./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:00:09,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:00:09,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 20:00:09,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:00:09,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:00:09,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:00:09,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:00:09,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:00:09,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:00:09,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:00:09,436 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:00:09,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:00:09,437 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:00:09,437 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:00:09,438 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:00:09,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:00:09,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:00:09,440 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:00:09,440 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:00:09,441 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:00:09,442 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:00:09,443 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:00:09,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:00:09,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:00:09,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:00:09,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:00:09,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:00:09,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:00:09,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:00:09,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:00:09,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:00:09,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:00:09,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:00:09,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:00:09,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:00:09,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:00:09,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:00:09,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:00:09,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:00:09,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:00:09,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:00:09,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:00:09,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:00:09,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:00:09,452 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a04f164f23bccd0af71a4f58b3950d923042f92e5233e5b981a5aec1f8e73c [2023-12-02 20:00:09,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:00:09,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:00:09,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:00:09,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:00:09,714 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:00:09,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2023-12-02 20:00:12,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:00:13,270 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:00:13,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2023-12-02 20:00:13,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/data/578e1dec8/9aca86154eec4055ba82eb402dd0f49a/FLAG11f024d52 [2023-12-02 20:00:13,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/data/578e1dec8/9aca86154eec4055ba82eb402dd0f49a [2023-12-02 20:00:13,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:00:13,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:00:13,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:00:13,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:00:13,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:00:13,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:13" (1/1) ... [2023-12-02 20:00:13,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8940af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:13, skipping insertion in model container [2023-12-02 20:00:13,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:13" (1/1) ... [2023-12-02 20:00:13,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:00:14,255 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2023-12-02 20:00:14,256 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2023-12-02 20:00:15,347 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_02ffc12f-61d3-4c37-9f55-a91bba2f98da/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2023-12-02 20:00:18,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:00:18,574 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:00:18,700 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5732] [2023-12-02 20:00:18,701 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5733-5734] [2023-12-02 20:00:18,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5818-5819] [2023-12-02 20:00:18,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5991-5992] [2023-12-02 20:00:18,712 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"); [5997-5999] [2023-12-02 20:00:18,713 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)); [6026] [2023-12-02 20:00:18,714 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)); [6033] [2023-12-02 20:00:18,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6115] [2023-12-02 20:00:18,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6122] [2023-12-02 20:00:18,720 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_02ffc12f-61d3-4c37-9f55-a91bba2f98da/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i[176188,176201] [2023-12-02 20:00:18,856 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5295/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/megaraid/megaraid_sas_base.o.c.prepared"), "i" (1121), "i" (12UL)); [7503-7504] [2023-12-02 20:00:18,917 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5295/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/megaraid/megaraid_sas_base.o.c.prepared"), "i" (1833), "i" (12UL)); [8091-8092] [2023-12-02 20:00:19,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (sense_cioc_ptr), "i" (4UL)); [11640-11641] [2023-12-02 20:00:19,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (sense_ioc_ptr): "ebx"); [11650] [2023-12-02 20:00:19,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (sense_ioc_ptr): "ebx"); [11653] [2023-12-02 20:00:19,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (sense_ioc_ptr): "ebx"); [11656] [2023-12-02 20:00:19,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (sense_ioc_ptr): "ebx"); [11659] [2023-12-02 20:00:19,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (sense_ioc_ptr): "ebx"); [11662] [2023-12-02 20:00:19,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (& cioc->sgl[i].iov_base), "i" (4UL)); [11677-11678] [2023-12-02 20:00:19,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& ioc->sgl[i].iov_base): "ebx"); [11687-11688] [2023-12-02 20:00:19,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& ioc->sgl[i].iov_base): "ebx"); [11691-11692] [2023-12-02 20:00:19,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& ioc->sgl[i].iov_base): "ebx"); [11695-11696] [2023-12-02 20:00:19,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& ioc->sgl[i].iov_base): "ebx"); [11699-11700] [2023-12-02 20:00:19,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (& ioc->sgl[i].iov_base): "ebx"); [11703-11704] [2023-12-02 20:00:19,479 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"); [13906] [2023-12-02 20:00:19,480 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)); [13913] [2023-12-02 20:00:19,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [13926] [2023-12-02 20:00:19,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [14354] [2023-12-02 20:00:19,562 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5295/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/megaraid/megaraid_sas_fusion.o.c.prepared"), "i" (1223), "i" (12UL)); [14853-14854] [2023-12-02 20:00:19,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [15145] [2023-12-02 20:00:19,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15148] [2023-12-02 20:00:19,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15151] [2023-12-02 20:00:19,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15154] [2023-12-02 20:00:19,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [15165] [2023-12-02 20:00:19,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15168] [2023-12-02 20:00:19,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15171] [2023-12-02 20:00:19,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15174] [2023-12-02 20:00:19,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [15185] [2023-12-02 20:00:19,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15188] [2023-12-02 20:00:19,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15191] [2023-12-02 20:00:19,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15194] [2023-12-02 20:00:19,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [15205] [2023-12-02 20:00:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15208] [2023-12-02 20:00:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15211] [2023-12-02 20:00:19,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15214] [2023-12-02 20:00:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [15340] [2023-12-02 20:00:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15343] [2023-12-02 20:00:19,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15346] [2023-12-02 20:00:19,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [15349] [2023-12-02 20:00:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [15360] [2023-12-02 20:00:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15363] [2023-12-02 20:00:19,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15366] [2023-12-02 20:00:19,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [15369] [2023-12-02 20:00:19,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [15380] [2023-12-02 20:00:19,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15383] [2023-12-02 20:00:19,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15386] [2023-12-02 20:00:19,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [15389] [2023-12-02 20:00:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [15400] [2023-12-02 20:00:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15403] [2023-12-02 20:00:19,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15406] [2023-12-02 20:00:19,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [15409] [2023-12-02 20:00:19,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [15713] [2023-12-02 20:00:19,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:00:19,867 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:00:19,868 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:00:19,868 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:00:19,868 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:00:19,875 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:00:19,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19 WrapperNode [2023-12-02 20:00:19,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:00:19,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:00:19,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:00:19,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:00:19,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,395 INFO L138 Inliner]: procedures = 467, calls = 5855, calls flagged for inlining = 175, calls inlined = 173, statements flattened = 14996 [2023-12-02 20:00:20,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:00:20,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:00:20,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:00:20,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:00:20,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:20,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:21,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:00:21,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:00:21,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:00:21,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:00:21,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (1/1) ... [2023-12-02 20:00:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:00:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:00:21,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:00:21,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:00:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_ppc [2023-12-02 20:00:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_ppc [2023-12-02 20:00:21,120 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 20:00:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 20:00:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd_fusion [2023-12-02 20:00:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd_fusion [2023-12-02 20:00:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure MR_GetPhyParams [2023-12-02 20:00:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_GetPhyParams [2023-12-02 20:00:21,121 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_skinny [2023-12-02 20:00:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_skinny [2023-12-02 20:00:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_arm_from_strip [2023-12-02 20:00:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arm_from_strip [2023-12-02 20:00:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_set_dma_mask [2023-12-02 20:00:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_set_dma_mask [2023-12-02 20:00:21,122 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_xscale [2023-12-02 20:00:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_xscale [2023-12-02 20:00:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_init_mfi [2023-12-02 20:00:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_init_mfi [2023-12-02 20:00:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 20:00:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 20:00:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 20:00:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 20:00:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool_fusion [2023-12-02 20:00:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool_fusion [2023-12-02 20:00:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds_fusion [2023-12-02 20:00:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds_fusion [2023-12-02 20:00:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_configure [2023-12-02 20:00:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_configure [2023-12-02 20:00:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_internal_reset_defer_cmds [2023-12-02 20:00:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_internal_reset_defer_cmds [2023-12-02 20:00:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 20:00:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 20:00:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure mega_div64_32 [2023-12-02 20:00:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_div64_32 [2023-12-02 20:00:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_gen2 [2023-12-02 20:00:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_gen2 [2023-12-02 20:00:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-12-02 20:00:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-12-02 20:00:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 20:00:21,126 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 20:00:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_request_descriptor [2023-12-02 20:00:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_request_descriptor [2023-12-02 20:00:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ArPdGet [2023-12-02 20:00:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ArPdGet [2023-12-02 20:00:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 20:00:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 20:00:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-12-02 20:00:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-12-02 20:00:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc [2023-12-02 20:00:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc [2023-12-02 20:00:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 20:00:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_flush_cache [2023-12-02 20:00:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_flush_cache [2023-12-02 20:00:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_row_from_strip [2023-12-02 20:00:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_row_from_strip [2023-12-02 20:00:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2023-12-02 20:00:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2023-12-02 20:00:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 20:00:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 20:00:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_29 [2023-12-02 20:00:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_29 [2023-12-02 20:00:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-12-02 20:00:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-12-02 20:00:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_int_cmd [2023-12-02 20:00:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_int_cmd [2023-12-02 20:00:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure mr_spanset_get_phy_params [2023-12-02 20:00:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mr_spanset_get_phy_params [2023-12-02 20:00:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_resume [2023-12-02 20:00:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_resume [2023-12-02 20:00:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown [2023-12-02 20:00:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown [2023-12-02 20:00:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-12-02 20:00:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 20:00:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 20:00:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-12-02 20:00:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-12-02 20:00:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_skinny [2023-12-02 20:00:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_skinny [2023-12-02 20:00:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:00:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-12-02 20:00:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-12-02 20:00:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_slave_alloc [2023-12-02 20:00:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_slave_alloc [2023-12-02 20:00:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-12-02 20:00:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-12-02 20:00:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanArrayGet [2023-12-02 20:00:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanArrayGet [2023-12-02 20:00:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_timer [2023-12-02 20:00:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_timer [2023-12-02 20:00:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_list [2023-12-02 20:00:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_list [2023-12-02 20:00:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2023-12-02 20:00:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2023-12-02 20:00:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 20:00:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 20:00:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_ld_vf_affiliation [2023-12-02 20:00:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_ld_vf_affiliation [2023-12-02 20:00:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_register_aen [2023-12-02 20:00:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_register_aen [2023-12-02 20:00:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-12-02 20:00:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-12-02 20:00:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-12-02 20:00:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-12-02 20:00:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 20:00:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 20:00:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 20:00:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 20:00:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 20:00:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sync_map_info [2023-12-02 20:00:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sync_map_info [2023-12-02 20:00:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 20:00:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 20:00:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_sas_kill_hba [2023-12-02 20:00:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_sas_kill_hba [2023-12-02 20:00:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command_lck [2023-12-02 20:00:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command_lck [2023-12-02 20:00:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 20:00:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 20:00:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 20:00:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_aen [2023-12-02 20:00:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_aen [2023-12-02 20:00:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr_fusion [2023-12-02 20:00:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr_fusion [2023-12-02 20:00:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:00:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_xscale [2023-12-02 20:00:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_xscale [2023-12-02 20:00:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 20:00:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 20:00:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2023-12-02 20:00:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2023-12-02 20:00:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_cmd [2023-12-02 20:00:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_cmd [2023-12-02 20:00:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 20:00:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 20:00:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-12-02 20:00:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-12-02 20:00:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-12-02 20:00:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-12-02 20:00:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_do_ocr [2023-12-02 20:00:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_do_ocr [2023-12-02 20:00:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 20:00:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 20:00:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 20:00:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 20:00:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 20:00:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 20:00:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-12-02 20:00:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-12-02 20:00:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_gen2 [2023-12-02 20:00:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_gen2 [2023-12-02 20:00:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdSpanPtrGet [2023-12-02 20:00:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdSpanPtrGet [2023-12-02 20:00:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_teardown_frame_pool [2023-12-02 20:00:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_teardown_frame_pool [2023-12-02 20:00:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_gen2 [2023-12-02 20:00:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_gen2 [2023-12-02 20:00:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-12-02 20:00:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-12-02 20:00:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fusion_ocr_wq [2023-12-02 20:00:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fusion_ocr_wq [2023-12-02 20:00:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_device_change [2023-12-02 20:00:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_device_change [2023-12-02 20:00:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-12-02 20:00:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-12-02 20:00:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_skinny [2023-12-02 20:00:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_skinny [2023-12-02 20:00:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_skinny [2023-12-02 20:00:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_skinny [2023-12-02 20:00:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_skinny [2023-12-02 20:00:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_skinny [2023-12-02 20:00:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_is_ldio [2023-12-02 20:00:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_is_ldio [2023-12-02 20:00:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-12-02 20:00:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-12-02 20:00:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:00:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-12-02 20:00:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-12-02 20:00:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_device [2023-12-02 20:00:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_device [2023-12-02 20:00:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure process_fw_state_change_wq [2023-12-02 20:00:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure process_fw_state_change_wq [2023-12-02 20:00:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:00:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_open [2023-12-02 20:00:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_open [2023-12-02 20:00:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure MR_TargetIdToLdGet [2023-12-02 20:00:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_TargetIdToLdGet [2023-12-02 20:00:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_fw [2023-12-02 20:00:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_fw [2023-12-02 20:00:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2023-12-02 20:00:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2023-12-02 20:00:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:00:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-12-02 20:00:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-12-02 20:00:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_bus_host [2023-12-02 20:00:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_bus_host [2023-12-02 20:00:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 20:00:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-12-02 20:00:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-12-02 20:00:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_strip_from_row [2023-12-02 20:00:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_strip_from_row [2023-12-02 20:00:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 20:00:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 20:00:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd [2023-12-02 20:00:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd [2023-12-02 20:00:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-12-02 20:00:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-12-02 20:00:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_shutdown_controller [2023-12-02 20:00:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_shutdown_controller [2023-12-02 20:00:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-12-02 20:00:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-12-02 20:00:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 20:00:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 20:00:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_lookup [2023-12-02 20:00:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_lookup [2023-12-02 20:00:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ioc_init_fusion [2023-12-02 20:00:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ioc_init_fusion [2023-12-02 20:00:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_return_cmd_fusion [2023-12-02 20:00:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_return_cmd_fusion [2023-12-02 20:00:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-12-02 20:00:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-12-02 20:00:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_ppc [2023-12-02 20:00:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_ppc [2023-12-02 20:00:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_fw [2023-12-02 20:00:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_fw [2023-12-02 20:00:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_xscale [2023-12-02 20:00:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_xscale [2023-12-02 20:00:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure wait_and_poll [2023-12-02 20:00:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_and_poll [2023-12-02 20:00:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-12-02 20:00:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-12-02 20:00:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 20:00:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 20:00:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 20:00:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 20:00:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_xscale [2023-12-02 20:00:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_xscale [2023-12-02 20:00:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_xscale [2023-12-02 20:00:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_xscale [2023-12-02 20:00:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sriov_start_heartbeat [2023-12-02 20:00:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sriov_start_heartbeat [2023-12-02 20:00:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2023-12-02 20:00:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2023-12-02 20:00:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_isr [2023-12-02 20:00:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_isr [2023-12-02 20:00:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_mpio_paths [2023-12-02 20:00:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_mpio_paths [2023-12-02 20:00:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2023-12-02 20:00:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2023-12-02 20:00:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 20:00:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 20:00:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 20:00:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 20:00:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-12-02 20:00:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-12-02 20:00:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_transition_to_ready [2023-12-02 20:00:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_transition_to_ready [2023-12-02 20:00:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-12-02 20:00:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-12-02 20:00:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:00:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:00:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_xscale [2023-12-02 20:00:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_xscale [2023-12-02 20:00:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd_fusion [2023-12-02 20:00:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd_fusion [2023-12-02 20:00:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_alloc_cmds [2023-12-02 20:00:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_alloc_cmds [2023-12-02 20:00:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 20:00:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 20:00:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_release_date [2023-12-02 20:00:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_release_date [2023-12-02 20:00:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-12-02 20:00:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-12-02 20:00:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 20:00:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_xscale [2023-12-02 20:00:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_xscale [2023-12-02 20:00:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 20:00:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-12-02 20:00:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 20:00:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-12-02 20:00:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_map_info [2023-12-02 20:00:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_map_info [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_ppc [2023-12-02 20:00:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_ppc [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-12-02 20:00:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-12-02 20:00:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-12-02 20:00:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-12-02 20:00:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_fasync [2023-12-02 20:00:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_fasync [2023-12-02 20:00:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 20:00:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-12-02 20:00:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-12-02 20:00:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_gen2 [2023-12-02 20:00:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_gen2 [2023-12-02 20:00:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_start_timer [2023-12-02 20:00:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_start_timer [2023-12-02 20:00:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-12-02 20:00:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-12-02 20:00:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-12-02 20:00:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-12-02 20:00:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 20:00:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 20:00:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 20:00:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 20:00:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure mega_mod64 [2023-12-02 20:00:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_mod64 [2023-12-02 20:00:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_10 [2023-12-02 20:00:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_10 [2023-12-02 20:00:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 20:00:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 20:00:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 20:00:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 20:00:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 20:00:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 20:00:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-12-02 20:00:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_read_fw_status_reg_fusion [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_read_fw_status_reg_fusion [2023-12-02 20:00:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-12-02 20:00:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2023-12-02 20:00:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 20:00:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-12-02 20:00:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-12-02 20:00:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-12-02 20:00:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-12-02 20:00:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:00:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 20:00:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 20:00:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_fusion [2023-12-02 20:00:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_fusion [2023-12-02 20:00:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-12-02 20:00:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-12-02 20:00:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_gen2 [2023-12-02 20:00:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_gen2 [2023-12-02 20:00:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2023-12-02 20:00:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2023-12-02 20:00:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:00:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd_fusion [2023-12-02 20:00:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd_fusion [2023-12-02 20:00:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_and_restore_queue_depth [2023-12-02 20:00:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_and_restore_queue_depth [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2023-12-02 20:00:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_cpu_mask [2023-12-02 20:00:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cpu_mask [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_support_poll_for_event [2023-12-02 20:00:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_support_poll_for_event [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure MR_PdDevHandleGet [2023-12-02 20:00:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_PdDevHandleGet [2023-12-02 20:00:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 20:00:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 20:00:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_mfi [2023-12-02 20:00:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_mfi [2023-12-02 20:00:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 20:00:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 20:00:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 20:00:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 20:00:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 20:00:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 20:00:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 20:00:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u32~0~X~$Pointer$~TO~VOID [2023-12-02 20:00:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 20:00:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure MR_LdRaidGet [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_LdRaidGet [2023-12-02 20:00:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2023-12-02 20:00:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 20:00:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 20:00:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 20:00:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 20:00:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_build_and_issue_cmd [2023-12-02 20:00:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_build_and_issue_cmd [2023-12-02 20:00:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl_skinny [2023-12-02 20:00:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl_skinny [2023-12-02 20:00:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-12-02 20:00:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-12-02 20:00:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2023-12-02 20:00:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2023-12-02 20:00:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-12-02 20:00:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-12-02 20:00:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_frame_count [2023-12-02 20:00:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_frame_count [2023-12-02 20:00:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_clear_intr_fusion [2023-12-02 20:00:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_clear_intr_fusion [2023-12-02 20:00:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_reply_desc [2023-12-02 20:00:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_reply_desc [2023-12-02 20:00:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_version [2023-12-02 20:00:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_version [2023-12-02 20:00:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_ioctl_aen [2023-12-02 20:00:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_ioctl_aen [2023-12-02 20:00:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 20:00:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 20:00:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_mgmt_poll [2023-12-02 20:00:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_mgmt_poll [2023-12-02 20:00:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd_dpc_fusion [2023-12-02 20:00:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd_dpc_fusion [2023-12-02 20:00:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_probe_one [2023-12-02 20:00:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_probe_one [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_fusion [2023-12-02 20:00:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_fusion [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_disable_intr_ppc [2023-12-02 20:00:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_disable_intr_ppc [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure MR_ValidateMapInfo [2023-12-02 20:00:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure MR_ValidateMapInfo [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-12-02 20:00:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-12-02 20:00:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-12-02 20:00:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_reset_fusion [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_reset_fusion [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_free_cmds [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_free_cmds [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_adp_reset_fusion [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_adp_reset_fusion [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_blocked_abort_cmd [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_blocked_abort_cmd [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_fusion [2023-12-02 20:00:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_fusion [2023-12-02 20:00:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cmd_fusion [2023-12-02 20:00:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cmd_fusion [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_lookup_instance [2023-12-02 20:00:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_lookup_instance [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 20:00:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_queue_command [2023-12-02 20:00:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_queue_command [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 20:00:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 20:00:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_dcmd [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_dcmd [2023-12-02 20:00:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_pd_list [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_pd_list [2023-12-02 20:00:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_generic_reset [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_generic_reset [2023-12-02 20:00:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_device [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_device [2023-12-02 20:00:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2023-12-02 20:00:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2023-12-02 20:00:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_complete_cmd [2023-12-02 20:00:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_complete_cmd [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_sysfs_show_dbg_lvl [2023-12-02 20:00:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_sysfs_show_dbg_lvl [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_release_mfi [2023-12-02 20:00:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_release_mfi [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-12-02 20:00:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-12-02 20:00:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-12-02 20:00:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-12-02 20:00:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-12-02 20:00:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_fusion [2023-12-02 20:00:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_fusion [2023-12-02 20:00:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_get_cmd [2023-12-02 20:00:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_get_cmd [2023-12-02 20:00:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-02 20:00:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-02 20:00:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 20:00:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 20:00:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_wait_for_outstanding_fusion [2023-12-02 20:00:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_wait_for_outstanding_fusion [2023-12-02 20:00:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-12-02 20:00:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-12-02 20:00:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_enable_intr_ppc [2023-12-02 20:00:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_enable_intr_ppc [2023-12-02 20:00:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-12-02 20:00:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-12-02 20:00:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_check_reset_fusion [2023-12-02 20:00:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_check_reset_fusion [2023-12-02 20:00:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_fire_cmd_ppc [2023-12-02 20:00:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_fire_cmd_ppc [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 20:00:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-12-02 20:00:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_ld_list_query [2023-12-02 20:00:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_ld_list_query [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 20:00:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-12-02 20:00:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:00:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 20:00:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 20:00:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_detach_one [2023-12-02 20:00:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_detach_one [2023-12-02 20:00:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_issue_polled [2023-12-02 20:00:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_issue_polled [2023-12-02 20:00:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_init_adapter_fusion [2023-12-02 20:00:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_init_adapter_fusion [2023-12-02 20:00:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure megasas_make_sgl64 [2023-12-02 20:00:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure megasas_make_sgl64 [2023-12-02 20:00:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-12-02 20:00:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-12-02 20:00:22,941 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:00:22,948 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:00:26,597 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 20:00:46,193 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:00:54,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:00:54,716 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:00:54,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:54 BoogieIcfgContainer [2023-12-02 20:00:54,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:00:54,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:00:54,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:00:54,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:00:54,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:00:13" (1/3) ... [2023-12-02 20:00:54,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50695f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:54, skipping insertion in model container [2023-12-02 20:00:54,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:19" (2/3) ... [2023-12-02 20:00:54,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50695f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:54, skipping insertion in model container [2023-12-02 20:00:54,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:54" (3/3) ... [2023-12-02 20:00:54,733 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_sas.ko-entry_point.cil.out.i [2023-12-02 20:00:54,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:00:54,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:00:54,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:00:54,906 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=FINITE_AUTOMATA, 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;@3d697bab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:00:54,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 20:00:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 4752 states, 2984 states have (on average 1.3589142091152815) internal successors, (4055), 3084 states have internal predecessors, (4055), 1524 states have call successors, (1524), 243 states have call predecessors, (1524), 242 states have return successors, (1509), 1482 states have call predecessors, (1509), 1509 states have call successors, (1509) [2023-12-02 20:00:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 20:00:54,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:00:54,968 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:00:54,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:00:54,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:00:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1475237718, now seen corresponding path program 1 times [2023-12-02 20:00:54,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:00:54,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286060125] [2023-12-02 20:00:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:00:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:00:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:00:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 20:00:55,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:00:55,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286060125] [2023-12-02 20:00:55,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286060125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:00:55,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:00:55,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:00:55,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897808381] [2023-12-02 20:00:55,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:00:55,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:00:55,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:00:55,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:00:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:00:55,950 INFO L87 Difference]: Start difference. First operand has 4752 states, 2984 states have (on average 1.3589142091152815) internal successors, (4055), 3084 states have internal predecessors, (4055), 1524 states have call successors, (1524), 243 states have call predecessors, (1524), 242 states have return successors, (1509), 1482 states have call predecessors, (1509), 1509 states have call successors, (1509) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:00:57,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:00,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:03,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:06,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:08,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:10,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:13,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:15,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:17,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:21,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:22,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:24,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:27,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:31,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:33,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:35,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:37,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:39,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:42,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:43,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:01:43,526 INFO L93 Difference]: Finished difference Result 13803 states and 20868 transitions. [2023-12-02 20:01:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:01:43,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2023-12-02 20:01:43,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:01:43,616 INFO L225 Difference]: With dead ends: 13803 [2023-12-02 20:01:43,616 INFO L226 Difference]: Without dead ends: 9049 [2023-12-02 20:01:43,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:01:43,664 INFO L413 NwaCegarLoop]: 6588 mSDtfsCounter, 6590 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6590 SdHoareTripleChecker+Valid, 13011 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2023-12-02 20:01:43,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6590 Valid, 13011 Invalid, 1116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1100 Invalid, 12 Unknown, 0 Unchecked, 46.9s Time] [2023-12-02 20:01:43,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9049 states. [2023-12-02 20:01:44,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9049 to 9045. [2023-12-02 20:01:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9045 states, 5709 states have (on average 1.3529514801191103) internal successors, (7724), 5869 states have internal predecessors, (7724), 2867 states have call successors, (2867), 469 states have call predecessors, (2867), 468 states have return successors, (2866), 2811 states have call predecessors, (2866), 2866 states have call successors, (2866) [2023-12-02 20:01:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9045 states to 9045 states and 13457 transitions. [2023-12-02 20:01:44,499 INFO L78 Accepts]: Start accepts. Automaton has 9045 states and 13457 transitions. Word has length 217 [2023-12-02 20:01:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:01:44,501 INFO L495 AbstractCegarLoop]: Abstraction has 9045 states and 13457 transitions. [2023-12-02 20:01:44,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 20:01:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 9045 states and 13457 transitions. [2023-12-02 20:01:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-12-02 20:01:44,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:01:44,514 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:01:44,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:01:44,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:01:44,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:01:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 769085568, now seen corresponding path program 1 times [2023-12-02 20:01:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:01:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438436621] [2023-12-02 20:01:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:01:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:01:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:01:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 20:01:45,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:01:45,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438436621] [2023-12-02 20:01:45,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438436621] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:01:45,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524657534] [2023-12-02 20:01:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:01:45,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:01:45,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:01:45,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:01:45,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 20:01:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:01:47,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 4478 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:01:47,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:01:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:01:47,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:01:47,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524657534] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:01:47,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:01:47,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-12-02 20:01:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876423521] [2023-12-02 20:01:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:01:47,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:01:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:01:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:01:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:01:47,442 INFO L87 Difference]: Start difference. First operand 9045 states and 13457 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:01:51,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:01:54,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:57,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:01:59,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:00,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:03,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:04,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:06,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:10,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:12,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:14,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:16,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:18,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:02:20,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:02:23,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:25,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:02:29,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:31,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:34,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:36,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:38,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:02:38,337 INFO L93 Difference]: Finished difference Result 26901 states and 40021 transitions. [2023-12-02 20:02:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:02:38,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 234 [2023-12-02 20:02:38,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:02:38,477 INFO L225 Difference]: With dead ends: 26901 [2023-12-02 20:02:38,478 INFO L226 Difference]: Without dead ends: 17923 [2023-12-02 20:02:38,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:02:38,568 INFO L413 NwaCegarLoop]: 6462 mSDtfsCounter, 6912 mSDsluCounter, 6318 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 26 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6912 SdHoareTripleChecker+Valid, 12780 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:02:38,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6912 Valid, 12780 Invalid, 1201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 1160 Invalid, 15 Unknown, 0 Unchecked, 50.2s Time] [2023-12-02 20:02:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17923 states. [2023-12-02 20:02:39,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17923 to 17918. [2023-12-02 20:02:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17918 states, 11331 states have (on average 1.3516018003706645) internal successors, (15315), 11653 states have internal predecessors, (15315), 5650 states have call successors, (5650), 937 states have call predecessors, (5650), 936 states have return successors, (5649), 5537 states have call predecessors, (5649), 5649 states have call successors, (5649) [2023-12-02 20:02:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17918 states to 17918 states and 26614 transitions. [2023-12-02 20:02:39,799 INFO L78 Accepts]: Start accepts. Automaton has 17918 states and 26614 transitions. Word has length 234 [2023-12-02 20:02:39,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:02:39,800 INFO L495 AbstractCegarLoop]: Abstraction has 17918 states and 26614 transitions. [2023-12-02 20:02:39,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:02:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 17918 states and 26614 transitions. [2023-12-02 20:02:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-12-02 20:02:39,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:02:39,811 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:02:39,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:02:40,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:02:40,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:02:40,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:02:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash -426135115, now seen corresponding path program 1 times [2023-12-02 20:02:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:02:40,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548217432] [2023-12-02 20:02:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:02:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:02:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:02:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 20:02:40,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:02:40,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548217432] [2023-12-02 20:02:40,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548217432] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:02:40,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208760021] [2023-12-02 20:02:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:02:40,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:02:40,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:02:40,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:02:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:02:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:02:42,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 4486 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:02:42,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:02:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:02:42,458 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:02:42,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208760021] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:02:42,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:02:42,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-12-02 20:02:42,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482053238] [2023-12-02 20:02:42,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:02:42,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:02:42,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:02:42,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:02:42,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:02:42,461 INFO L87 Difference]: Start difference. First operand 17918 states and 26614 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:02:44,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:47,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:50,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:02:53,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:02:55,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:02:58,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:01,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:03,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:07,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:09,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:11,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:13,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:15,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:17,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:20,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:21,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:24,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:27,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:29,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:31,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:33,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:35,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:37,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:38,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:41,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:41,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:03:41,522 INFO L93 Difference]: Finished difference Result 53406 states and 79320 transitions. [2023-12-02 20:03:41,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:03:41,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 238 [2023-12-02 20:03:41,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:03:41,831 INFO L225 Difference]: With dead ends: 53406 [2023-12-02 20:03:41,831 INFO L226 Difference]: Without dead ends: 35555 [2023-12-02 20:03:41,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:03:41,918 INFO L413 NwaCegarLoop]: 6554 mSDtfsCounter, 6899 mSDsluCounter, 6318 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 26 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6899 SdHoareTripleChecker+Valid, 12872 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:03:41,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6899 Valid, 12872 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1156 Invalid, 20 Unknown, 0 Unchecked, 58.1s Time] [2023-12-02 20:03:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35555 states. [2023-12-02 20:03:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35555 to 35548. [2023-12-02 20:03:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35548 states, 22517 states have (on average 1.349780166096727) internal successors, (30393), 23163 states have internal predecessors, (30393), 11158 states have call successors, (11158), 1873 states have call predecessors, (11158), 1872 states have return successors, (11157), 10931 states have call predecessors, (11157), 11157 states have call successors, (11157) [2023-12-02 20:03:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35548 states to 35548 states and 52708 transitions. [2023-12-02 20:03:43,775 INFO L78 Accepts]: Start accepts. Automaton has 35548 states and 52708 transitions. Word has length 238 [2023-12-02 20:03:43,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:03:43,776 INFO L495 AbstractCegarLoop]: Abstraction has 35548 states and 52708 transitions. [2023-12-02 20:03:43,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:03:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand 35548 states and 52708 transitions. [2023-12-02 20:03:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-02 20:03:43,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:03:43,784 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:03:43,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:03:43,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:03:43,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:03:43,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:03:43,985 INFO L85 PathProgramCache]: Analyzing trace with hash -240097489, now seen corresponding path program 1 times [2023-12-02 20:03:43,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:03:43,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657629293] [2023-12-02 20:03:43,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:03:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 20:03:44,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:03:44,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657629293] [2023-12-02 20:03:44,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657629293] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:03:44,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154439830] [2023-12-02 20:03:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:03:44,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:03:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:03:44,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:03:44,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:03:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:03:46,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 4490 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:03:46,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:03:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:03:46,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:03:46,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154439830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:03:46,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:03:46,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-12-02 20:03:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844049552] [2023-12-02 20:03:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:03:46,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:03:46,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:03:46,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:03:46,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:03:46,760 INFO L87 Difference]: Start difference. First operand 35548 states and 52708 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:03:50,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:53,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:55,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:03:57,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:03:58,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:01,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:03,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:05,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:09,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:11,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:14,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:16,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:20,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:22,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:24,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:27,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:30,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:32,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:34,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:37,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:04:38,059 INFO L93 Difference]: Finished difference Result 106052 states and 157234 transitions. [2023-12-02 20:04:38,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:04:38,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 240 [2023-12-02 20:04:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:04:38,322 INFO L225 Difference]: With dead ends: 106052 [2023-12-02 20:04:38,323 INFO L226 Difference]: Without dead ends: 70571 [2023-12-02 20:04:38,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:04:38,556 INFO L413 NwaCegarLoop]: 6642 mSDtfsCounter, 6885 mSDsluCounter, 6318 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 26 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6885 SdHoareTripleChecker+Valid, 12960 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.3s IncrementalHoareTripleChecker+Time [2023-12-02 20:04:38,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6885 Valid, 12960 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1158 Invalid, 16 Unknown, 0 Unchecked, 49.3s Time] [2023-12-02 20:04:38,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70571 states. [2023-12-02 20:04:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70571 to 70560. [2023-12-02 20:04:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70560 states, 44765 states have (on average 1.3477716966379985) internal successors, (60333), 46059 states have internal predecessors, (60333), 22050 states have call successors, (22050), 3745 states have call predecessors, (22050), 3744 states have return successors, (22049), 21595 states have call predecessors, (22049), 22049 states have call successors, (22049) [2023-12-02 20:04:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70560 states to 70560 states and 104432 transitions. [2023-12-02 20:04:41,500 INFO L78 Accepts]: Start accepts. Automaton has 70560 states and 104432 transitions. Word has length 240 [2023-12-02 20:04:41,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:04:41,501 INFO L495 AbstractCegarLoop]: Abstraction has 70560 states and 104432 transitions. [2023-12-02 20:04:41,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:04:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 70560 states and 104432 transitions. [2023-12-02 20:04:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-12-02 20:04:41,508 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:04:41,508 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:04:41,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:04:41,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:04:41,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:04:41,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:04:41,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1458439535, now seen corresponding path program 1 times [2023-12-02 20:04:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:04:41,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833215841] [2023-12-02 20:04:41,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:41,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:04:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 20:04:42,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:04:42,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833215841] [2023-12-02 20:04:42,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833215841] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:04:42,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209208809] [2023-12-02 20:04:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:04:42,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:04:42,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:04:42,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:04:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:04:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:04:44,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:04:44,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:04:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:04:44,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:04:44,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209208809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:04:44,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:04:44,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-12-02 20:04:44,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97096471] [2023-12-02 20:04:44,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:04:44,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:04:44,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:04:44,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:04:44,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:04:44,409 INFO L87 Difference]: Start difference. First operand 70560 states and 104432 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:04:46,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:49,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:51,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:53,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:56,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:04:58,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:04:59,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:02,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:04,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:08,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:10,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:14,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:05:16,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:05:20,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:05:22,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:26,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:28,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:30,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:32,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:36,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:36,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:05:36,942 INFO L93 Difference]: Finished difference Result 210550 states and 311596 transitions. [2023-12-02 20:05:36,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:05:36,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 245 [2023-12-02 20:05:36,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:05:37,734 INFO L225 Difference]: With dead ends: 210550 [2023-12-02 20:05:37,734 INFO L226 Difference]: Without dead ends: 140057 [2023-12-02 20:05:38,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:05:38,067 INFO L413 NwaCegarLoop]: 6792 mSDtfsCounter, 6871 mSDsluCounter, 6317 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 26 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6871 SdHoareTripleChecker+Valid, 13109 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2023-12-02 20:05:38,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6871 Valid, 13109 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1164 Invalid, 16 Unknown, 0 Unchecked, 48.8s Time] [2023-12-02 20:05:38,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140057 states. [2023-12-02 20:05:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140057 to 140054. [2023-12-02 20:05:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140054 states, 88993 states have (on average 1.345577742069601) internal successors, (119747), 91567 states have internal predecessors, (119747), 43574 states have call successors, (43574), 7487 states have call predecessors, (43574), 7486 states have return successors, (43573), 42679 states have call predecessors, (43573), 43573 states have call successors, (43573) [2023-12-02 20:05:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140054 states to 140054 states and 206894 transitions. [2023-12-02 20:05:44,866 INFO L78 Accepts]: Start accepts. Automaton has 140054 states and 206894 transitions. Word has length 245 [2023-12-02 20:05:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:05:44,866 INFO L495 AbstractCegarLoop]: Abstraction has 140054 states and 206894 transitions. [2023-12-02 20:05:44,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 20:05:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 140054 states and 206894 transitions. [2023-12-02 20:05:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-12-02 20:05:44,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:05:44,880 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:05:44,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:05:45,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:05:45,085 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:05:45,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:05:45,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1641826569, now seen corresponding path program 1 times [2023-12-02 20:05:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:05:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924215073] [2023-12-02 20:05:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:05:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:05:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:05:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:05:46,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:05:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924215073] [2023-12-02 20:05:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924215073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:05:46,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:05:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:05:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157392966] [2023-12-02 20:05:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:05:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:05:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:05:46,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:05:46,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:05:46,049 INFO L87 Difference]: Start difference. First operand 140054 states and 206894 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-02 20:05:47,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:49,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:52,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:05:54,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:05:57,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:00,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:02,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:06,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:06:08,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:06:10,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:15,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:17,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:20,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:22,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:31,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:06:34,005 INFO L93 Difference]: Finished difference Result 199425 states and 292932 transitions. [2023-12-02 20:06:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:06:34,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) Word has length 252 [2023-12-02 20:06:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:06:35,218 INFO L225 Difference]: With dead ends: 199425 [2023-12-02 20:06:35,218 INFO L226 Difference]: Without dead ends: 199422 [2023-12-02 20:06:35,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:06:35,309 INFO L413 NwaCegarLoop]: 7061 mSDtfsCounter, 6891 mSDsluCounter, 9588 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6891 SdHoareTripleChecker+Valid, 16649 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2023-12-02 20:06:35,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6891 Valid, 16649 Invalid, 1466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1452 Invalid, 13 Unknown, 0 Unchecked, 42.6s Time] [2023-12-02 20:06:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199422 states. [2023-12-02 20:06:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199422 to 196648. [2023-12-02 20:06:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196648 states, 123075 states have (on average 1.332642697542149) internal successors, (164015), 126857 states have internal predecessors, (164015), 61288 states have call successors, (61288), 12317 states have call predecessors, (61288), 12284 states have return successors, (63117), 59627 states have call predecessors, (63117), 61287 states have call successors, (63117) [2023-12-02 20:06:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196648 states to 196648 states and 288420 transitions. [2023-12-02 20:06:45,886 INFO L78 Accepts]: Start accepts. Automaton has 196648 states and 288420 transitions. Word has length 252 [2023-12-02 20:06:45,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:06:45,887 INFO L495 AbstractCegarLoop]: Abstraction has 196648 states and 288420 transitions. [2023-12-02 20:06:45,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-02 20:06:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 196648 states and 288420 transitions. [2023-12-02 20:06:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-02 20:06:45,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:06:45,917 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 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] [2023-12-02 20:06:45,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 20:06:45,917 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:06:45,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:06:45,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1218111816, now seen corresponding path program 1 times [2023-12-02 20:06:45,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:06:45,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211264326] [2023-12-02 20:06:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:06:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:06:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:06:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1451 trivial. 0 not checked. [2023-12-02 20:06:47,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:06:47,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211264326] [2023-12-02 20:06:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211264326] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:06:47,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130033641] [2023-12-02 20:06:47,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:06:47,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:06:47,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:06:47,422 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:06:47,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:06:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:06:49,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 5189 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:06:49,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:06:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1440 trivial. 0 not checked. [2023-12-02 20:06:49,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:06:49,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130033641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:06:49,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:06:49,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2023-12-02 20:06:49,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737635768] [2023-12-02 20:06:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:06:49,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:06:49,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:06:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:06:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:06:49,591 INFO L87 Difference]: Start difference. First operand 196648 states and 288420 transitions. Second operand has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 20:06:51,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:55,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:06:58,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:00,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:02,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:04,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:06,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:12,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:14,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:16,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:19,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:21,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:23,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:07:25,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:27,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:33,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:35,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:37,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:41,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:43,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:45,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:46,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:07:54,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:00,830 INFO L93 Difference]: Finished difference Result 393368 states and 587656 transitions. [2023-12-02 20:08:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:08:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 301 [2023-12-02 20:08:00,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:02,436 INFO L225 Difference]: With dead ends: 393368 [2023-12-02 20:08:02,436 INFO L226 Difference]: Without dead ends: 196776 [2023-12-02 20:08:03,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:08:03,407 INFO L413 NwaCegarLoop]: 6484 mSDtfsCounter, 1 mSDsluCounter, 12909 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 55 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19393 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:03,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19393 Invalid, 1736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 1661 Invalid, 20 Unknown, 0 Unchecked, 63.1s Time] [2023-12-02 20:08:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196776 states. [2023-12-02 20:08:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196776 to 196776. [2023-12-02 20:08:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196776 states, 123139 states have (on average 1.3329895483965275) internal successors, (164143), 126985 states have internal predecessors, (164143), 61288 states have call successors, (61288), 12317 states have call predecessors, (61288), 12348 states have return successors, (63245), 59627 states have call predecessors, (63245), 61287 states have call successors, (63245) [2023-12-02 20:08:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196776 states to 196776 states and 288676 transitions. [2023-12-02 20:08:14,125 INFO L78 Accepts]: Start accepts. Automaton has 196776 states and 288676 transitions. Word has length 301 [2023-12-02 20:08:14,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:14,126 INFO L495 AbstractCegarLoop]: Abstraction has 196776 states and 288676 transitions. [2023-12-02 20:08:14,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 20:08:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 196776 states and 288676 transitions. [2023-12-02 20:08:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-02 20:08:14,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:14,151 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2023-12-02 20:08:14,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:08:14,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:08:14,352 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:08:14,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash -71308420, now seen corresponding path program 1 times [2023-12-02 20:08:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:14,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760007939] [2023-12-02 20:08:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2023-12-02 20:08:16,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:16,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760007939] [2023-12-02 20:08:16,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760007939] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:08:16,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200355273] [2023-12-02 20:08:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:16,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:08:16,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:08:16,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:08:16,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:08:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:18,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 5279 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:08:18,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:08:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2023-12-02 20:08:18,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:08:18,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200355273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:18,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:08:18,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2023-12-02 20:08:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844502697] [2023-12-02 20:08:18,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:18,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:08:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:18,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:08:18,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:08:18,503 INFO L87 Difference]: Start difference. First operand 196776 states and 288676 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 20:08:20,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:22,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:24,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:27,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:30,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:32,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:34,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:36,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:39,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:46,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:48,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:50,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:52,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:08:55,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:57,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:08:59,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:09:01,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:09:03,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:04,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:06,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:08,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:13,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:14,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:17,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:19,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:21,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:23,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:25,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:27,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:29,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:31,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:38,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:40,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:42,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:09:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:09:48,218 INFO L93 Difference]: Finished difference Result 393101 states and 581862 transitions. [2023-12-02 20:09:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:09:48,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 307 [2023-12-02 20:09:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:09:49,732 INFO L225 Difference]: With dead ends: 393101 [2023-12-02 20:09:49,732 INFO L226 Difference]: Without dead ends: 196392 [2023-12-02 20:09:50,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:09:50,746 INFO L413 NwaCegarLoop]: 6472 mSDtfsCounter, 147 mSDsluCounter, 19147 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 66 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 25619 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.6s IncrementalHoareTripleChecker+Time [2023-12-02 20:09:50,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 25619 Invalid, 2173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 2079 Invalid, 28 Unknown, 0 Unchecked, 81.6s Time] [2023-12-02 20:09:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196392 states. [2023-12-02 20:09:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196392 to 196392. [2023-12-02 20:09:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196392 states, 122979 states have (on average 1.3329023654445067) internal successors, (163919), 126761 states have internal predecessors, (163919), 61064 states have call successors, (61064), 12317 states have call predecessors, (61064), 12348 states have return successors, (62989), 59467 states have call predecessors, (62989), 61063 states have call successors, (62989) [2023-12-02 20:10:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196392 states to 196392 states and 287972 transitions. [2023-12-02 20:10:01,023 INFO L78 Accepts]: Start accepts. Automaton has 196392 states and 287972 transitions. Word has length 307 [2023-12-02 20:10:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:10:01,024 INFO L495 AbstractCegarLoop]: Abstraction has 196392 states and 287972 transitions. [2023-12-02 20:10:01,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 20:10:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 196392 states and 287972 transitions. [2023-12-02 20:10:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-02 20:10:01,045 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:10:01,045 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 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] [2023-12-02 20:10:01,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:10:01,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:01,246 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:10:01,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:10:01,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2016086900, now seen corresponding path program 1 times [2023-12-02 20:10:01,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:10:01,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438056364] [2023-12-02 20:10:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:01,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:10:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2023-12-02 20:10:02,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:10:02,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438056364] [2023-12-02 20:10:02,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438056364] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:10:02,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609070792] [2023-12-02 20:10:02,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:10:02,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:10:02,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:10:02,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:10:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:10:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:10:04,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 5296 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 20:10:04,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:10:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2023-12-02 20:10:05,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:10:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2023-12-02 20:10:05,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609070792] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:10:05,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2061914260] [2023-12-02 20:10:05,418 INFO L159 IcfgInterpreter]: Started Sifa with 178 locations of interest [2023-12-02 20:10:05,418 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 20:10:05,423 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:96) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:10:05,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:10:05,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-12-02 20:10:05,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038941215] [2023-12-02 20:10:05,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:10:05,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:10:05,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:10:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:10:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-02 20:10:05,431 INFO L87 Difference]: Start difference. First operand 196392 states and 287972 transitions. Second operand has 9 states, 7 states have (on average 20.142857142857142) internal successors, (141), 9 states have internal predecessors, (141), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-02 20:10:06,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:08,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:10,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:12,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:14,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:15,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:20,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:22,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:24,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:26,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:28,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:30,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:32,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:34,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:36,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:10:39,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:41,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:44,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:46,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:48,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:50,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:52,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:54,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:58,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:01,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:03,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:05,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:07,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:09,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:11,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:13,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 20:11:17,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:20,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:22,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:23,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:25,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:27,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:29,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:33,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:35,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:37,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:39,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:40,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:42,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:46,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:48,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:50,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:52,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:54,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:56,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:58,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:12:00,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:12:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:12:11,898 INFO L93 Difference]: Finished difference Result 393304 states and 587533 transitions. [2023-12-02 20:12:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:12:11,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 20.142857142857142) internal successors, (141), 9 states have internal predecessors, (141), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 308 [2023-12-02 20:12:11,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:12:13,143 INFO L225 Difference]: With dead ends: 393304 [2023-12-02 20:12:13,143 INFO L226 Difference]: Without dead ends: 196968 [2023-12-02 20:12:14,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2023-12-02 20:12:14,366 INFO L413 NwaCegarLoop]: 6423 mSDtfsCounter, 8 mSDsluCounter, 12829 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 213 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19252 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.4s IncrementalHoareTripleChecker+Time [2023-12-02 20:12:14,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19252 Invalid, 2114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [213 Valid, 1861 Invalid, 40 Unknown, 0 Unchecked, 117.4s Time] [2023-12-02 20:12:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196968 states. [2023-12-02 20:12:22,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196968 to 196872. [2023-12-02 20:12:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196872 states, 123427 states have (on average 1.3348051884919832) internal successors, (164751), 127177 states have internal predecessors, (164751), 61064 states have call successors, (61064), 12381 states have call predecessors, (61064), 12380 states have return successors, (63053), 59467 states have call predecessors, (63053), 61063 states have call successors, (63053) [2023-12-02 20:12:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196872 states to 196872 states and 288868 transitions. [2023-12-02 20:12:24,525 INFO L78 Accepts]: Start accepts. Automaton has 196872 states and 288868 transitions. Word has length 308 [2023-12-02 20:12:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:12:24,526 INFO L495 AbstractCegarLoop]: Abstraction has 196872 states and 288868 transitions. [2023-12-02 20:12:24,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 20.142857142857142) internal successors, (141), 9 states have internal predecessors, (141), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-02 20:12:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 196872 states and 288868 transitions. [2023-12-02 20:12:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-02 20:12:24,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:12:24,546 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 22, 6, 6, 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] [2023-12-02 20:12:24,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:12:24,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:12:24,747 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:12:24,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:12:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1168633408, now seen corresponding path program 2 times [2023-12-02 20:12:24,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:12:24,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713040433] [2023-12-02 20:12:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:12:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:12:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:12:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1818 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2023-12-02 20:12:26,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:12:26,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713040433] [2023-12-02 20:12:26,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713040433] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:12:26,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438621922] [2023-12-02 20:12:26,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:12:26,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:12:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:12:26,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:12:26,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02ffc12f-61d3-4c37-9f55-a91bba2f98da/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process