]: Finished difference Result 9663 states and 14119 transitions. [2023-11-29 05:12:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:10,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 212 [2023-11-29 05:12:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:10,763 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:12:10,763 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:12:10,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:10,785 INFO L413 NwaCegarLoop]: 3930 mSDtfsCounter, 4155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:10,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 3930 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-11-29 05:12:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:12:11,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:12:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3661755678330263) internal successors, (4451), 3290 states have internal predecessors, (4451), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:12:11,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7073 transitions. [2023-11-29 05:12:11,111 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7073 transitions. Word has length 212 [2023-11-29 05:12:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:11,112 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7073 transitions. [2023-11-29 05:12:11,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7073 transitions. [2023-11-29 05:12:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 05:12:11,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:11,121 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:11,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:12:11,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:11,329 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:11,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:11,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1753632216, now seen corresponding path program 1 times [2023-11-29 05:12:11,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:11,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027672387] [2023-11-29 05:12:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:11,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:11,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943001695] [2023-11-29 05:12:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:11,453 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:11,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:12:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:12,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 3676 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:12,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:13,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:13,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:13,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027672387] [2023-11-29 05:12:13,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:13,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943001695] [2023-11-29 05:12:13,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943001695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:13,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:13,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:13,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771893008] [2023-11-29 05:12:13,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:13,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:13,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:13,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:13,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:13,077 INFO L87 Difference]: Start difference. First operand 4846 states and 7073 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:17,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:20,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:21,141 INFO L93 Difference]: Finished difference Result 9663 states and 14115 transitions. [2023-11-29 05:12:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:21,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 213 [2023-11-29 05:12:21,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:21,168 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:12:21,168 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:12:21,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:21,181 INFO L413 NwaCegarLoop]: 3929 mSDtfsCounter, 4153 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4153 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:21,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4153 Valid, 3929 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-11-29 05:12:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:12:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:12:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.365561694290976) internal successors, (4449), 3290 states have internal predecessors, (4449), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:12:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7071 transitions. [2023-11-29 05:12:21,422 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7071 transitions. Word has length 213 [2023-11-29 05:12:21,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:21,422 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7071 transitions. [2023-11-29 05:12:21,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7071 transitions. [2023-11-29 05:12:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 05:12:21,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:21,428 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:21,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:12:21,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:21,629 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:21,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash -644469193, now seen corresponding path program 1 times [2023-11-29 05:12:21,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:21,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67493099] [2023-11-29 05:12:21,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:21,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:21,756 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:21,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434177307] [2023-11-29 05:12:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:21,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:21,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:21,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:12:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:23,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 3677 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:23,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:23,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:23,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:23,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67493099] [2023-11-29 05:12:23,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:23,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434177307] [2023-11-29 05:12:23,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434177307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:23,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:23,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:23,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747099649] [2023-11-29 05:12:23,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:23,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:23,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:23,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:23,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:23,338 INFO L87 Difference]: Start difference. First operand 4846 states and 7071 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:28,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:32,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:32,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:32,281 INFO L93 Difference]: Finished difference Result 9663 states and 14111 transitions. [2023-11-29 05:12:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:32,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 214 [2023-11-29 05:12:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:32,299 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:12:32,300 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:12:32,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:32,309 INFO L413 NwaCegarLoop]: 3928 mSDtfsCounter, 4151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4151 SdHoareTripleChecker+Valid, 3928 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4151 Valid, 3928 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 05:12:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:12:32,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:12:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3649478207489256) internal successors, (4447), 3290 states have internal predecessors, (4447), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:12:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7069 transitions. [2023-11-29 05:12:32,614 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7069 transitions. Word has length 214 [2023-11-29 05:12:32,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:32,615 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7069 transitions. [2023-11-29 05:12:32,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7069 transitions. [2023-11-29 05:12:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 05:12:32,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:32,622 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:32,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-29 05:12:32,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:32,823 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:32,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash -505637244, now seen corresponding path program 1 times [2023-11-29 05:12:32,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:32,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271555886] [2023-11-29 05:12:32,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:32,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:32,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:32,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925604517] [2023-11-29 05:12:32,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:32,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:32,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:32,947 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:32,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:12:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:34,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 3678 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:34,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:34,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:34,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:34,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271555886] [2023-11-29 05:12:34,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:34,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925604517] [2023-11-29 05:12:34,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925604517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:34,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:34,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:34,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516199238] [2023-11-29 05:12:34,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:34,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:34,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:34,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:34,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:34,686 INFO L87 Difference]: Start difference. First operand 4846 states and 7069 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:39,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:43,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:43,989 INFO L93 Difference]: Finished difference Result 9663 states and 14107 transitions. [2023-11-29 05:12:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:43,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 215 [2023-11-29 05:12:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:44,009 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:12:44,009 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:12:44,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:44,022 INFO L413 NwaCegarLoop]: 3927 mSDtfsCounter, 4149 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:44,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 3927 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-11-29 05:12:44,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:12:44,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:12:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.3643339472068754) internal successors, (4445), 3290 states have internal predecessors, (4445), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:12:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7067 transitions. [2023-11-29 05:12:44,288 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7067 transitions. Word has length 215 [2023-11-29 05:12:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:44,288 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7067 transitions. [2023-11-29 05:12:44,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7067 transitions. [2023-11-29 05:12:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 05:12:44,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:44,294 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:44,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:12:44,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:44,495 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:44,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash -382297517, now seen corresponding path program 1 times [2023-11-29 05:12:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:44,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753566503] [2023-11-29 05:12:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:44,612 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:44,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848520456] [2023-11-29 05:12:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:44,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:44,614 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:12:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:46,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 3679 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:46,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:46,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:46,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:46,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753566503] [2023-11-29 05:12:46,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:46,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848520456] [2023-11-29 05:12:46,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848520456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:46,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:46,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:46,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170885433] [2023-11-29 05:12:46,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:46,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:46,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:46,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:46,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:46,259 INFO L87 Difference]: Start difference. First operand 4846 states and 7067 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:50,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:52,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:12:53,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:12:53,281 INFO L93 Difference]: Finished difference Result 9663 states and 14103 transitions. [2023-11-29 05:12:53,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:12:53,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 216 [2023-11-29 05:12:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:12:53,333 INFO L225 Difference]: With dead ends: 9663 [2023-11-29 05:12:53,334 INFO L226 Difference]: Without dead ends: 4846 [2023-11-29 05:12:53,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:53,343 INFO L413 NwaCegarLoop]: 3926 mSDtfsCounter, 4147 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4147 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:12:53,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4147 Valid, 3926 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2023-11-29 05:12:53,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2023-11-29 05:12:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4846. [2023-11-29 05:12:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 3258 states have (on average 1.363720073664825) internal successors, (4443), 3290 states have internal predecessors, (4443), 1311 states have call successors, (1311), 277 states have call predecessors, (1311), 276 states have return successors, (1311), 1304 states have call predecessors, (1311), 1311 states have call successors, (1311) [2023-11-29 05:12:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7065 transitions. [2023-11-29 05:12:53,597 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7065 transitions. Word has length 216 [2023-11-29 05:12:53,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:12:53,598 INFO L495 AbstractCegarLoop]: Abstraction has 4846 states and 7065 transitions. [2023-11-29 05:12:53,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7065 transitions. [2023-11-29 05:12:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 05:12:53,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:12:53,605 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:12:53,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:12:53,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:53,806 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:12:53,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:53,807 INFO L85 PathProgramCache]: Analyzing trace with hash -739216672, now seen corresponding path program 1 times [2023-11-29 05:12:53,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:53,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815169850] [2023-11-29 05:12:53,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:53,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:53,947 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:12:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841411881] [2023-11-29 05:12:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:53,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:12:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:12:53,949 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:12:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:12:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:55,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 3680 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:12:55,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:12:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:12:55,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:12:55,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:55,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815169850] [2023-11-29 05:12:55,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:12:55,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841411881] [2023-11-29 05:12:55,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841411881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:55,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:55,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:12:55,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313649994] [2023-11-29 05:12:55,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:55,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:12:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:55,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:12:55,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:12:55,704 INFO L87 Difference]: Start difference. First operand 4846 states and 7065 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:12:59,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:04,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:04,412 INFO L93 Difference]: Finished difference Result 9793 states and 14271 transitions. [2023-11-29 05:13:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:04,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 217 [2023-11-29 05:13:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:04,432 INFO L225 Difference]: With dead ends: 9793 [2023-11-29 05:13:04,432 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:13:04,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:04,445 INFO L413 NwaCegarLoop]: 4002 mSDtfsCounter, 4077 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:04,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4077 Valid, 4140 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2023-11-29 05:13:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:13:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:13:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.365453460620525) internal successors, (4577), 3384 states have internal predecessors, (4577), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:13:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7235 transitions. [2023-11-29 05:13:04,844 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7235 transitions. Word has length 217 [2023-11-29 05:13:04,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:04,845 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7235 transitions. [2023-11-29 05:13:04,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7235 transitions. [2023-11-29 05:13:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 05:13:04,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:04,852 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:04,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:13:05,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:05,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:05,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1195708015, now seen corresponding path program 1 times [2023-11-29 05:13:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172587879] [2023-11-29 05:13:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:05,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:05,202 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977530815] [2023-11-29 05:13:05,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:05,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:05,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:05,203 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:05,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 05:13:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:07,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 3681 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:07,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:13:07,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172587879] [2023-11-29 05:13:07,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977530815] [2023-11-29 05:13:07,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977530815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:07,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:07,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801643687] [2023-11-29 05:13:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:07,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:07,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:07,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:07,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:07,393 INFO L87 Difference]: Start difference. First operand 4976 states and 7235 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:12,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:15,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:15,919 INFO L93 Difference]: Finished difference Result 9923 states and 14439 transitions. [2023-11-29 05:13:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:15,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 218 [2023-11-29 05:13:15,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:15,940 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:13:15,941 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:13:15,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:15,954 INFO L413 NwaCegarLoop]: 3924 mSDtfsCounter, 4143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4143 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:15,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4143 Valid, 3924 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2023-11-29 05:13:15,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:13:16,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:13:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.364856801909308) internal successors, (4575), 3384 states have internal predecessors, (4575), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:13:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7233 transitions. [2023-11-29 05:13:16,320 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7233 transitions. Word has length 218 [2023-11-29 05:13:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:16,321 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7233 transitions. [2023-11-29 05:13:16,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7233 transitions. [2023-11-29 05:13:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 05:13:16,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:16,326 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:16,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:13:16,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 05:13:16,527 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:16,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:16,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1163347772, now seen corresponding path program 1 times [2023-11-29 05:13:16,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:16,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281567332] [2023-11-29 05:13:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:16,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:16,673 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:16,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020591872] [2023-11-29 05:13:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:16,674 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:16,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 05:13:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:18,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 3682 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:18,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:13:18,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:18,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:18,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281567332] [2023-11-29 05:13:18,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:18,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020591872] [2023-11-29 05:13:18,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020591872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:18,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:18,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:18,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457649712] [2023-11-29 05:13:18,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:18,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:18,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:18,776 INFO L87 Difference]: Start difference. First operand 4976 states and 7233 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:23,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:28,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:28,351 INFO L93 Difference]: Finished difference Result 9923 states and 14435 transitions. [2023-11-29 05:13:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:28,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 219 [2023-11-29 05:13:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:28,365 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:13:28,365 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:13:28,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:28,375 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 4141 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4141 SdHoareTripleChecker+Valid, 3923 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:28,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4141 Valid, 3923 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2023-11-29 05:13:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:13:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:13:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.3642601431980907) internal successors, (4573), 3384 states have internal predecessors, (4573), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:13:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7231 transitions. [2023-11-29 05:13:28,674 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7231 transitions. Word has length 219 [2023-11-29 05:13:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:28,675 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7231 transitions. [2023-11-29 05:13:28,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7231 transitions. [2023-11-29 05:13:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 05:13:28,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:28,682 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:28,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 05:13:28,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 05:13:28,882 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:28,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash 274696843, now seen corresponding path program 1 times [2023-11-29 05:13:28,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:28,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692784038] [2023-11-29 05:13:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:28,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:29,007 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:29,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387444680] [2023-11-29 05:13:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:29,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:29,009 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:29,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 05:13:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:30,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 3683 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:30,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:13:30,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:30,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:30,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692784038] [2023-11-29 05:13:30,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:30,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387444680] [2023-11-29 05:13:30,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387444680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:30,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:30,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:30,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528984607] [2023-11-29 05:13:30,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:30,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:30,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:30,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:30,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:30,600 INFO L87 Difference]: Start difference. First operand 4976 states and 7231 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:35,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:39,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:39,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:39,922 INFO L93 Difference]: Finished difference Result 9923 states and 14431 transitions. [2023-11-29 05:13:39,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:39,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 220 [2023-11-29 05:13:39,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:39,937 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:13:39,938 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:13:39,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:39,949 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 4139 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4139 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:39,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4139 Valid, 3922 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-11-29 05:13:39,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:13:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:13:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.3636634844868736) internal successors, (4571), 3384 states have internal predecessors, (4571), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:13:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7229 transitions. [2023-11-29 05:13:40,321 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7229 transitions. Word has length 220 [2023-11-29 05:13:40,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:40,322 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7229 transitions. [2023-11-29 05:13:40,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7229 transitions. [2023-11-29 05:13:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 05:13:40,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:40,327 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:40,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 05:13:40,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 05:13:40,527 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:40,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1389161576, now seen corresponding path program 1 times [2023-11-29 05:13:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:40,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142622766] [2023-11-29 05:13:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:40,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491547484] [2023-11-29 05:13:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:40,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:40,612 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:40,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 05:13:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:41,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 3684 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:41,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:13:42,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:42,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:42,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142622766] [2023-11-29 05:13:42,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:42,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491547484] [2023-11-29 05:13:42,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491547484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:42,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:42,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:42,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631309589] [2023-11-29 05:13:42,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:42,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:42,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:42,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:42,226 INFO L87 Difference]: Start difference. First operand 4976 states and 7229 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:47,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:50,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:13:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:13:50,453 INFO L93 Difference]: Finished difference Result 9923 states and 14427 transitions. [2023-11-29 05:13:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:13:50,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 221 [2023-11-29 05:13:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:13:50,467 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:13:50,467 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:13:50,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:50,476 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 4137 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4137 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:13:50,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4137 Valid, 3921 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2023-11-29 05:13:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:13:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:13:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.3630668257756564) internal successors, (4569), 3384 states have internal predecessors, (4569), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:13:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7227 transitions. [2023-11-29 05:13:50,813 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7227 transitions. Word has length 221 [2023-11-29 05:13:50,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:13:50,813 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7227 transitions. [2023-11-29 05:13:50,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7227 transitions. [2023-11-29 05:13:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 05:13:50,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:13:50,818 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:13:50,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 05:13:51,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 05:13:51,018 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:13:51,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1314648409, now seen corresponding path program 1 times [2023-11-29 05:13:51,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:51,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458407059] [2023-11-29 05:13:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:51,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:13:51,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130751706] [2023-11-29 05:13:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:51,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:13:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:13:51,112 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:13:51,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 05:13:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:52,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 3685 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:13:52,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:13:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:13:52,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:13:52,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458407059] [2023-11-29 05:13:52,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:13:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130751706] [2023-11-29 05:13:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130751706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:52,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:52,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:13:52,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52489010] [2023-11-29 05:13:52,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:52,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:13:52,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:52,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:13:52,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:13:52,680 INFO L87 Difference]: Start difference. First operand 4976 states and 7227 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:13:57,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:01,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:14:02,021 INFO L93 Difference]: Finished difference Result 9923 states and 14423 transitions. [2023-11-29 05:14:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:14:02,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 222 [2023-11-29 05:14:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:14:02,036 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:14:02,036 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:14:02,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:02,046 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 4135 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:14:02,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 3920 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2023-11-29 05:14:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:14:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:14:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.3624701670644392) internal successors, (4567), 3384 states have internal predecessors, (4567), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:14:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7225 transitions. [2023-11-29 05:14:02,417 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7225 transitions. Word has length 222 [2023-11-29 05:14:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:14:02,418 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7225 transitions. [2023-11-29 05:14:02,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:14:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7225 transitions. [2023-11-29 05:14:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 05:14:02,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:14:02,422 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:14:02,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 05:14:02,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 05:14:02,623 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:14:02,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:14:02,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1109776372, now seen corresponding path program 1 times [2023-11-29 05:14:02,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:14:02,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137558570] [2023-11-29 05:14:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:02,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:14:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518088272] [2023-11-29 05:14:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:02,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:14:02,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:14:02,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:14:02,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 05:14:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:04,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 3686 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:14:04,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:14:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:14:04,487 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:14:04,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137558570] [2023-11-29 05:14:04,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:14:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518088272] [2023-11-29 05:14:04,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518088272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:04,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:04,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:14:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76109465] [2023-11-29 05:14:04,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:04,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:14:04,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:04,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:14:04,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:04,490 INFO L87 Difference]: Start difference. First operand 4976 states and 7225 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:14:09,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:13,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:13,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:14:13,694 INFO L93 Difference]: Finished difference Result 9923 states and 14419 transitions. [2023-11-29 05:14:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:14:13,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 223 [2023-11-29 05:14:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:14:13,709 INFO L225 Difference]: With dead ends: 9923 [2023-11-29 05:14:13,709 INFO L226 Difference]: Without dead ends: 4976 [2023-11-29 05:14:13,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:13,740 INFO L413 NwaCegarLoop]: 3919 mSDtfsCounter, 4133 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4133 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:14:13,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4133 Valid, 3919 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 05:14:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2023-11-29 05:14:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2023-11-29 05:14:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 3352 states have (on average 1.3618735083532219) internal successors, (4565), 3384 states have internal predecessors, (4565), 1329 states have call successors, (1329), 295 states have call predecessors, (1329), 294 states have return successors, (1329), 1322 states have call predecessors, (1329), 1329 states have call successors, (1329) [2023-11-29 05:14:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7223 transitions. [2023-11-29 05:14:14,064 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7223 transitions. Word has length 223 [2023-11-29 05:14:14,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:14:14,065 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7223 transitions. [2023-11-29 05:14:14,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:14:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7223 transitions. [2023-11-29 05:14:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 05:14:14,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:14:14,070 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:14:14,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 05:14:14,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 05:14:14,271 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:14:14,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:14:14,271 INFO L85 PathProgramCache]: Analyzing trace with hash -927950141, now seen corresponding path program 1 times [2023-11-29 05:14:14,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:14:14,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595273561] [2023-11-29 05:14:14,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:14,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:14,397 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:14:14,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556335538] [2023-11-29 05:14:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:14,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:14:14,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:14:14,399 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:14:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 05:14:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:15,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 3687 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:14:15,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:14:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-29 05:14:16,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:14:16,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:16,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595273561] [2023-11-29 05:14:16,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:14:16,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556335538] [2023-11-29 05:14:16,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556335538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:16,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:16,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:14:16,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121344731] [2023-11-29 05:14:16,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:16,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:14:16,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:16,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:14:16,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:16,144 INFO L87 Difference]: Start difference. First operand 4976 states and 7223 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:14:21,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:25,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:28,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:32,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:37,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:41,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:14:41,949 INFO L93 Difference]: Finished difference Result 14863 states and 21587 transitions. [2023-11-29 05:14:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:14:41,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 224 [2023-11-29 05:14:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:14:41,994 INFO L225 Difference]: With dead ends: 14863 [2023-11-29 05:14:41,994 INFO L226 Difference]: Without dead ends: 9916 [2023-11-29 05:14:42,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:42,004 INFO L413 NwaCegarLoop]: 4396 mSDtfsCounter, 4129 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4129 SdHoareTripleChecker+Valid, 8257 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:14:42,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4129 Valid, 8257 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 708 Invalid, 5 Unknown, 0 Unchecked, 24.9s Time] [2023-11-29 05:14:42,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9916 states. [2023-11-29 05:14:42,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9916 to 9913. [2023-11-29 05:14:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9913 states, 6683 states have (on average 1.3627113571749214) internal successors, (9107), 6750 states have internal predecessors, (9107), 2642 states have call successors, (2642), 590 states have call predecessors, (2642), 587 states have return successors, (2642), 2624 states have call predecessors, (2642), 2642 states have call successors, (2642) [2023-11-29 05:14:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9913 states to 9913 states and 14391 transitions. [2023-11-29 05:14:42,727 INFO L78 Accepts]: Start accepts. Automaton has 9913 states and 14391 transitions. Word has length 224 [2023-11-29 05:14:42,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:14:42,728 INFO L495 AbstractCegarLoop]: Abstraction has 9913 states and 14391 transitions. [2023-11-29 05:14:42,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 05:14:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 9913 states and 14391 transitions. [2023-11-29 05:14:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 05:14:42,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:14:42,733 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:14:42,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 05:14:42,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 05:14:42,933 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:14:42,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:14:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash -899320990, now seen corresponding path program 1 times [2023-11-29 05:14:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:14:42,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776477371] [2023-11-29 05:14:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:43,020 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:14:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795810796] [2023-11-29 05:14:43,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:14:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:14:43,022 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:14:43,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 05:14:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:44,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 3686 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:14:44,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:14:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-29 05:14:44,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:14:44,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:44,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776477371] [2023-11-29 05:14:44,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:14:44,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795810796] [2023-11-29 05:14:44,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795810796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:44,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:44,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:14:44,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001606799] [2023-11-29 05:14:44,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:44,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:14:44,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:44,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:14:44,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:14:44,390 INFO L87 Difference]: Start difference. First operand 9913 states and 14391 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 05:14:49,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:52,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:57,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:01,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:05,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:06,258 INFO L93 Difference]: Finished difference Result 26017 states and 37742 transitions. [2023-11-29 05:15:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:06,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 224 [2023-11-29 05:15:06,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:06,294 INFO L225 Difference]: With dead ends: 26017 [2023-11-29 05:15:06,294 INFO L226 Difference]: Without dead ends: 16133 [2023-11-29 05:15:06,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:06,311 INFO L413 NwaCegarLoop]: 5246 mSDtfsCounter, 3037 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 18 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 9064 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:06,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 9064 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 875 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2023-11-29 05:15:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16133 states. [2023-11-29 05:15:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16133 to 16127. [2023-11-29 05:15:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16127 states, 11022 states have (on average 1.3700780257666485) internal successors, (15101), 11120 states have internal predecessors, (15101), 4114 states have call successors, (4114), 994 states have call predecessors, (4114), 990 states have return successors, (4114), 4086 states have call predecessors, (4114), 4114 states have call successors, (4114) [2023-11-29 05:15:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16127 states to 16127 states and 23329 transitions. [2023-11-29 05:15:07,546 INFO L78 Accepts]: Start accepts. Automaton has 16127 states and 23329 transitions. Word has length 224 [2023-11-29 05:15:07,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:07,546 INFO L495 AbstractCegarLoop]: Abstraction has 16127 states and 23329 transitions. [2023-11-29 05:15:07,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 05:15:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 16127 states and 23329 transitions. [2023-11-29 05:15:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-29 05:15:07,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:07,554 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 4, 4, 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] [2023-11-29 05:15:07,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 05:15:07,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 05:15:07,755 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:07,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash -920794389, now seen corresponding path program 1 times [2023-11-29 05:15:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368997440] [2023-11-29 05:15:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:07,877 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:15:07,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072722376] [2023-11-29 05:15:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:07,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:15:07,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:15:07,879 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:15:07,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 05:15:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:09,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 3896 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:15:09,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:15:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2023-11-29 05:15:09,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:15:09,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368997440] [2023-11-29 05:15:09,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:15:09,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072722376] [2023-11-29 05:15:09,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072722376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:09,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:09,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:15:09,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674157962] [2023-11-29 05:15:09,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:09,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:09,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:09,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:09,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:09,462 INFO L87 Difference]: Start difference. First operand 16127 states and 23329 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 05:15:15,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:19,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:23,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:27,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:31,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:32,535 INFO L93 Difference]: Finished difference Result 37393 states and 54086 transitions. [2023-11-29 05:15:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:32,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 272 [2023-11-29 05:15:32,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:32,589 INFO L225 Difference]: With dead ends: 37393 [2023-11-29 05:15:32,589 INFO L226 Difference]: Without dead ends: 21295 [2023-11-29 05:15:32,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:32,618 INFO L413 NwaCegarLoop]: 5185 mSDtfsCounter, 3031 mSDsluCounter, 3809 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 19 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:32,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 8994 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 874 Invalid, 4 Unknown, 0 Unchecked, 21.6s Time] [2023-11-29 05:15:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21295 states. [2023-11-29 05:15:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21295 to 21289. [2023-11-29 05:15:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21289 states, 14599 states have (on average 1.3726282622097403) internal successors, (20039), 14728 states have internal predecessors, (20039), 5350 states have call successors, (5350), 1344 states have call predecessors, (5350), 1339 states have return successors, (5350), 5312 states have call predecessors, (5350), 5350 states have call successors, (5350) [2023-11-29 05:15:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21289 states to 21289 states and 30739 transitions. [2023-11-29 05:15:34,423 INFO L78 Accepts]: Start accepts. Automaton has 21289 states and 30739 transitions. Word has length 272 [2023-11-29 05:15:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:34,424 INFO L495 AbstractCegarLoop]: Abstraction has 21289 states and 30739 transitions. [2023-11-29 05:15:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-29 05:15:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 21289 states and 30739 transitions. [2023-11-29 05:15:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-29 05:15:34,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:34,433 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 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] [2023-11-29 05:15:34,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 05:15:34,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:15:34,634 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:34,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:34,634 INFO L85 PathProgramCache]: Analyzing trace with hash -788483600, now seen corresponding path program 1 times [2023-11-29 05:15:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:34,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265097117] [2023-11-29 05:15:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:34,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:34,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265097117] [2023-11-29 05:15:34,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:15:34,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737378402] [2023-11-29 05:15:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:34,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:15:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:15:34,853 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:15:34,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 05:15:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:36,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 3899 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:15:36,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:15:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-29 05:15:36,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:15:36,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737378402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:36,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:36,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:15:36,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521849842] [2023-11-29 05:15:36,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:36,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:36,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:36,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:36,468 INFO L87 Difference]: Start difference. First operand 21289 states and 30739 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-29 05:15:41,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:45,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:50,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:52,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:54,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:54,124 INFO L93 Difference]: Finished difference Result 48805 states and 70458 transitions. [2023-11-29 05:15:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:54,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 272 [2023-11-29 05:15:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:54,201 INFO L225 Difference]: With dead ends: 48805 [2023-11-29 05:15:54,201 INFO L226 Difference]: Without dead ends: 27545 [2023-11-29 05:15:54,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:54,242 INFO L413 NwaCegarLoop]: 4577 mSDtfsCounter, 4157 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 38 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4157 SdHoareTripleChecker+Valid, 7359 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:54,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4157 Valid, 7359 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 679 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2023-11-29 05:15:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27545 states. [2023-11-29 05:15:56,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27545 to 27539. [2023-11-29 05:15:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27539 states, 18954 states have (on average 1.3760156167563575) internal successors, (26081), 19114 states have internal predecessors, (26081), 6826 states have call successors, (6826), 1764 states have call predecessors, (6826), 1758 states have return successors, (6826), 6778 states have call predecessors, (6826), 6826 states have call successors, (6826) [2023-11-29 05:15:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27539 states to 27539 states and 39733 transitions. [2023-11-29 05:15:56,221 INFO L78 Accepts]: Start accepts. Automaton has 27539 states and 39733 transitions. Word has length 272 [2023-11-29 05:15:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:56,222 INFO L495 AbstractCegarLoop]: Abstraction has 27539 states and 39733 transitions. [2023-11-29 05:15:56,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-29 05:15:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 27539 states and 39733 transitions. [2023-11-29 05:15:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-11-29 05:15:56,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:56,229 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 8, 8, 3, 3, 3, 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] [2023-11-29 05:15:56,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 05:15:56,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:15:56,430 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:56,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 578897628, now seen corresponding path program 1 times [2023-11-29 05:15:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:56,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731806348] [2023-11-29 05:15:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:56,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:56,527 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:15:56,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812151083] [2023-11-29 05:15:56,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:56,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:15:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:15:56,529 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:15:56,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 05:15:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:57,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 4103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:15:57,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:15:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2023-11-29 05:15:58,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:15:58,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:58,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731806348] [2023-11-29 05:15:58,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:15:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812151083] [2023-11-29 05:15:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812151083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:58,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:58,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:15:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586809108] [2023-11-29 05:15:58,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:58,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:58,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:58,099 INFO L87 Difference]: Start difference. First operand 27539 states and 39733 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 05:16:03,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:11,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:13,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:16:13,748 INFO L93 Difference]: Finished difference Result 62089 states and 89561 transitions. [2023-11-29 05:16:13,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:16:13,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 335 [2023-11-29 05:16:13,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:16:13,878 INFO L225 Difference]: With dead ends: 62089 [2023-11-29 05:16:13,878 INFO L226 Difference]: Without dead ends: 34579 [2023-11-29 05:16:13,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:16:13,932 INFO L413 NwaCegarLoop]: 4347 mSDtfsCounter, 3704 mSDsluCounter, 3427 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 28 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 7774 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:16:13,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 7774 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 742 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2023-11-29 05:16:13,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34579 states. [2023-11-29 05:16:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34579 to 34573. [2023-11-29 05:16:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34573 states, 23863 states have (on average 1.3762728910866195) internal successors, (32842), 24058 states have internal predecessors, (32842), 8492 states have call successors, (8492), 2224 states have call predecessors, (8492), 2217 states have return successors, (8492), 8434 states have call predecessors, (8492), 8492 states have call successors, (8492) [2023-11-29 05:16:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34573 states to 34573 states and 49826 transitions. [2023-11-29 05:16:16,318 INFO L78 Accepts]: Start accepts. Automaton has 34573 states and 49826 transitions. Word has length 335 [2023-11-29 05:16:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:16:16,319 INFO L495 AbstractCegarLoop]: Abstraction has 34573 states and 49826 transitions. [2023-11-29 05:16:16,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-29 05:16:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 34573 states and 49826 transitions. [2023-11-29 05:16:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2023-11-29 05:16:16,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:16:16,329 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:16,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 05:16:16,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 05:16:16,529 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:16:16,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash 780113166, now seen corresponding path program 1 times [2023-11-29 05:16:16,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:16:16,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138695967] [2023-11-29 05:16:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:16:16,640 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:16:16,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43421781] [2023-11-29 05:16:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:16,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:16:16,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:16:16,641 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:16:16,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 05:16:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:18,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 4180 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:16:18,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-29 05:16:18,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:16:18,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:16:18,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138695967] [2023-11-29 05:16:18,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:16:18,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43421781] [2023-11-29 05:16:18,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43421781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:16:18,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:16:18,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:16:18,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332095659] [2023-11-29 05:16:18,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:18,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:16:18,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:16:18,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:16:18,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:16:18,110 INFO L87 Difference]: Start difference. First operand 34573 states and 49826 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:16:23,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:27,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:30,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:34,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:39,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:41,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:16:41,669 INFO L93 Difference]: Finished difference Result 74271 states and 107014 transitions. [2023-11-29 05:16:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:16:41,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 371 [2023-11-29 05:16:41,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:16:41,797 INFO L225 Difference]: With dead ends: 74271 [2023-11-29 05:16:41,797 INFO L226 Difference]: Without dead ends: 39727 [2023-11-29 05:16:41,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:16:41,871 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 3723 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 27 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 9732 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:16:41,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 9732 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 946 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2023-11-29 05:16:41,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39727 states. [2023-11-29 05:16:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39727 to 39721. [2023-11-29 05:16:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39721 states, 27434 states have (on average 1.3757381351607494) internal successors, (37742), 27660 states have internal predecessors, (37742), 9722 states have call successors, (9722), 2572 states have call predecessors, (9722), 2564 states have return successors, (9722), 9654 states have call predecessors, (9722), 9722 states have call successors, (9722) [2023-11-29 05:16:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39721 states to 39721 states and 57186 transitions. [2023-11-29 05:16:44,791 INFO L78 Accepts]: Start accepts. Automaton has 39721 states and 57186 transitions. Word has length 371 [2023-11-29 05:16:44,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:16:44,791 INFO L495 AbstractCegarLoop]: Abstraction has 39721 states and 57186 transitions. [2023-11-29 05:16:44,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:16:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 39721 states and 57186 transitions. [2023-11-29 05:16:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2023-11-29 05:16:44,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:16:44,804 INFO L195 NwaCegarLoop]: trace histogram [22, 14, 14, 14, 14, 14, 14, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:44,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 05:16:45,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:16:45,004 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:16:45,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1268160272, now seen corresponding path program 1 times [2023-11-29 05:16:45,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:16:45,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946262232] [2023-11-29 05:16:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:16:45,096 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:16:45,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178080770] [2023-11-29 05:16:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:45,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:16:45,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:16:45,097 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:16:45,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 05:16:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:46,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 4181 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:16:46,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:16:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-29 05:16:46,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:16:46,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:16:46,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946262232] [2023-11-29 05:16:46,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:16:46,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178080770] [2023-11-29 05:16:46,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178080770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:16:46,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:16:46,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:16:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209355200] [2023-11-29 05:16:46,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:46,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:16:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:16:46,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:16:46,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:16:46,587 INFO L87 Difference]: Start difference. First operand 39721 states and 57186 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:16:51,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:16:56,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:00,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:04,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:07,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:17:07,135 INFO L93 Difference]: Finished difference Result 84563 states and 121732 transitions. [2023-11-29 05:17:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:17:07,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 371 [2023-11-29 05:17:07,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:17:07,266 INFO L225 Difference]: With dead ends: 84563 [2023-11-29 05:17:07,267 INFO L226 Difference]: Without dead ends: 44871 [2023-11-29 05:17:07,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:17:07,347 INFO L413 NwaCegarLoop]: 5633 mSDtfsCounter, 3667 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 9073 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:17:07,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 9073 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 865 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2023-11-29 05:17:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44871 states. [2023-11-29 05:17:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44871 to 44865. [2023-11-29 05:17:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44865 states, 31003 states have (on average 1.3762539109118472) internal successors, (42668), 31260 states have internal predecessors, (42668), 10952 states have call successors, (10952), 2918 states have call predecessors, (10952), 2909 states have return successors, (10952), 10874 states have call predecessors, (10952), 10952 states have call successors, (10952) [2023-11-29 05:17:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44865 states to 44865 states and 64572 transitions. [2023-11-29 05:17:10,670 INFO L78 Accepts]: Start accepts. Automaton has 44865 states and 64572 transitions. Word has length 371 [2023-11-29 05:17:10,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:17:10,670 INFO L495 AbstractCegarLoop]: Abstraction has 44865 states and 64572 transitions. [2023-11-29 05:17:10,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:17:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 44865 states and 64572 transitions. [2023-11-29 05:17:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2023-11-29 05:17:10,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:17:10,681 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:17:10,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 05:17:10,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:17:10,882 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:17:10,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:17:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1505118536, now seen corresponding path program 1 times [2023-11-29 05:17:10,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:17:10,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788533064] [2023-11-29 05:17:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:17:10,996 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:17:10,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271819421] [2023-11-29 05:17:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:17:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:17:10,998 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:17:11,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 05:17:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:17:12,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 4459 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:17:12,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:17:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2023-11-29 05:17:12,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:17:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:17:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788533064] [2023-11-29 05:17:12,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:17:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271819421] [2023-11-29 05:17:12,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271819421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:17:12,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:17:12,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:17:12,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604533058] [2023-11-29 05:17:12,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:17:12,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:17:12,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:17:12,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:17:12,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:17:12,517 INFO L87 Difference]: Start difference. First operand 44865 states and 64572 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-29 05:17:18,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:22,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:26,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:27,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:17:30,771 INFO L93 Difference]: Finished difference Result 94851 states and 136504 transitions. [2023-11-29 05:17:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:17:30,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 423 [2023-11-29 05:17:30,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:17:30,919 INFO L225 Difference]: With dead ends: 94851 [2023-11-29 05:17:30,919 INFO L226 Difference]: Without dead ends: 50015 [2023-11-29 05:17:31,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:17:31,004 INFO L413 NwaCegarLoop]: 5177 mSDtfsCounter, 3729 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 28 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8548 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:17:31,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 8548 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 837 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2023-11-29 05:17:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50015 states. [2023-11-29 05:17:34,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50015 to 50009. [2023-11-29 05:17:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50009 states, 34572 states have (on average 1.376547495082726) internal successors, (47590), 34860 states have internal predecessors, (47590), 12182 states have call successors, (12182), 3264 states have call predecessors, (12182), 3254 states have return successors, (12182), 12094 states have call predecessors, (12182), 12182 states have call successors, (12182) [2023-11-29 05:17:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50009 states to 50009 states and 71954 transitions. [2023-11-29 05:17:34,670 INFO L78 Accepts]: Start accepts. Automaton has 50009 states and 71954 transitions. Word has length 423 [2023-11-29 05:17:34,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:17:34,671 INFO L495 AbstractCegarLoop]: Abstraction has 50009 states and 71954 transitions. [2023-11-29 05:17:34,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-29 05:17:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 50009 states and 71954 transitions. [2023-11-29 05:17:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2023-11-29 05:17:34,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:17:34,682 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:17:34,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-29 05:17:34,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:17:34,883 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:17:34,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:17:34,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1993165642, now seen corresponding path program 1 times [2023-11-29 05:17:34,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:17:34,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303213976] [2023-11-29 05:17:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:34,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:17:34,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:17:34,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [586729125] [2023-11-29 05:17:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:34,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:17:34,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:17:34,990 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:17:34,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 05:17:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:17:36,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 4460 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:17:36,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:17:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2023-11-29 05:17:36,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:17:36,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:17:36,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303213976] [2023-11-29 05:17:36,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:17:36,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586729125] [2023-11-29 05:17:36,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586729125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:17:36,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:17:36,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:17:36,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88050997] [2023-11-29 05:17:36,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:17:36,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:17:36,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:17:36,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:17:36,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:17:36,616 INFO L87 Difference]: Start difference. First operand 50009 states and 71954 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 05:17:43,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:46,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:49,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:53,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:57,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:17:59,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:03,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:07,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:11,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:15,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:18,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:22,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:18:22,407 INFO L93 Difference]: Finished difference Result 111543 states and 160534 transitions. [2023-11-29 05:18:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:18:22,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 423 [2023-11-29 05:18:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:18:22,586 INFO L225 Difference]: With dead ends: 111543 [2023-11-29 05:18:22,586 INFO L226 Difference]: Without dead ends: 61563 [2023-11-29 05:18:22,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:18:22,667 INFO L413 NwaCegarLoop]: 6665 mSDtfsCounter, 3403 mSDsluCounter, 17092 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 20 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3403 SdHoareTripleChecker+Valid, 23757 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:18:22,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3403 Valid, 23757 Invalid, 2235 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [20 Valid, 2210 Invalid, 5 Unknown, 0 Unchecked, 41.3s Time] [2023-11-29 05:18:22,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61563 states. [2023-11-29 05:18:26,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61563 to 61549. [2023-11-29 05:18:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61549 states, 42538 states have (on average 1.3766984813578447) internal successors, (58562), 42898 states have internal predecessors, (58562), 14974 states have call successors, (14974), 4044 states have call predecessors, (14974), 4036 states have return successors, (14978), 14868 states have call predecessors, (14978), 14974 states have call successors, (14978) [2023-11-29 05:18:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61549 states to 61549 states and 88514 transitions. [2023-11-29 05:18:27,247 INFO L78 Accepts]: Start accepts. Automaton has 61549 states and 88514 transitions. Word has length 423 [2023-11-29 05:18:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:18:27,248 INFO L495 AbstractCegarLoop]: Abstraction has 61549 states and 88514 transitions. [2023-11-29 05:18:27,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 05:18:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 61549 states and 88514 transitions. [2023-11-29 05:18:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2023-11-29 05:18:27,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:18:27,259 INFO L195 NwaCegarLoop]: trace histogram [24, 14, 14, 14, 14, 14, 14, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:18:27,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 05:18:27,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:18:27,459 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:18:27,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:27,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1101501981, now seen corresponding path program 1 times [2023-11-29 05:18:27,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:27,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084881083] [2023-11-29 05:18:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:27,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:27,560 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:18:27,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101796446] [2023-11-29 05:18:27,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:27,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:18:27,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:18:27,561 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:18:27,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 05:18:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:18:29,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 4461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:18:29,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:18:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2023-11-29 05:18:29,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:18:29,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:18:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084881083] [2023-11-29 05:18:29,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:18:29,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101796446] [2023-11-29 05:18:29,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101796446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:18:29,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:18:29,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:18:29,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722456288] [2023-11-29 05:18:29,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:18:29,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:18:29,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:18:29,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:18:29,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:18:29,114 INFO L87 Difference]: Start difference. First operand 61549 states and 88514 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 05:18:33,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:37,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:41,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:46,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:50,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:53,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:18:57,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:01,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:19:06,150 INFO L93 Difference]: Finished difference Result 133817 states and 192446 transitions. [2023-11-29 05:19:06,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:19:06,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 424 [2023-11-29 05:19:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:19:06,369 INFO L225 Difference]: With dead ends: 133817 [2023-11-29 05:19:06,369 INFO L226 Difference]: Without dead ends: 72297 [2023-11-29 05:19:06,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:19:06,489 INFO L413 NwaCegarLoop]: 4288 mSDtfsCounter, 3978 mSDsluCounter, 11965 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 38 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 16253 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:19:06,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 16253 Invalid, 1596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 1554 Invalid, 4 Unknown, 0 Unchecked, 31.9s Time] [2023-11-29 05:19:06,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72297 states. [2023-11-29 05:19:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72297 to 72275. [2023-11-29 05:19:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72275 states, 49968 states have (on average 1.3779618956131925) internal successors, (68854), 50392 states have internal predecessors, (68854), 17520 states have call successors, (17520), 4796 states have call predecessors, (17520), 4786 states have return successors, (17524), 17392 states have call predecessors, (17524), 17520 states have call successors, (17524) [2023-11-29 05:19:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72275 states to 72275 states and 103898 transitions. [2023-11-29 05:19:12,507 INFO L78 Accepts]: Start accepts. Automaton has 72275 states and 103898 transitions. Word has length 424 [2023-11-29 05:19:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:19:12,508 INFO L495 AbstractCegarLoop]: Abstraction has 72275 states and 103898 transitions. [2023-11-29 05:19:12,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (46), 3 states have call predecessors, (46), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 05:19:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 72275 states and 103898 transitions. [2023-11-29 05:19:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-11-29 05:19:12,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:12,525 INFO L195 NwaCegarLoop]: trace histogram [26, 14, 14, 14, 14, 14, 14, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:12,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 05:19:12,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-29 05:19:12,726 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:12,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:12,726 INFO L85 PathProgramCache]: Analyzing trace with hash -340425731, now seen corresponding path program 1 times [2023-11-29 05:19:12,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:12,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708047062] [2023-11-29 05:19:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:12,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:12,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:19:12,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708047062] [2023-11-29 05:19:12,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:19:12,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31527632] [2023-11-29 05:19:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:12,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:12,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:12,905 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:19:12,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 05:19:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:14,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 4526 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:19:14,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:19:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:19:14,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:19:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31527632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:19:14,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:19:14,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:19:14,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847161268] [2023-11-29 05:19:14,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:19:14,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:19:14,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:19:14,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:19:14,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:19:14,519 INFO L87 Difference]: Start difference. First operand 72275 states and 103898 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 05:19:21,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:23,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:27,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:31,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:33,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:37,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:40,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:44,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:49,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:53,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:19:54,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:00,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:00,217 INFO L93 Difference]: Finished difference Result 150695 states and 216432 transitions. [2023-11-29 05:20:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:20:00,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) Word has length 452 [2023-11-29 05:20:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:00,448 INFO L225 Difference]: With dead ends: 150695 [2023-11-29 05:20:00,448 INFO L226 Difference]: Without dead ends: 78449 [2023-11-29 05:20:00,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:20:00,737 INFO L413 NwaCegarLoop]: 6399 mSDtfsCounter, 3702 mSDsluCounter, 16197 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 25 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 22596 SdHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:00,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3703 Valid, 22596 Invalid, 2194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 2162 Invalid, 7 Unknown, 0 Unchecked, 39.4s Time] [2023-11-29 05:20:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78449 states. [2023-11-29 05:20:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78449 to 78427. [2023-11-29 05:20:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78427 states, 54165 states have (on average 1.3766823594572142) internal successors, (74568), 54628 states have internal predecessors, (74568), 18964 states have call successors, (18964), 5304 states have call predecessors, (18964), 5297 states have return successors, (18972), 18826 states have call predecessors, (18972), 18964 states have call successors, (18972) [2023-11-29 05:20:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78427 states to 78427 states and 112504 transitions. [2023-11-29 05:20:06,634 INFO L78 Accepts]: Start accepts. Automaton has 78427 states and 112504 transitions. Word has length 452 [2023-11-29 05:20:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:06,635 INFO L495 AbstractCegarLoop]: Abstraction has 78427 states and 112504 transitions. [2023-11-29 05:20:06,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 05:20:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 78427 states and 112504 transitions. [2023-11-29 05:20:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2023-11-29 05:20:06,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:06,652 INFO L195 NwaCegarLoop]: trace histogram [26, 14, 14, 14, 14, 14, 14, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:06,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 05:20:06,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 05:20:06,852 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:06,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2144829337, now seen corresponding path program 1 times [2023-11-29 05:20:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:20:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938710788] [2023-11-29 05:20:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:06,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:20:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:07,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:20:07,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938710788] [2023-11-29 05:20:07,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:20:07,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391359011] [2023-11-29 05:20:07,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:07,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:20:07,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:20:07,040 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:20:07,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 05:20:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:08,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 4527 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:20:08,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:20:08,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:08,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391359011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:08,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:08,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:20:08,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420162725] [2023-11-29 05:20:08,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:08,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:20:08,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:20:08,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:20:08,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:20:08,805 INFO L87 Difference]: Start difference. First operand 78427 states and 112504 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 05:20:15,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:19,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:23,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:26,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:30,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:32,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:36,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:40,928 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 [] [2023-11-29 05:20:45,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:45,815 INFO L93 Difference]: Finished difference Result 157423 states and 225652 transitions. [2023-11-29 05:20:45,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:20:45,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) Word has length 453 [2023-11-29 05:20:45,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:46,049 INFO L225 Difference]: With dead ends: 157423 [2023-11-29 05:20:46,050 INFO L226 Difference]: Without dead ends: 79025 [2023-11-29 05:20:46,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:20:46,185 INFO L413 NwaCegarLoop]: 4260 mSDtfsCounter, 3728 mSDsluCounter, 11919 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 26 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 16179 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:46,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 16179 Invalid, 1573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 1543 Invalid, 4 Unknown, 0 Unchecked, 31.4s Time] [2023-11-29 05:20:46,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79025 states. [2023-11-29 05:20:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79025 to 79003. [2023-11-29 05:20:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79003 states, 54503 states have (on average 1.3754472230886374) internal successors, (74966), 54972 states have internal predecessors, (74966), 19094 states have call successors, (19094), 5412 states have call predecessors, (19094), 5405 states have return successors, (19102), 18954 states have call predecessors, (19102), 19094 states have call successors, (19102) [2023-11-29 05:20:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79003 states to 79003 states and 113162 transitions. [2023-11-29 05:20:52,299 INFO L78 Accepts]: Start accepts. Automaton has 79003 states and 113162 transitions. Word has length 453 [2023-11-29 05:20:52,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:52,299 INFO L495 AbstractCegarLoop]: Abstraction has 79003 states and 113162 transitions. [2023-11-29 05:20:52,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-29 05:20:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 79003 states and 113162 transitions. [2023-11-29 05:20:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:20:52,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:52,320 INFO L195 NwaCegarLoop]: trace histogram [25, 14, 14, 14, 14, 14, 14, 13, 13, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:52,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-29 05:20:52,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 05:20:52,521 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:52,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash -45169843, now seen corresponding path program 1 times [2023-11-29 05:20:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:20:52,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041096366] [2023-11-29 05:20:52,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:52,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:20:52,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:20:52,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349395641] [2023-11-29 05:20:52,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:20:52,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:20:52,888 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:20:52,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-29 05:20:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:54,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 4976 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:20:54,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-29 05:20:54,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:20:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041096366] [2023-11-29 05:20:54,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:20:54,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349395641] [2023-11-29 05:20:54,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349395641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:54,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:54,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:20:54,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174959750] [2023-11-29 05:20:54,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:54,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:20:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:20:54,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:20:54,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:20:54,915 INFO L87 Difference]: Start difference. First operand 79003 states and 113162 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-11-29 05:20:59,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:01,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:05,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:11,348 INFO L93 Difference]: Finished difference Result 163127 states and 233692 transitions. [2023-11-29 05:21:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:11,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 491 [2023-11-29 05:21:11,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:11,567 INFO L225 Difference]: With dead ends: 163127 [2023-11-29 05:21:11,567 INFO L226 Difference]: Without dead ends: 84153 [2023-11-29 05:21:11,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:11,689 INFO L413 NwaCegarLoop]: 4220 mSDtfsCounter, 3978 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3978 SdHoareTripleChecker+Valid, 7609 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:11,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3978 Valid, 7609 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-11-29 05:21:11,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84153 states. [2023-11-29 05:21:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84153 to 84147. [2023-11-29 05:21:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84147 states, 58072 states have (on average 1.3756715801074528) internal successors, (79888), 58572 states have internal predecessors, (79888), 20324 states have call successors, (20324), 5758 states have call predecessors, (20324), 5750 states have return successors, (20332), 20174 states have call predecessors, (20332), 20324 states have call successors, (20332) [2023-11-29 05:21:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84147 states to 84147 states and 120544 transitions. [2023-11-29 05:21:18,181 INFO L78 Accepts]: Start accepts. Automaton has 84147 states and 120544 transitions. Word has length 491 [2023-11-29 05:21:18,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:18,181 INFO L495 AbstractCegarLoop]: Abstraction has 84147 states and 120544 transitions. [2023-11-29 05:21:18,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-11-29 05:21:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 84147 states and 120544 transitions. [2023-11-29 05:21:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2023-11-29 05:21:18,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:18,198 INFO L195 NwaCegarLoop]: trace histogram [27, 14, 14, 14, 14, 14, 14, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 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] [2023-11-29 05:21:18,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-29 05:21:18,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 05:21:18,399 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:18,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:18,399 INFO L85 PathProgramCache]: Analyzing trace with hash -405816748, now seen corresponding path program 1 times [2023-11-29 05:21:18,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:18,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279628558] [2023-11-29 05:21:18,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:18,539 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:21:18,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228642105] [2023-11-29 05:21:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:18,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:21:18,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:21:18,545 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:21:18,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-29 05:21:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:20,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 4710 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:21:20,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2023-11-29 05:21:20,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:20,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:20,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279628558] [2023-11-29 05:21:20,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:21:20,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228642105] [2023-11-29 05:21:20,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228642105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:20,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:20,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:21:20,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326364343] [2023-11-29 05:21:20,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:20,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:21:20,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:20,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:21:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:21:20,222 INFO L87 Difference]: Start difference. First operand 84147 states and 120544 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 05:21:28,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:30,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:34,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:38,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:43,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:47,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:49,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:53,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:55,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:59,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:22:09,415 INFO L93 Difference]: Finished difference Result 173435 states and 248516 transitions. [2023-11-29 05:22:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:22:09,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 493 [2023-11-29 05:22:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:22:09,668 INFO L225 Difference]: With dead ends: 173435 [2023-11-29 05:22:09,668 INFO L226 Difference]: Without dead ends: 89317 [2023-11-29 05:22:09,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:22:09,821 INFO L413 NwaCegarLoop]: 6921 mSDtfsCounter, 3400 mSDsluCounter, 17604 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 20 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3400 SdHoareTripleChecker+Valid, 24525 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:22:09,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3400 Valid, 24525 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 2222 Invalid, 8 Unknown, 0 Unchecked, 42.8s Time] [2023-11-29 05:22:09,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89317 states. [2023-11-29 05:22:16,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89317 to 84159. [2023-11-29 05:22:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84159 states, 58080 states have (on average 1.3756198347107438) internal successors, (79896), 58580 states have internal predecessors, (79896), 20324 states have call successors, (20324), 5758 states have call predecessors, (20324), 5754 states have return successors, (20336), 20178 states have call predecessors, (20336), 20324 states have call successors, (20336) [2023-11-29 05:22:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84159 states to 84159 states and 120556 transitions. [2023-11-29 05:22:16,425 INFO L78 Accepts]: Start accepts. Automaton has 84159 states and 120556 transitions. Word has length 493 [2023-11-29 05:22:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:22:16,425 INFO L495 AbstractCegarLoop]: Abstraction has 84159 states and 120556 transitions. [2023-11-29 05:22:16,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 05:22:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 84159 states and 120556 transitions. [2023-11-29 05:22:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-29 05:22:16,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:22:16,441 INFO L195 NwaCegarLoop]: trace histogram [27, 14, 14, 14, 14, 14, 14, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:22:16,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-11-29 05:22:16,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:22:16,642 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:22:16,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:22:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash 192488433, now seen corresponding path program 1 times [2023-11-29 05:22:16,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:22:16,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045602680] [2023-11-29 05:22:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:22:16,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:22:16,768 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:22:16,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87186714] [2023-11-29 05:22:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:22:16,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:22:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:22:16,769 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:22:16,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-29 05:22:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:22:18,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 4711 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:22:18,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:22:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2023-11-29 05:22:18,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:22:18,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:22:18,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045602680] [2023-11-29 05:22:18,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:22:18,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87186714] [2023-11-29 05:22:18,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87186714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:22:18,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:22:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:22:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868029405] [2023-11-29 05:22:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:22:18,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:22:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:22:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:22:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:22:18,621 INFO L87 Difference]: Start difference. First operand 84159 states and 120556 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 05:22:26,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:30,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:32,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:37,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:41,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:43,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:46,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:22:50,398 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 [] [2023-11-29 05:22:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:22:56,167 INFO L93 Difference]: Finished difference Result 173447 states and 248528 transitions. [2023-11-29 05:22:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:22:56,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 494 [2023-11-29 05:22:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:22:56,427 INFO L225 Difference]: With dead ends: 173447 [2023-11-29 05:22:56,427 INFO L226 Difference]: Without dead ends: 89317 [2023-11-29 05:22:56,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:22:56,573 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 3974 mSDsluCounter, 11839 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 38 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 16064 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:22:56,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 16064 Invalid, 1575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 1532 Invalid, 5 Unknown, 0 Unchecked, 30.8s Time] [2023-11-29 05:22:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89317 states. [2023-11-29 05:23:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89317 to 89303. [2023-11-29 05:23:03,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89303 states, 61649 states have (on average 1.37640513228114) internal successors, (84854), 62180 states have internal predecessors, (84854), 21554 states have call successors, (21554), 6104 states have call predecessors, (21554), 6099 states have return successors, (21566), 21398 states have call predecessors, (21566), 21554 states have call successors, (21566) [2023-11-29 05:23:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89303 states to 89303 states and 127974 transitions. [2023-11-29 05:23:03,674 INFO L78 Accepts]: Start accepts. Automaton has 89303 states and 127974 transitions. Word has length 494 [2023-11-29 05:23:03,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:03,675 INFO L495 AbstractCegarLoop]: Abstraction has 89303 states and 127974 transitions. [2023-11-29 05:23:03,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-29 05:23:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 89303 states and 127974 transitions. [2023-11-29 05:23:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2023-11-29 05:23:03,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:03,693 INFO L195 NwaCegarLoop]: trace histogram [26, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2023-11-29 05:23:03,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-29 05:23:03,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:03,894 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:03,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1808703182, now seen corresponding path program 1 times [2023-11-29 05:23:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:03,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856533678] [2023-11-29 05:23:03,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:03,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:04,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:23:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937121416] [2023-11-29 05:23:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:04,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:04,034 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c379f-5328-4f22-a91b-59dadcf3cfd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-29 05:23:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:05,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 5084 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 05:23:05,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1752 trivial. 0 not checked. [2023-11-29 05:23:05,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:05,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:05,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856533678] [2023-11-29 05:23:05,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:23:05,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937121416] [2023-11-29 05:23:05,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937121416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:05,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:05,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:23:05,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940166256] [2023-11-29 05:23:05,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:05,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:23:05,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:05,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:23:05,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:05,779 INFO L87 Difference]: Start difference. First operand 89303 states and 127974 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 1 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 1 states have call successors, (53) [2023-11-29 05:23:13,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:17,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:21,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:24,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:28,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:32,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:36,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:40,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:44,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:23:47,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []