./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ --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 b0972555dcd79a5f779d586a5c7ed93c052eba30949ae32332c80aa686a12f15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:50:17,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:50:17,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:50:17,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:50:17,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:50:17,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:50:17,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:50:17,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:50:17,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:50:17,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:50:17,538 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:50:17,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:50:17,540 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:50:17,541 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:50:17,541 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:50:17,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:50:17,543 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:50:17,543 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:50:17,544 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:50:17,545 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:50:17,546 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:50:17,547 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:50:17,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:50:17,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:50:17,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:50:17,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:50:17,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:50:17,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:50:17,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:50:17,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:50:17,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:50:17,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:50:17,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:50:17,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:17,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:50:17,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:50:17,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:50:17,556 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:50:17,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:50:17,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:50:17,557 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:50:17,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:50:17,558 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_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0972555dcd79a5f779d586a5c7ed93c052eba30949ae32332c80aa686a12f15 [2023-11-19 04:50:17,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:50:17,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:50:17,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:50:17,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:50:17,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:50:17,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2023-11-19 04:50:21,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:50:22,000 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:50:22,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2023-11-19 04:50:22,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/data/a75a5fb44/79bbe660c90c47899a8fd12aee8b6dcf/FLAGc2b61a018 [2023-11-19 04:50:22,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/data/a75a5fb44/79bbe660c90c47899a8fd12aee8b6dcf [2023-11-19 04:50:22,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:50:22,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:50:22,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:22,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:50:22,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:50:22,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:22" (1/1) ... [2023-11-19 04:50:22,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4eb604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:22, skipping insertion in model container [2023-11-19 04:50:22,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:50:22" (1/1) ... [2023-11-19 04:50:22,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:50:23,282 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2023-11-19 04:50:23,282 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [9726-9727] [2023-11-19 04:50:23,884 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i[294645,294658] [2023-11-19 04:50:25,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:25,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:50:26,210 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [9725] [2023-11-19 04:50:26,211 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [9726-9727] [2023-11-19 04:50:26,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9809] [2023-11-19 04:50:26,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9854] [2023-11-19 04:50:26,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9857] [2023-11-19 04:50:26,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9860] [2023-11-19 04:50:26,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9863] [2023-11-19 04:50:26,220 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [9914-9915] [2023-11-19 04:50:26,221 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"); [9926-9927] [2023-11-19 04:50:26,221 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"); [9930-9931] [2023-11-19 04:50:26,222 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"); [9934-9935] [2023-11-19 04:50:26,222 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"); [9938-9939] [2023-11-19 04:50:26,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [9955] [2023-11-19 04:50:26,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [9958] [2023-11-19 04:50:26,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [9961] [2023-11-19 04:50:26,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [9964] [2023-11-19 04:50:26,232 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i[294645,294658] [2023-11-19 04:50:26,240 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" (65), "i" (12UL)); [10318-10319] [2023-11-19 04:50:26,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5154/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/qla2xxx/tcm_qla2xxx.o.c.prepared"), "i" (512), "i" (12UL)); [11032-11033] [2023-11-19 04:50:26,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5154/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/qla2xxx/tcm_qla2xxx.o.c.prepared"), "i" (528), "i" (12UL)); [11056-11057] [2023-11-19 04:50:26,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5154/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/qla2xxx/tcm_qla2xxx.o.c.prepared"), "i" (877), "i" (12UL)); [11463-11464] [2023-11-19 04:50:26,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5154/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/qla2xxx/tcm_qla2xxx.o.c.prepared"), "i" (883), "i" (12UL)); [11481-11482] [2023-11-19 04:50:26,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/5154/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/qla2xxx/tcm_qla2xxx.o.c.prepared"), "i" (1537), "i" (12UL)); [12613-12614] [2023-11-19 04:50:26,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:50:26,743 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:26,744 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:26,744 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:26,744 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:50:26,753 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:50:26,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26 WrapperNode [2023-11-19 04:50:26,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:50:26,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:26,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:50:26,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:50:26,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:26,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,100 INFO L138 Inliner]: procedures = 303, calls = 2599, calls flagged for inlining = 133, calls inlined = 125, statements flattened = 6425 [2023-11-19 04:50:27,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:50:27,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:50:27,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:50:27,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:50:27,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:50:27,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:50:27,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:50:27,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:50:27,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (1/1) ... [2023-11-19 04:50:27,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:50:27,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:50:27,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:50:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49843f29-7578-402b-af8f-aa4e5c4e518b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:50:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:50:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:50:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_task_tag [2023-11-19 04:50:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_task_tag [2023-11-19 04:50:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_unreg_sess [2023-11-19 04:50:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_unreg_sess [2023-11-19 04:50:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 04:50:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 04:50:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_dif_err [2023-11-19 04:50:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_dif_err [2023-11-19 04:50:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_session [2023-11-19 04:50:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_session [2023-11-19 04:50:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_data_in [2023-11-19 04:50:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_data_in [2023-11-19 04:50:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:50:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:50:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_default_node_attrs [2023-11-19 04:50:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_default_node_attrs [2023-11-19 04:50:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_drop_lport [2023-11-19 04:50:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_drop_lport [2023-11-19 04:50:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_lport_register [2023-11-19 04:50:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_lport_register [2023-11-19 04:50:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:50:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:50:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:50:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:50:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending_status [2023-11-19 04:50:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending_status [2023-11-19 04:50:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 04:50:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 04:50:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_stop_free [2023-11-19 04:50:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_stop_free [2023-11-19 04:50:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-19 04:50:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-19 04:50:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_prod_write_protect [2023-11-19 04:50:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_prod_write_protect [2023-11-19 04:50:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_loop_id [2023-11-19 04:50:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_loop_id [2023-11-19 04:50:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_lport [2023-11-19 04:50:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_lport [2023-11-19 04:50:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:50:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:50:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2023-11-19 04:50:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_clear_nacl_from_fcport_map [2023-11-19 04:50:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:50:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:50:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:50:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:50:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_init [2023-11-19 04:50:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_init [2023-11-19 04:50:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:50:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:50:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_write_pending [2023-11-19 04:50:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_write_pending [2023-11-19 04:50:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2023-11-19 04:50:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2023-11-19 04:50:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_mcmd [2023-11-19 04:50:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_mcmd [2023-11-19 04:50:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_cmd_state [2023-11-19 04:50:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_cmd_state [2023-11-19 04:50:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode [2023-11-19 04:50:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode [2023-11-19 04:50:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_wwn [2023-11-19 04:50:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_wwn [2023-11-19 04:50:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_init_lport [2023-11-19 04:50:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_init_lport [2023-11-19 04:50:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:50:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:50:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_sess [2023-11-19 04:50:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_sess [2023-11-19 04:50:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:50:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure btree_destroy32 [2023-11-19 04:50:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_destroy32 [2023-11-19 04:50:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:50:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:50:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:50:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_tag [2023-11-19 04:50:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_tag [2023-11-19 04:50:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_tpg [2023-11-19 04:50:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_tpg [2023-11-19 04:50:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:50:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:50:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:50:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 04:50:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_deregister [2023-11-19 04:50:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_deregister [2023-11-19 04:50:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_write_protect [2023-11-19 04:50:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_write_protect [2023-11-19 04:50:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:50:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:50:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 04:50:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure core_tpg_register [2023-11-19 04:50:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure core_tpg_register [2023-11-19 04:50:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id [2023-11-19 04:50:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id [2023-11-19 04:50:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure target_sess_cmd_list_set_waiting [2023-11-19 04:50:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure target_sess_cmd_list_set_waiting [2023-11-19 04:50:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:50:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:50:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_wwn [2023-11-19 04:50:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_wwn [2023-11-19 04:50:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:50:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:50:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_cmd [2023-11-19 04:50:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_cmd [2023-11-19 04:50:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:50:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:50:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_get_inst_index [2023-11-19 04:50:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_get_inst_index [2023-11-19 04:50:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-19 04:50:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-19 04:50:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:50:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:50:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_tpg_show_enable [2023-11-19 04:50:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_tpg_show_enable [2023-11-19 04:50:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_cache [2023-11-19 04:50:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_cache [2023-11-19 04:50:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_tpg [2023-11-19 04:50:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_tpg [2023-11-19 04:50:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:50:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:50:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-19 04:50:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-19 04:50:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_extract_wwn [2023-11-19 04:50:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_extract_wwn [2023-11-19 04:50:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_set_sess_by_s_id [2023-11-19 04:50:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_set_sess_by_s_id [2023-11-19 04:50:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 04:50:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 04:50:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:50:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-19 04:50:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-19 04:50:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_enable_vha [2023-11-19 04:50:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_enable_vha [2023-11-19 04:50:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_shutdown_sess [2023-11-19 04:50:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_shutdown_sess [2023-11-19 04:50:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_check_demo_mode_login_only [2023-11-19 04:50:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_check_demo_mode_login_only [2023-11-19 04:50:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_aborted_task [2023-11-19 04:50:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_aborted_task [2023-11-19 04:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure btree_remove32 [2023-11-19 04:50:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_remove32 [2023-11-19 04:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_tm_rsp [2023-11-19 04:50:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_tm_rsp [2023-11-19 04:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_request_failure [2023-11-19 04:50:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_request_failure [2023-11-19 04:50:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_lport [2023-11-19 04:50:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_lport [2023-11-19 04:50:27,790 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_stop_phase1 [2023-11-19 04:50:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_stop_phase1 [2023-11-19 04:50:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_proto_ident [2023-11-19 04:50:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_proto_ident [2023-11-19 04:50:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:50:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:50:27,791 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_queue_status [2023-11-19 04:50:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_queue_status [2023-11-19 04:50:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_lport [2023-11-19 04:50:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_lport [2023-11-19 04:50:27,792 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:50:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:50:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_sess_get_index [2023-11-19 04:50:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_sess_get_index [2023-11-19 04:50:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_pr_transport_id_len [2023-11-19 04:50:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_pr_transport_id_len [2023-11-19 04:50:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 04:50:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 04:50:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_handle_data [2023-11-19 04:50:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_handle_data [2023-11-19 04:50:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:50:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:50:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:50:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_format_wwn [2023-11-19 04:50:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_format_wwn [2023-11-19 04:50:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 04:50:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 04:50:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:50:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:50:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure target_fabric_configfs_register [2023-11-19 04:50:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure target_fabric_configfs_register [2023-11-19 04:50:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure btree_insert32 [2023-11-19 04:50:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_insert32 [2023-11-19 04:50:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_release_fabric_acl [2023-11-19 04:50:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_release_fabric_acl [2023-11-19 04:50:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:50:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-19 04:50:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-19 04:50:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 04:50:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 04:50:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_get_fabric_name [2023-11-19 04:50:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_get_fabric_name [2023-11-19 04:50:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:50:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_close_session [2023-11-19 04:50:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_close_session [2023-11-19 04:50:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2023-11-19 04:50:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2023-11-19 04:50:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:50:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:50:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_fabric_name [2023-11-19 04:50:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_fabric_name [2023-11-19 04:50:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_session [2023-11-19 04:50:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_session [2023-11-19 04:50:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:50:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure btree_update32 [2023-11-19 04:50:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_update32 [2023-11-19 04:50:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-19 04:50:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-19 04:50:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_parse_pr_out_transport_id [2023-11-19 04:50:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_parse_pr_out_transport_id [2023-11-19 04:50:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_make_nodeacl [2023-11-19 04:50:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_make_nodeacl [2023-11-19 04:50:27,803 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_drop_nodeacl [2023-11-19 04:50:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_drop_nodeacl [2023-11-19 04:50:27,804 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:50:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:50:27,804 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-19 04:50:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-19 04:50:27,804 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:50:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:50:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure qlt_xmit_response [2023-11-19 04:50:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qlt_xmit_response [2023-11-19 04:50:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_free_cmd [2023-11-19 04:50:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_free_cmd [2023-11-19 04:50:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:50:27,806 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:50:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_npiv_make_tpg [2023-11-19 04:50:27,806 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_npiv_make_tpg [2023-11-19 04:50:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_get_default_depth [2023-11-19 04:50:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_get_default_depth [2023-11-19 04:50:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_put_session [2023-11-19 04:50:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_put_session [2023-11-19 04:50:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure target_reverse_dma_direction [2023-11-19 04:50:27,807 INFO L138 BoogieDeclarations]: Found implementation of procedure target_reverse_dma_direction [2023-11-19 04:50:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure btree_lookup32 [2023-11-19 04:50:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure btree_lookup32 [2023-11-19 04:50:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:50:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 04:50:27,808 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 04:50:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:50:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:50:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_qla2xxx_alloc_fabric_acl [2023-11-19 04:50:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_qla2xxx_alloc_fabric_acl [2023-11-19 04:50:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:50:27,809 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:50:29,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:50:29,044 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:50:30,301 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:50:44,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:50:46,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:50:46,419 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:50:46,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:46 BoogieIcfgContainer [2023-11-19 04:50:46,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:50:46,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:50:46,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:50:46,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:50:46,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:50:22" (1/3) ... [2023-11-19 04:50:46,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6343d563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:46, skipping insertion in model container [2023-11-19 04:50:46,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:50:26" (2/3) ... [2023-11-19 04:50:46,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6343d563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:50:46, skipping insertion in model container [2023-11-19 04:50:46,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:50:46" (3/3) ... [2023-11-19 04:50:46,473 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--qla2xxx--tcm_qla2xxx.ko-entry_point.cil.out.i [2023-11-19 04:50:46,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:50:46,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:50:46,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:50:46,647 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@527c86c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:50:46,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:50:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 1961 states, 1244 states have (on average 1.4059485530546625) internal successors, (1749), 1291 states have internal predecessors, (1749), 602 states have call successors, (602), 114 states have call predecessors, (602), 113 states have return successors, (589), 570 states have call predecessors, (589), 589 states have call successors, (589) [2023-11-19 04:50:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-11-19 04:50:46,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:46,749 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:50:46,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:50:46,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1001161212, now seen corresponding path program 1 times [2023-11-19 04:50:46,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:46,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962902583] [2023-11-19 04:50:46,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:50:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2023-11-19 04:50:48,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:50:48,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962902583] [2023-11-19 04:50:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962902583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:50:48,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:50:48,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:50:48,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764256253] [2023-11-19 04:50:48,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:50:48,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:50:48,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:50:48,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:50:48,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:50:48,515 INFO L87 Difference]: Start difference. First operand has 1961 states, 1244 states have (on average 1.4059485530546625) internal successors, (1749), 1291 states have internal predecessors, (1749), 602 states have call successors, (602), 114 states have call predecessors, (602), 113 states have return successors, (589), 570 states have call predecessors, (589), 589 states have call successors, (589) Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-11-19 04:50:50,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:50:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:50:54,812 INFO L93 Difference]: Finished difference Result 5339 states and 7997 transitions. [2023-11-19 04:50:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:50:54,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 336 [2023-11-19 04:50:54,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:50:54,872 INFO L225 Difference]: With dead ends: 5339 [2023-11-19 04:50:54,873 INFO L226 Difference]: Without dead ends: 3402 [2023-11-19 04:50:54,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:50:54,893 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 2367 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2367 SdHoareTripleChecker+Valid, 5139 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:50:54,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2367 Valid, 5139 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 582 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2023-11-19 04:50:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2023-11-19 04:50:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3397. [2023-11-19 04:50:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2170 states have (on average 1.3870967741935485) internal successors, (3010), 2233 states have internal predecessors, (3010), 1006 states have call successors, (1006), 221 states have call predecessors, (1006), 220 states have return successors, (1004), 965 states have call predecessors, (1004), 1004 states have call successors, (1004) [2023-11-19 04:50:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5020 transitions. [2023-11-19 04:50:55,400 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5020 transitions. Word has length 336 [2023-11-19 04:50:55,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:50:55,403 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5020 transitions. [2023-11-19 04:50:55,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-11-19 04:50:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5020 transitions. [2023-11-19 04:50:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-11-19 04:50:55,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:50:55,423 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:50:55,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:50:55,424 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:50:55,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:50:55,425 INFO L85 PathProgramCache]: Analyzing trace with hash -257881730, now seen corresponding path program 1 times [2023-11-19 04:50:55,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:50:55,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263366563] [2023-11-19 04:50:55,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:50:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:50:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:50:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3388 trivial. 0 not checked. [2023-11-19 04:50:56,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:50:56,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263366563] [2023-11-19 04:50:56,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263366563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:50:56,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:50:56,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:50:56,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113638495] [2023-11-19 04:50:56,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:50:56,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:50:56,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:50:56,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:50:56,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:50:56,391 INFO L87 Difference]: Start difference. First operand 3397 states and 5020 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-11-19 04:50:58,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:51:04,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:04,162 INFO L93 Difference]: Finished difference Result 9084 states and 13359 transitions. [2023-11-19 04:51:04,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:51:04,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 340 [2023-11-19 04:51:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted.