./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje --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 ed5ae9a54319831d10aecd446a949c4674873cf615ae38ced0a879e22147cdf8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:53:42,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:53:42,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:53:42,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:53:42,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:53:42,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:53:42,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:53:42,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:53:42,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:53:42,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:53:42,627 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:53:42,627 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:53:42,628 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:53:42,630 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:53:42,630 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:53:42,631 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:53:42,631 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:53:42,632 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:53:42,632 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:53:42,635 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:53:42,636 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:53:42,638 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:53:42,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:53:42,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:53:42,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:53:42,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:53:42,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:53:42,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:53:42,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:53:42,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:53:42,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:53:42,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:53:42,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:53:42,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:53:42,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:53:42,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:53:42,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:53:42,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:53:42,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:53:42,645 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:53:42,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:53:42,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:53:42,646 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:53:42,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:53:42,646 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_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5ae9a54319831d10aecd446a949c4674873cf615ae38ced0a879e22147cdf8 [2024-11-09 05:53:42,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:53:42,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:53:42,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:53:42,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:53:42,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:53:42,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 05:53:45,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:53:45,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:53:45,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i [2024-11-09 05:53:45,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/data/4cb5f58d3/0615b28cf824499f990dc2ac4725665b/FLAG4f4171142 [2024-11-09 05:53:46,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/data/4cb5f58d3/0615b28cf824499f990dc2ac4725665b [2024-11-09 05:53:46,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:53:46,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:53:46,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:53:46,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:53:46,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:53:46,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:53:46" (1/1) ... [2024-11-09 05:53:46,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446700db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:46, skipping insertion in model container [2024-11-09 05:53:46,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:53:46" (1/1) ... [2024-11-09 05:53:46,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:53:52,836 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i[687738,687751] [2024-11-09 05:53:53,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:53:53,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:53:53,683 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; incq %0": "=m" (v->counter): "m" (v->counter)); [10816] [2024-11-09 05:53:53,724 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [11805-11806] [2024-11-09 05:53:53,725 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11809-11810] [2024-11-09 05:53:53,725 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11813-11814] [2024-11-09 05:53:53,726 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [11817-11818] [2024-11-09 05:53:53,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [11891-11892] [2024-11-09 05:53:53,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [11920-11921] [2024-11-09 05:53:53,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [12014] [2024-11-09 05:53:53,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12092] [2024-11-09 05:53:53,776 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)); [13228] [2024-11-09 05:53:53,776 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)); [13235] [2024-11-09 05:53:53,777 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; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [13242-13243] [2024-11-09 05:53:53,777 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; subq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [13250-13251] [2024-11-09 05:53:53,777 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; decq %0": "=m" (v->counter): "m" (v->counter)); [13258] [2024-11-09 05:53:53,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [13341-13342] [2024-11-09 05:53:53,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [13370-13371] [2024-11-09 05:53:53,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [13533] [2024-11-09 05:53:54,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [17857-17858] [2024-11-09 05:53:54,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [17886-17887] [2024-11-09 05:53:54,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [19249] [2024-11-09 05:53:54,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19855] [2024-11-09 05:53:54,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [19882] [2024-11-09 05:53:54,188 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-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5943/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/snic/vnic_dev.c"), "i" (500), "i" (12UL)); [20056-20057] [2024-11-09 05:53:54,215 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-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5943/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/snic/vnic_wq.c"), "i" (218), "i" (12UL)); [20756-20757] [2024-11-09 05:53:54,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i[687738,687751] [2024-11-09 05:53:54,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:53:54,635 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:53:54,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54 WrapperNode [2024-11-09 05:53:54,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:53:54,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:53:54,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:53:54,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:53:54,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:54,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:55,600 INFO L138 Inliner]: procedures = 750, calls = 7696, calls flagged for inlining = 267, calls inlined = 257, statements flattened = 20500 [2024-11-09 05:53:55,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:53:55,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:53:55,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:53:55,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:53:55,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:55,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:55,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:55,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:53:56,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:53:56,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:53:56,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:53:56,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (1/1) ... [2024-11-09 05:53:56,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:53:56,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:53:56,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:53:56,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7a1c40-0604-44fb-8e4f-4da93f6b64cb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:53:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 05:53:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 05:53:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_init_start [2024-11-09 05:53:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_init_start [2024-11-09 05:53:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure snic_process_itmf_cmpl [2024-11-09 05:53:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_process_itmf_cmpl [2024-11-09 05:53:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_cq_alloc [2024-11-09 05:53:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_cq_alloc [2024-11-09 05:53:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 05:53:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 05:53:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2024-11-09 05:53:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2024-11-09 05:53:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2024-11-09 05:53:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2024-11-09 05:53:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:53:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:53:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure snic_unlink_and_release_req [2024-11-09 05:53:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_unlink_and_release_req [2024-11-09 05:53:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:53:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:53:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_unregister [2024-11-09 05:53:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_unregister [2024-11-09 05:53:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_open [2024-11-09 05:53:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_open [2024-11-09 05:53:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2024-11-09 05:53:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2024-11-09 05:53:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_close [2024-11-09 05:53:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_close [2024-11-09 05:53:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure snic_ioreq_state_to_str [2024-11-09 05:53:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_ioreq_state_to_str [2024-11-09 05:53:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_priv [2024-11-09 05:53:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_priv [2024-11-09 05:53:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_all_untagged_reqs [2024-11-09 05:53:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_all_untagged_reqs [2024-11-09 05:53:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-09 05:53:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-09 05:53:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2024-11-09 05:53:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2024-11-09 05:53:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 05:53:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 05:53:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_enable [2024-11-09 05:53:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_enable [2024-11-09 05:53:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hba_reset_cmpl_handler [2024-11-09 05:53:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hba_reset_cmpl_handler [2024-11-09 05:53:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-09 05:53:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-09 05:53:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_get_ctrl [2024-11-09 05:53:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_get_ctrl [2024-11-09 05:53:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hba_reset_scsi_cleanup [2024-11-09 05:53:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hba_reset_scsi_cleanup [2024-11-09 05:53:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:53:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:53:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_intr_mask [2024-11-09 05:53:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_intr_mask [2024-11-09 05:53:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_alloc_desc_ring [2024-11-09 05:53:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_alloc_desc_ring [2024-11-09 05:53:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2024-11-09 05:53:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2024-11-09 05:53:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_free [2024-11-09 05:53:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_free [2024-11-09 05:53:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-09 05:53:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-09 05:53:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_cmpl_handler [2024-11-09 05:53:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_cmpl_handler [2024-11-09 05:53:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 05:53:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 05:53:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-09 05:53:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-09 05:53:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queue_wq_desc [2024-11-09 05:53:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queue_wq_desc [2024-11-09 05:53:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:53:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_open [2024-11-09 05:53:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_open [2024-11-09 05:53:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2024-11-09 05:53:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2024-11-09 05:53:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2024-11-09 05:53:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2024-11-09 05:53:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2024-11-09 05:53:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2024-11-09 05:53:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2024-11-09 05:53:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2024-11-09 05:53:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure snic_probe [2024-11-09 05:53:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_probe [2024-11-09 05:53:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure snic_issue_tm_req [2024-11-09 05:53:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_issue_tm_req [2024-11-09 05:53:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2024-11-09 05:53:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2024-11-09 05:53:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_vnic_res [2024-11-09 05:53:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_vnic_res [2024-11-09 05:53:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_priv [2024-11-09 05:53:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_priv [2024-11-09 05:53:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure snic_pci_unmap_rsp_buf [2024-11-09 05:53:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_pci_unmap_rsp_buf [2024-11-09 05:53:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2024-11-09 05:53:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2024-11-09 05:53:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_snic_disc [2024-11-09 05:53:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_snic_disc [2024-11-09 05:53:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:53:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure snic_change_queue_depth [2024-11-09 05:53:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_change_queue_depth [2024-11-09 05:53:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 05:53:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 05:53:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure snic_state_to_str [2024-11-09 05:53:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_state_to_str [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 05:53:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-09 05:53:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_lock_hash [2024-11-09 05:53:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_lock_hash [2024-11-09 05:53:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:53:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:53:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-09 05:53:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-09 05:53:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_release [2024-11-09 05:53:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_release [2024-11-09 05:53:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_seq_show [2024-11-09 05:53:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_seq_show [2024-11-09 05:53:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 05:53:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 05:53:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure snic_scsi_scan_tgt [2024-11-09 05:53:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_scsi_scan_tgt [2024-11-09 05:53:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-09 05:53:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-09 05:53:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure snic_debugfs_term [2024-11-09 05:53:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_debugfs_term [2024-11-09 05:53:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 05:53:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 05:53:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_spec [2024-11-09 05:53:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_spec [2024-11-09 05:53:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2024-11-09 05:53:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2024-11-09 05:53:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_sub [2024-11-09 05:53:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_sub [2024-11-09 05:53:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-09 05:53:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-09 05:53:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_open [2024-11-09 05:53:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_open [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2024-11-09 05:53:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure snic_set_state [2024-11-09 05:53:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_set_state [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 05:53:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_status_to_str [2024-11-09 05:53:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_status_to_str [2024-11-09 05:53:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2024-11-09 05:53:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2024-11-09 05:53:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-09 05:53:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-09 05:53:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure snic_global_data_cleanup [2024-11-09 05:53:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_global_data_cleanup [2024-11-09 05:53:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:53:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure snic_get_state [2024-11-09 05:53:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_get_state [2024-11-09 05:53:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_cmd [2024-11-09 05:53:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_cmd [2024-11-09 05:53:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 05:53:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 05:53:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:53:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2024-11-09 05:53:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2024-11-09 05:53:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:53:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 05:53:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_disc [2024-11-09 05:53:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_disc [2024-11-09 05:53:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2024-11-09 05:53:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2024-11-09 05:53:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure snic_wq_cmpl_handler [2024-11-09 05:53:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_wq_cmpl_handler [2024-11-09 05:53:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-09 05:53:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-09 05:53:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-09 05:53:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-09 05:53:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-09 05:53:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-09 05:53:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:53:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:53:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_lock_tag [2024-11-09 05:53:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_lock_tag [2024-11-09 05:53:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-09 05:53:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-09 05:53:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2024-11-09 05:53:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2024-11-09 05:53:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-09 05:53:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-09 05:53:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_intr [2024-11-09 05:53:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_intr [2024-11-09 05:53:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_disable [2024-11-09 05:53:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_disable [2024-11-09 05:53:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_untagged_req [2024-11-09 05:53:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_untagged_req [2024-11-09 05:53:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:53:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:53:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2024-11-09 05:53:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2024-11-09 05:53:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 05:53:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure snic_itmf_cmpl_handler [2024-11-09 05:53:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_itmf_cmpl_handler [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure snic_scsi_cleanup [2024-11-09 05:53:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_scsi_cleanup [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:53:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure snic_clear_intr_mode [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_clear_intr_mode [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-09 05:53:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-09 05:53:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2024-11-09 05:53:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2024-11-09 05:53:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_clear_desc_ring [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_clear_desc_ring [2024-11-09 05:53:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-09 05:53:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_seq_stop [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_seq_stop [2024-11-09 05:53:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trace [2024-11-09 05:53:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trace [2024-11-09 05:53:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2024-11-09 05:53:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2024-11-09 05:53:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-09 05:53:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-09 05:53:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-11-09 05:53:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-11-09 05:53:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 05:53:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 05:53:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 05:53:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 05:53:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure snic_cleanup [2024-11-09 05:53:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_cleanup [2024-11-09 05:53:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_11 [2024-11-09 05:53:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_11 [2024-11-09 05:53:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_free [2024-11-09 05:53:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_free [2024-11-09 05:53:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 05:53:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 05:53:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:53:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:53:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:53:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:53:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queuecommand [2024-11-09 05:53:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queuecommand [2024-11-09 05:53:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-09 05:53:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-09 05:53:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 05:53:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 05:53:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_link [2024-11-09 05:53:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_link [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-09 05:53:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure snic_req_init [2024-11-09 05:53:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_req_init [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure snic_color_dec [2024-11-09 05:53:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_color_dec [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure _svnic_dev_cmd2 [2024-11-09 05:53:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure _svnic_dev_cmd2 [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:53:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:53:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_dec [2024-11-09 05:53:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_dec [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2024-11-09 05:53:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_alloc_ring [2024-11-09 05:53:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_alloc_ring [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2024-11-09 05:53:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2024-11-09 05:53:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2024-11-09 05:53:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2024-11-09 05:53:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:53:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_res [2024-11-09 05:53:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_res [2024-11-09 05:53:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure snic_disc_start [2024-11-09 05:53:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_disc_start [2024-11-09 05:53:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:53:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:53:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_free_desc_ring [2024-11-09 05:53:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_free_desc_ring [2024-11-09 05:53:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2024-11-09 05:53:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2024-11-09 05:53:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_hdr_dec [2024-11-09 05:53:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_hdr_dec [2024-11-09 05:53:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure snic_icmnd_cmpl_handler [2024-11-09 05:53:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_icmnd_cmpl_handler [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_flush_work [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_flush_work [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure snic_del_host [2024-11-09 05:53:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_del_host [2024-11-09 05:53:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_debugfs_remove [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_debugfs_remove [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_res_count [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_res_count [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure snic_shutdown_scsi_cleanup [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_shutdown_scsi_cleanup [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2024-11-09 05:53:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2024-11-09 05:53:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure snic_release_req_buf [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_release_req_buf [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tgt_chkready [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tgt_chkready [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2024-11-09 05:53:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2024-11-09 05:53:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_fw_service [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_fw_service [2024-11-09 05:53:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-09 05:53:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2024-11-09 05:53:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_link_status [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_link_status [2024-11-09 05:53:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-09 05:53:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_notify_unset [2024-11-09 05:53:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_notify_unset [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_disable [2024-11-09 05:53:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_disable [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_tgt_disc [2024-11-09 05:53:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_tgt_disc [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2024-11-09 05:53:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_write [2024-11-09 05:53:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_write [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:53:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:53:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work___1 [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work___1 [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_timespec [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_timespec [2024-11-09 05:53:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2024-11-09 05:53:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure snic_remove [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_remove [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_add_return [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_add_return [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 05:53:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tgt_del [2024-11-09 05:53:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tgt_del [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_intr_mode [2024-11-09 05:53:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_intr_mode [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:53:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-09 05:53:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure snic_iounmap [2024-11-09 05:53:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_iounmap [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure snic_req_free [2024-11-09 05:53:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_req_free [2024-11-09 05:53:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2024-11-09 05:53:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_snic_disc [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_snic_disc [2024-11-09 05:53:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 05:53:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hex_dump [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hex_dump [2024-11-09 05:53:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2024-11-09 05:53:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tmreq_pending [2024-11-09 05:53:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tmreq_pending [2024-11-09 05:53:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-09 05:53:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-09 05:53:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure snic_print_desc [2024-11-09 05:53:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_print_desc [2024-11-09 05:53:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure snic_dev_wait [2024-11-09 05:53:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_dev_wait [2024-11-09 05:53:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure snic_release_untagged_req [2024-11-09 05:53:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_release_untagged_req [2024-11-09 05:53:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_update_io_cmpl [2024-11-09 05:53:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_update_io_cmpl [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-09 05:53:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure snic_fwcq_cmpl_handler [2024-11-09 05:53:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_fwcq_cmpl_handler [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure is_snic_target [2024-11-09 05:53:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure is_snic_target [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 05:53:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 05:53:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queue_abort_req [2024-11-09 05:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queue_abort_req [2024-11-09 05:53:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_hdr_enc [2024-11-09 05:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_hdr_enc [2024-11-09 05:53:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2024-11-09 05:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2024-11-09 05:53:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:53:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_set_intr_mode [2024-11-09 05:53:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_set_intr_mode [2024-11-09 05:53:59,183 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:53:59,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:00,382 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:54:36,825 INFO L? ?]: Removed 6995 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:36,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:45,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:45,031 INFO L316 CfgBuilder]: Removed 26 assume(true) statements. [2024-11-09 05:54:45,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:45 BoogieIcfgContainer [2024-11-09 05:54:45,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:45,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:45,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:45,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:45,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:53:46" (1/3) ... [2024-11-09 05:54:45,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bbfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:45, skipping insertion in model container [2024-11-09 05:54:45,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:53:54" (2/3) ... [2024-11-09 05:54:45,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404bbfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:45, skipping insertion in model container [2024-11-09 05:54:45,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:45" (3/3) ... [2024-11-09 05:54:45,040 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i [2024-11-09 05:54:45,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:45,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:45,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:45,275 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@11b133a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:45,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 5672 states, 3370 states have (on average 1.2774480712166172) internal successors, (4305), 3493 states have internal predecessors, (4305), 2093 states have call successors, (2093), 208 states have call predecessors, (2093), 207 states have return successors, (2078), 2048 states have call predecessors, (2078), 2078 states have call successors, (2078) [2024-11-09 05:54:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 05:54:45,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:45,320 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:45,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:45,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:45,325 INFO L85 PathProgramCache]: Analyzing trace with hash 524134726, now seen corresponding path program 1 times [2024-11-09 05:54:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:45,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375197761] [2024-11-09 05:54:45,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:54:57,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375197761] [2024-11-09 05:54:57,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375197761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:57,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:57,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:54:57,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610159972] [2024-11-09 05:54:57,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:57,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:54:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:57,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:54:57,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:54:57,982 INFO L87 Difference]: Start difference. First operand has 5672 states, 3370 states have (on average 1.2774480712166172) internal successors, (4305), 3493 states have internal predecessors, (4305), 2093 states have call successors, (2093), 208 states have call predecessors, (2093), 207 states have return successors, (2078), 2048 states have call predecessors, (2078), 2078 states have call successors, (2078) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:55:00,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:02,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:04,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:55:39,297 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 [] [2024-11-09 05:55:56,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:56,992 INFO L93 Difference]: Finished difference Result 16991 states and 25574 transitions. [2024-11-09 05:55:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:55:56,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2024-11-09 05:55:56,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:57,104 INFO L225 Difference]: With dead ends: 16991 [2024-11-09 05:55:57,105 INFO L226 Difference]: Without dead ends: 11274 [2024-11-09 05:55:57,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:55:57,153 INFO L432 NwaCegarLoop]: 7872 mSDtfsCounter, 8621 mSDsluCounter, 11796 mSDsCounter, 0 mSdLazyCounter, 5987 mSolverCounterSat, 258 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8731 SdHoareTripleChecker+Valid, 19668 SdHoareTripleChecker+Invalid, 6248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 5987 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:57,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8731 Valid, 19668 Invalid, 6248 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [258 Valid, 5987 Invalid, 3 Unknown, 0 Unchecked, 57.9s Time] [2024-11-09 05:55:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2024-11-09 05:55:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 11244. [2024-11-09 05:55:58,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11244 states, 6695 states have (on average 1.2705003734129947) internal successors, (8506), 6905 states have internal predecessors, (8506), 4139 states have call successors, (4139), 410 states have call predecessors, (4139), 409 states have return successors, (4158), 4070 states have call predecessors, (4158), 4133 states have call successors, (4158) [2024-11-09 05:55:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11244 states to 11244 states and 16803 transitions. [2024-11-09 05:55:58,611 INFO L78 Accepts]: Start accepts. Automaton has 11244 states and 16803 transitions. Word has length 61 [2024-11-09 05:55:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:58,613 INFO L471 AbstractCegarLoop]: Abstraction has 11244 states and 16803 transitions. [2024-11-09 05:55:58,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:55:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 11244 states and 16803 transitions. [2024-11-09 05:55:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:55:58,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:58,622 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:55:58,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:55:58,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:55:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:58,626 INFO L85 PathProgramCache]: Analyzing trace with hash -994423169, now seen corresponding path program 1 times [2024-11-09 05:55:58,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:55:58,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982782573] [2024-11-09 05:55:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:56:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:56:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:56:09,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982782573] [2024-11-09 05:56:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982782573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:56:09,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:56:09,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:56:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790385107] [2024-11-09 05:56:09,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:56:09,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:56:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:09,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:56:09,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:56:09,529 INFO L87 Difference]: Start difference. First operand 11244 states and 16803 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:56:11,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:56:13,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:56:16,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:57:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:57:46,474 INFO L93 Difference]: Finished difference Result 22507 states and 33688 transitions. [2024-11-09 05:57:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:57:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-09 05:57:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:57:46,581 INFO L225 Difference]: With dead ends: 22507 [2024-11-09 05:57:46,581 INFO L226 Difference]: Without dead ends: 11270 [2024-11-09 05:57:46,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:57:46,654 INFO L432 NwaCegarLoop]: 7823 mSDtfsCounter, 8157 mSDsluCounter, 15615 mSDsCounter, 0 mSdLazyCounter, 10601 mSolverCounterSat, 125 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8266 SdHoareTripleChecker+Valid, 23438 SdHoareTripleChecker+Invalid, 10729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 10601 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:57:46,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8266 Valid, 23438 Invalid, 10729 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [125 Valid, 10601 Invalid, 3 Unknown, 0 Unchecked, 95.9s Time] [2024-11-09 05:57:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11270 states. [2024-11-09 05:57:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11270 to 11240. [2024-11-09 05:57:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11240 states, 6693 states have (on average 1.2702823845809055) internal successors, (8502), 6903 states have internal predecessors, (8502), 4137 states have call successors, (4137), 410 states have call predecessors, (4137), 409 states have return successors, (4156), 4068 states have call predecessors, (4156), 4131 states have call successors, (4156) [2024-11-09 05:57:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11240 states to 11240 states and 16795 transitions. [2024-11-09 05:57:48,028 INFO L78 Accepts]: Start accepts. Automaton has 11240 states and 16795 transitions. Word has length 60 [2024-11-09 05:57:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:57:48,032 INFO L471 AbstractCegarLoop]: Abstraction has 11240 states and 16795 transitions. [2024-11-09 05:57:48,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:57:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand 11240 states and 16795 transitions. [2024-11-09 05:57:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:57:48,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:57:48,037 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:57:48,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:57:48,038 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:57:48,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:57:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash -281376350, now seen corresponding path program 1 times [2024-11-09 05:57:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:57:48,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145925740] [2024-11-09 05:57:48,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:57:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:57:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:57:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:57:59,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:57:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145925740] [2024-11-09 05:57:59,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145925740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:57:59,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:57:59,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:57:59,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671794711] [2024-11-09 05:57:59,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:57:59,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:57:59,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:57:59,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:57:59,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:57:59,506 INFO L87 Difference]: Start difference. First operand 11240 states and 16795 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:58:01,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:03,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:58:06,156 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 [] [2024-11-09 05:59:31,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:31,266 INFO L93 Difference]: Finished difference Result 22471 states and 33576 transitions. [2024-11-09 05:59:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:59:31,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2024-11-09 05:59:31,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:31,349 INFO L225 Difference]: With dead ends: 22471 [2024-11-09 05:59:31,350 INFO L226 Difference]: Without dead ends: 11238 [2024-11-09 05:59:31,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:59:31,403 INFO L432 NwaCegarLoop]: 7701 mSDtfsCounter, 8176 mSDsluCounter, 6590 mSDsCounter, 0 mSdLazyCounter, 9900 mSolverCounterSat, 121 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8290 SdHoareTripleChecker+Valid, 14291 SdHoareTripleChecker+Invalid, 10024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 9900 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:31,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8290 Valid, 14291 Invalid, 10024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 9900 Invalid, 3 Unknown, 0 Unchecked, 90.9s Time] [2024-11-09 05:59:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11238 states. [2024-11-09 05:59:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11238 to 11236. [2024-11-09 05:59:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11236 states, 6691 states have (on average 1.2700642654311762) internal successors, (8498), 6901 states have internal predecessors, (8498), 4135 states have call successors, (4135), 410 states have call predecessors, (4135), 409 states have return successors, (4154), 4066 states have call predecessors, (4154), 4129 states have call successors, (4154) [2024-11-09 05:59:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11236 states to 11236 states and 16787 transitions. [2024-11-09 05:59:32,635 INFO L78 Accepts]: Start accepts. Automaton has 11236 states and 16787 transitions. Word has length 62 [2024-11-09 05:59:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:32,636 INFO L471 AbstractCegarLoop]: Abstraction has 11236 states and 16787 transitions. [2024-11-09 05:59:32,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:59:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11236 states and 16787 transitions. [2024-11-09 05:59:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:59:32,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:32,639 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:32,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:59:32,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:59:32,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:32,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1536253706, now seen corresponding path program 1 times [2024-11-09 05:59:32,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:32,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034231097] [2024-11-09 05:59:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:59:42,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:42,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034231097] [2024-11-09 05:59:42,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034231097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:42,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:42,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:59:42,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978551402] [2024-11-09 05:59:42,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:42,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:59:42,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:42,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:59:42,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:59:42,627 INFO L87 Difference]: Start difference. First operand 11236 states and 16787 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:59:44,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:46,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:59:49,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:00:54,896 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 [] [2024-11-09 06:01:26,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:26,548 INFO L93 Difference]: Finished difference Result 22491 states and 33656 transitions. [2024-11-09 06:01:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:01:26,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2024-11-09 06:01:26,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:26,620 INFO L225 Difference]: With dead ends: 22491 [2024-11-09 06:01:26,620 INFO L226 Difference]: Without dead ends: 11262 [2024-11-09 06:01:26,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:01:26,669 INFO L432 NwaCegarLoop]: 7888 mSDtfsCounter, 8658 mSDsluCounter, 14396 mSDsCounter, 0 mSdLazyCounter, 10467 mSolverCounterSat, 123 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8765 SdHoareTripleChecker+Valid, 22284 SdHoareTripleChecker+Invalid, 10593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 10467 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:26,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8765 Valid, 22284 Invalid, 10593 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [123 Valid, 10467 Invalid, 3 Unknown, 0 Unchecked, 102.8s Time] [2024-11-09 06:01:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11262 states. [2024-11-09 06:01:27,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11262 to 11232. [2024-11-09 06:01:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11232 states, 6689 states have (on average 1.269846015846913) internal successors, (8494), 6899 states have internal predecessors, (8494), 4133 states have call successors, (4133), 410 states have call predecessors, (4133), 409 states have return successors, (4152), 4064 states have call predecessors, (4152), 4127 states have call successors, (4152) [2024-11-09 06:01:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11232 states to 11232 states and 16779 transitions. [2024-11-09 06:01:27,770 INFO L78 Accepts]: Start accepts. Automaton has 11232 states and 16779 transitions. Word has length 62 [2024-11-09 06:01:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:27,771 INFO L471 AbstractCegarLoop]: Abstraction has 11232 states and 16779 transitions. [2024-11-09 06:01:27,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:01:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 11232 states and 16779 transitions. [2024-11-09 06:01:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 06:01:27,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:27,776 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:27,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:01:27,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:01:27,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1151401771, now seen corresponding path program 1 times [2024-11-09 06:01:27,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:27,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925055749] [2024-11-09 06:01:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:01:38,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:38,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925055749] [2024-11-09 06:01:38,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925055749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:38,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:01:38,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:01:38,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460847821] [2024-11-09 06:01:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:38,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:01:38,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:01:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:01:38,872 INFO L87 Difference]: Start difference. First operand 11232 states and 16779 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:01:41,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:43,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:01:45,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:02:35,832 INFO L93 Difference]: Finished difference Result 22455 states and 33544 transitions. [2024-11-09 06:02:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:02:35,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2024-11-09 06:02:35,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:02:35,907 INFO L225 Difference]: With dead ends: 22455 [2024-11-09 06:02:35,907 INFO L226 Difference]: Without dead ends: 11230 [2024-11-09 06:02:35,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:02:35,956 INFO L432 NwaCegarLoop]: 7698 mSDtfsCounter, 8578 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8691 SdHoareTripleChecker+Valid, 10993 SdHoareTripleChecker+Invalid, 5543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:02:35,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8691 Valid, 10993 Invalid, 5543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [234 Valid, 5306 Invalid, 3 Unknown, 0 Unchecked, 56.1s Time] [2024-11-09 06:02:35,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11230 states. [2024-11-09 06:02:37,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11230 to 11228. [2024-11-09 06:02:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11228 states, 6687 states have (on average 1.2696276357110812) internal successors, (8490), 6897 states have internal predecessors, (8490), 4131 states have call successors, (4131), 410 states have call predecessors, (4131), 409 states have return successors, (4150), 4062 states have call predecessors, (4150), 4125 states have call successors, (4150) [2024-11-09 06:02:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11228 states to 11228 states and 16771 transitions. [2024-11-09 06:02:37,107 INFO L78 Accepts]: Start accepts. Automaton has 11228 states and 16771 transitions. Word has length 63 [2024-11-09 06:02:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:02:37,107 INFO L471 AbstractCegarLoop]: Abstraction has 11228 states and 16771 transitions. [2024-11-09 06:02:37,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:02:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 11228 states and 16771 transitions. [2024-11-09 06:02:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 06:02:37,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:02:37,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:02:37,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:02:37,111 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:02:37,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:02:37,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1420138717, now seen corresponding path program 1 times [2024-11-09 06:02:37,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:02:37,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439576684] [2024-11-09 06:02:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:02:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:02:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:02:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:02:48,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:02:48,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439576684] [2024-11-09 06:02:48,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439576684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:02:48,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:02:48,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:02:48,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508383958] [2024-11-09 06:02:48,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:02:48,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:02:48,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:02:48,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:02:48,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:02:48,713 INFO L87 Difference]: Start difference. First operand 11228 states and 16771 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:02:50,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:53,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:02:55,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:32,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:32,806 INFO L93 Difference]: Finished difference Result 22475 states and 33624 transitions. [2024-11-09 06:04:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:04:32,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2024-11-09 06:04:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:32,890 INFO L225 Difference]: With dead ends: 22475 [2024-11-09 06:04:32,890 INFO L226 Difference]: Without dead ends: 11254 [2024-11-09 06:04:33,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:04:33,118 INFO L432 NwaCegarLoop]: 7814 mSDtfsCounter, 8643 mSDsluCounter, 14387 mSDsCounter, 0 mSdLazyCounter, 10453 mSolverCounterSat, 121 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8748 SdHoareTripleChecker+Valid, 22201 SdHoareTripleChecker+Invalid, 10577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 10453 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:33,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8748 Valid, 22201 Invalid, 10577 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [121 Valid, 10453 Invalid, 3 Unknown, 0 Unchecked, 102.9s Time] [2024-11-09 06:04:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11254 states. [2024-11-09 06:04:34,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11254 to 11224. [2024-11-09 06:04:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11224 states, 6685 states have (on average 1.2694091249065071) internal successors, (8486), 6895 states have internal predecessors, (8486), 4129 states have call successors, (4129), 410 states have call predecessors, (4129), 409 states have return successors, (4148), 4060 states have call predecessors, (4148), 4123 states have call successors, (4148) [2024-11-09 06:04:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11224 states to 11224 states and 16763 transitions. [2024-11-09 06:04:34,126 INFO L78 Accepts]: Start accepts. Automaton has 11224 states and 16763 transitions. Word has length 63 [2024-11-09 06:04:34,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:34,126 INFO L471 AbstractCegarLoop]: Abstraction has 11224 states and 16763 transitions. [2024-11-09 06:04:34,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:04:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 11224 states and 16763 transitions. [2024-11-09 06:04:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 06:04:34,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:34,129 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:04:34,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:04:34,129 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:34,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:34,130 INFO L85 PathProgramCache]: Analyzing trace with hash -845174453, now seen corresponding path program 1 times [2024-11-09 06:04:34,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:04:34,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833574674] [2024-11-09 06:04:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:04:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:04:44,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:04:44,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833574674] [2024-11-09 06:04:44,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833574674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:44,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:04:44,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:04:44,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32090994] [2024-11-09 06:04:44,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:44,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:04:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:04:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:04:44,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:04:44,357 INFO L87 Difference]: Start difference. First operand 11224 states and 16763 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:04:46,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:48,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:50,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:05:44,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:05:44,031 INFO L93 Difference]: Finished difference Result 22439 states and 33512 transitions. [2024-11-09 06:05:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:05:44,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2024-11-09 06:05:44,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:05:44,150 INFO L225 Difference]: With dead ends: 22439 [2024-11-09 06:05:44,151 INFO L226 Difference]: Without dead ends: 11222 [2024-11-09 06:05:44,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:05:44,210 INFO L432 NwaCegarLoop]: 7695 mSDtfsCounter, 8574 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 5304 mSolverCounterSat, 232 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8686 SdHoareTripleChecker+Valid, 10990 SdHoareTripleChecker+Invalid, 5539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 5304 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:05:44,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8686 Valid, 10990 Invalid, 5539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [232 Valid, 5304 Invalid, 3 Unknown, 0 Unchecked, 58.7s Time] [2024-11-09 06:05:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11222 states. [2024-11-09 06:05:45,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11222 to 11220. [2024-11-09 06:05:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11220 states, 6683 states have (on average 1.269190483315876) internal successors, (8482), 6893 states have internal predecessors, (8482), 4127 states have call successors, (4127), 410 states have call predecessors, (4127), 409 states have return successors, (4146), 4058 states have call predecessors, (4146), 4121 states have call successors, (4146) [2024-11-09 06:05:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11220 states to 11220 states and 16755 transitions. [2024-11-09 06:05:45,314 INFO L78 Accepts]: Start accepts. Automaton has 11220 states and 16755 transitions. Word has length 64 [2024-11-09 06:05:45,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:05:45,315 INFO L471 AbstractCegarLoop]: Abstraction has 11220 states and 16755 transitions. [2024-11-09 06:05:45,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:05:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 11220 states and 16755 transitions. [2024-11-09 06:05:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 06:05:45,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:05:45,318 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:05:45,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:05:45,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:05:45,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:05:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1565149406, now seen corresponding path program 1 times [2024-11-09 06:05:45,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:05:45,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470042300] [2024-11-09 06:05:45,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:05:45,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:05:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:05:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 06:05:56,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:05:56,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470042300] [2024-11-09 06:05:56,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470042300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:05:56,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:05:56,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:05:56,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892514199] [2024-11-09 06:05:56,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:05:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:05:56,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:05:56,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:05:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:05:56,688 INFO L87 Difference]: Start difference. First operand 11220 states and 16755 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 06:05:58,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:06:01,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:06:03,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:07:14,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []