./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8f6c1750eda616cb0a9daf4cabf92bcfd46a21f9099420e2ed4a5dfa845f3b17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:34:07,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:34:07,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 19:34:07,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:34:07,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:34:07,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:34:07,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:34:07,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:34:07,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:34:07,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:34:07,202 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:34:07,203 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:34:07,203 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:34:07,204 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:34:07,204 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:34:07,205 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:34:07,205 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:34:07,206 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:34:07,206 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:34:07,207 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:34:07,207 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:34:07,208 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:34:07,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:34:07,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:34:07,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:34:07,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:34:07,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:34:07,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:34:07,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:34:07,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:34:07,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:34:07,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:34:07,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:34:07,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:34:07,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:07,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:34:07,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:34:07,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:34:07,215 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:34:07,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:34:07,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:34:07,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:34:07,216 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:34:07,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:34:07,216 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_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f6c1750eda616cb0a9daf4cabf92bcfd46a21f9099420e2ed4a5dfa845f3b17 [2023-12-02 19:34:07,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:34:07,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:34:07,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:34:07,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:34:07,454 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:34:07,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i [2023-12-02 19:34:10,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:34:11,091 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:34:11,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i [2023-12-02 19:34:11,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/data/947d1cf83/f283e3a9abd54c54841bcca4e06d4cdb/FLAGa02b43e98 [2023-12-02 19:34:11,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/data/947d1cf83/f283e3a9abd54c54841bcca4e06d4cdb [2023-12-02 19:34:11,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:34:11,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:34:11,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:11,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:34:11,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:34:11,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:11" (1/1) ... [2023-12-02 19:34:11,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bc8287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:11, skipping insertion in model container [2023-12-02 19:34:11,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:11" (1/1) ... [2023-12-02 19:34:11,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:34:12,826 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_30746f3c-cdd7-4a04-aaa2-df6366b7272d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i[178821,178834] [2023-12-02 19:34:18,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:19,048 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:34:19,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.section .altinstructions,\"a\"\n .balign 8 \n .quad 661b\n .quad 663f\n\t .word (4*32+23)\n\t .byte 662b-661b\n\t .byte 664f-663f\n.previous\n.section .discard,\"aw\",@progbits\n\t .byte 0xff + (664f-663f) - (662b-661b)\n.previous\n.section .altinstr_replacement, \"ax\"\n663:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n664:\n.previous": "=a" (res): "D" (w)); [6030] [2023-12-02 19:34:19,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [6118] [2023-12-02 19:34:19,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [6127-6128] [2023-12-02 19:34:19,197 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_30746f3c-cdd7-4a04-aaa2-df6366b7272d/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i[178821,178834] [2023-12-02 19:34:19,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6607] [2023-12-02 19:34:19,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6973] [2023-12-02 19:34:19,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/main.o.c.prepared"), "i" (824), "i" (12UL)); [7620-7621] [2023-12-02 19:34:19,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7631] [2023-12-02 19:34:19,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7636] [2023-12-02 19:34:19,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8622] [2023-12-02 19:34:19,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8947] [2023-12-02 19:34:19,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9972-9973] [2023-12-02 19:34:19,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [9996] [2023-12-02 19:34:19,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14125] [2023-12-02 19:34:19,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1170), "i" (12UL)); [15725-15726] [2023-12-02 19:34:19,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1231), "i" (12UL)); [15832-15833] [2023-12-02 19:34:19,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1653), "i" (12UL)); [16383-16384] [2023-12-02 19:34:19,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1693), "i" (12UL)); [16450-16451] [2023-12-02 19:34:19,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1775), "i" (12UL)); [16612-16613] [2023-12-02 19:34:19,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/phy.o.c.prepared"), "i" (1882), "i" (12UL)); [16723-16724] [2023-12-02 19:34:19,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0\n\tcmovzl %2,%0": "=&r" (r): "rm" (x), "rm" (-1)); [17255] [2023-12-02 19:34:19,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [17913-17914] [2023-12-02 19:34:19,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [17940] [2023-12-02 19:34:19,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [17948-17949] [2023-12-02 19:34:19,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/tx.o.c.prepared"), "i" (895), "i" (12UL)); [19116-19117] [2023-12-02 19:34:19,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [19702] [2023-12-02 19:34:19,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/rx.o.c.prepared"), "i" (622), "i" (12UL)); [20740-20741] [2023-12-02 19:34:19,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-007--linux-stable--dir/work/current--X--drivers/net/wireless/ath/carl9170/carl9170.ko--X--defaultlinux-stable-8a9f335-1--X--32_7a--X--cpachecker/linux-stable-8a9f335-1/csd_deg_dscv/20/dscv_tempdir/dscv/ri/32_7a/drivers/net/wireless/ath/carl9170/rx.o.c.prepared"), "i" (905), "i" (12UL)); [21088-21089] [2023-12-02 19:34:19,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:34:20,451 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:20,452 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:20,452 WARN L675 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:20,452 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 19:34:20,460 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:34:20,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20 WrapperNode [2023-12-02 19:34:20,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:34:20,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:20,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:34:20,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:34:20,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:20,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:21,452 INFO L138 Inliner]: procedures = 827, calls = 11910, calls flagged for inlining = 457, calls inlined = 358, statements flattened = 25154 [2023-12-02 19:34:21,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:34:21,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:34:21,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:34:21,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:34:21,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:21,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:21,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:21,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:34:22,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:34:22,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:34:22,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:34:22,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (1/1) ... [2023-12-02 19:34:22,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:34:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:34:22,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:34:22,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30746f3c-cdd7-4a04-aaa2-df6366b7272d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:34:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-02 19:34:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-02 19:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-12-02 19:34:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-12-02 19:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_sta_notify [2023-12-02 19:34:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_sta_notify [2023-12-02 19:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_set_key [2023-12-02 19:34:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_set_key [2023-12-02 19:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_reboot [2023-12-02 19:34:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_reboot [2023-12-02 19:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_exec_cmd [2023-12-02 19:34:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_exec_cmd [2023-12-02 19:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-12-02 19:34:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-12-02 19:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_interpolate_u8 [2023-12-02 19:34:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_interpolate_u8 [2023-12-02 19:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-12-02 19:34:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-12-02 19:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_get_skb [2023-12-02 19:34:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_get_skb [2023-12-02 19:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-12-02 19:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 19:34:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 19:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_scuttle_anchored_urbs [2023-12-02 19:34:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_scuttle_anchored_urbs [2023-12-02 19:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_cts_check [2023-12-02 19:34:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_cts_check [2023-12-02 19:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-12-02 19:34:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-12-02 19:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx [2023-12-02 19:34:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx [2023-12-02 19:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 19:34:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 19:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2023-12-02 19:34:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2023-12-02 19:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2023-12-02 19:34:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2023-12-02 19:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 19:34:22,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 19:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-12-02 19:34:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-12-02 19:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_qos [2023-12-02 19:34:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_qos [2023-12-02 19:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_ampdu [2023-12-02 19:34:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_ampdu [2023-12-02 19:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_drop [2023-12-02 19:34:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_drop [2023-12-02 19:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 19:34:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 19:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_debugfs_queue_dump [2023-12-02 19:34:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_debugfs_queue_dump [2023-12-02 19:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure __carl9170_tx_process_status [2023-12-02 19:34:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __carl9170_tx_process_status [2023-12-02 19:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_disconnect [2023-12-02 19:34:22,618 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_disconnect [2023-12-02 19:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-12-02 19:34:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-12-02 19:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_rx_filter [2023-12-02 19:34:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_rx_filter [2023-12-02 19:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_46 [2023-12-02 19:34:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_46 [2023-12-02 19:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_add_interface [2023-12-02 19:34:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_add_interface [2023-12-02 19:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_led_set_state [2023-12-02 19:34:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_led_set_state [2023-12-02 19:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-12-02 19:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_flush [2023-12-02 19:34:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_flush [2023-12-02 19:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-12-02 19:34:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-12-02 19:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_interpolate_val [2023-12-02 19:34:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_interpolate_val [2023-12-02 19:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-12-02 19:34:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-12-02 19:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure __carl9170_set_state [2023-12-02 19:34:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __carl9170_set_state [2023-12-02 19:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_bss_info_changed [2023-12-02 19:34:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_bss_info_changed [2023-12-02 19:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_physet [2023-12-02 19:34:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_physet [2023-12-02 19:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_load_firmware [2023-12-02 19:34:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_load_firmware [2023-12-02 19:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 19:34:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 19:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_debugfs_read [2023-12-02 19:34:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_debugfs_read [2023-12-02 19:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_anchored_urbs [2023-12-02 19:34:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_anchored_urbs [2023-12-02 19:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-12-02 19:34:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-12-02 19:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_rts_check [2023-12-02 19:34:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_rts_check [2023-12-02 19:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-02 19:34:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-02 19:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_debugfs_open [2023-12-02 19:34:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_debugfs_open [2023-12-02 19:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-12-02 19:34:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-12-02 19:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 19:34:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 19:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_hdr [2023-12-02 19:34:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_hdr [2023-12-02 19:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:34:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 19:34:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 19:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_debugfs_format_frame [2023-12-02 19:34:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_debugfs_format_frame [2023-12-02 19:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_seq_h [2023-12-02 19:34:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seq_h [2023-12-02 19:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 19:34:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 19:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_conf_tx [2023-12-02 19:34:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_conf_tx [2023-12-02 19:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 19:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure sign_extend32 [2023-12-02 19:34:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_extend32 [2023-12-02 19:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_sta_block_awake [2023-12-02 19:34:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_sta_block_awake [2023-12-02 19:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-12-02 19:34:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-12-02 19:34:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-12-02 19:34:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-12-02 19:34:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_echo_test [2023-12-02 19:34:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_echo_test [2023-12-02 19:34:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2023-12-02 19:34:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2023-12-02 19:34:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_config [2023-12-02 19:34:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_config [2023-12-02 19:34:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-12-02 19:34:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-12-02 19:34:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2023-12-02 19:34:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2023-12-02 19:34:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 19:34:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 19:34:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-02 19:34:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-02 19:34:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 19:34:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 19:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_ps_update [2023-12-02 19:34:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_ps_update [2023-12-02 19:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_restart [2023-12-02 19:34:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_restart [2023-12-02 19:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_flush [2023-12-02 19:34:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_flush [2023-12-02 19:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_anchored_urbs [2023-12-02 19:34:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_anchored_urbs [2023-12-02 19:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:34:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-02 19:34:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-02 19:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_queue [2023-12-02 19:34:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_queue [2023-12-02 19:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 19:34:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 19:34:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_upload_key [2023-12-02 19:34:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_upload_key [2023-12-02 19:34:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_init_interface [2023-12-02 19:34:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_init_interface [2023-12-02 19:34:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:34:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_get_stats [2023-12-02 19:34:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_get_stats [2023-12-02 19:34:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2023-12-02 19:34:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2023-12-02 19:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-12-02 19:34:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-12-02 19:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2023-12-02 19:34:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2023-12-02 19:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_submit_rx_urb [2023-12-02 19:34:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_submit_rx_urb [2023-12-02 19:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_vif [2023-12-02 19:34:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_vif [2023-12-02 19:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 19:34:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 19:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 19:34:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 19:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_stopped [2023-12-02 19:34:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_stopped [2023-12-02 19:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_flush_cab [2023-12-02 19:34:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_flush_cab [2023-12-02 19:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-02 19:34:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-02 19:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 19:34:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 19:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_tid_h [2023-12-02 19:34:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tid_h [2023-12-02 19:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-02 19:34:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-02 19:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 19:34:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 19:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_main_vif___0 [2023-12-02 19:34:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_main_vif___0 [2023-12-02 19:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_callback [2023-12-02 19:34:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_callback [2023-12-02 19:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-12-02 19:34:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-12-02 19:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-12-02 19:34:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-12-02 19:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 19:34:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 19:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_prepare_multicast [2023-12-02 19:34:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_prepare_multicast [2023-12-02 19:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_cancel_urbs [2023-12-02 19:34:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_cancel_urbs [2023-12-02 19:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_slot_time [2023-12-02 19:34:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_slot_time [2023-12-02 19:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-12-02 19:34:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-12-02 19:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2023-12-02 19:34:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2023-12-02 19:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_handle_tx_err [2023-12-02 19:34:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_handle_tx_err [2023-12-02 19:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-12-02 19:34:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-12-02 19:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-12-02 19:34:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-12-02 19:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 19:34:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 19:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure is_mem_full [2023-12-02 19:34:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_mem_full [2023-12-02 19:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_status [2023-12-02 19:34:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_status [2023-12-02 19:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure __carl9170_get_tx_sta [2023-12-02 19:34:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __carl9170_get_tx_sta [2023-12-02 19:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-02 19:34:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-02 19:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2023-12-02 19:34:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2023-12-02 19:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_find_free_region [2023-12-02 19:34:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_find_free_region [2023-12-02 19:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_cancel_worker [2023-12-02 19:34:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_cancel_worker [2023-12-02 19:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-12-02 19:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-12-02 19:34:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-12-02 19:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_unregister [2023-12-02 19:34:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_unregister [2023-12-02 19:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 19:34:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 19:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_zap_queues [2023-12-02 19:34:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_zap_queues [2023-12-02 19:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-12-02 19:34:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-12-02 19:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-12-02 19:34:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-12-02 19:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_mod_virtual_mac [2023-12-02 19:34:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_mod_virtual_mac [2023-12-02 19:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_ar9170 [2023-12-02 19:34:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_ar9170 [2023-12-02 19:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-12-02 19:34:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-12-02 19:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_main_vif [2023-12-02 19:34:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_main_vif [2023-12-02 19:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_reset [2023-12-02 19:34:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_reset [2023-12-02 19:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 19:34:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 19:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2023-12-02 19:34:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2023-12-02 19:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_init_device [2023-12-02 19:34:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_init_device [2023-12-02 19:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_remove_interface [2023-12-02 19:34:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_remove_interface [2023-12-02 19:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 19:34:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 19:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_tx [2023-12-02 19:34:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_tx [2023-12-02 19:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_ar9170 [2023-12-02 19:34:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_ar9170 [2023-12-02 19:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_release_region [2023-12-02 19:34:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_release_region [2023-12-02 19:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2023-12-02 19:34:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2023-12-02 19:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_update_beacon [2023-12-02 19:34:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_update_beacon [2023-12-02 19:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_sta_add [2023-12-02 19:34:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_sta_add [2023-12-02 19:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-12-02 19:34:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-12-02 19:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_beacon_timers [2023-12-02 19:34:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_beacon_timers [2023-12-02 19:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-12-02 19:34:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-12-02 19:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure __carl9170_exec_cmd [2023-12-02 19:34:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __carl9170_exec_cmd [2023-12-02 19:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_read_mreg [2023-12-02 19:34:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_read_mreg [2023-12-02 19:34:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 19:34:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 19:34:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 19:34:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 19:34:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 19:34:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 19:34:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2023-12-02 19:34:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2023-12-02 19:34:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 19:34:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 19:34:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_open [2023-12-02 19:34:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_open [2023-12-02 19:34:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_write_reg [2023-12-02 19:34:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_write_reg [2023-12-02 19:34:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_disable_key [2023-12-02 19:34:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_disable_key [2023-12-02 19:34:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-12-02 19:34:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-12-02 19:34:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_find_freq_idx [2023-12-02 19:34:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_find_freq_idx [2023-12-02 19:34:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-12-02 19:34:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-12-02 19:34:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_cmd_buf [2023-12-02 19:34:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_cmd_buf [2023-12-02 19:34:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-12-02 19:34:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-12-02 19:34:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_get_survey [2023-12-02 19:34:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_get_survey [2023-12-02 19:34:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_bcn_ctrl [2023-12-02 19:34:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_bcn_ctrl [2023-12-02 19:34:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-12-02 19:34:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-12-02 19:34:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_ampdu_action [2023-12-02 19:34:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_ampdu_action [2023-12-02 19:34:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_flush [2023-12-02 19:34:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_flush [2023-12-02 19:34:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-12-02 19:34:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-12-02 19:34:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_submit_cmd_urb [2023-12-02 19:34:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_submit_cmd_urb [2023-12-02 19:34:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 19:34:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 19:34:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2023-12-02 19:34:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2023-12-02 19:34:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2023-12-02 19:34:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2023-12-02 19:34:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 19:34:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 19:34:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2023-12-02 19:34:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2023-12-02 19:34:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-12-02 19:34:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-12-02 19:34:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_scnprintf [2023-12-02 19:34:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_scnprintf [2023-12-02 19:34:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-12-02 19:34:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-12-02 19:34:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-12-02 19:34:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-12-02 19:34:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 19:34:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 19:34:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 19:34:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-12-02 19:34:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-12-02 19:34:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_state [2023-12-02 19:34:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_state [2023-12-02 19:34:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_a4 [2023-12-02 19:34:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_a4 [2023-12-02 19:34:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2023-12-02 19:34:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2023-12-02 19:34:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_channel [2023-12-02 19:34:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_channel [2023-12-02 19:34:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_mac_reg [2023-12-02 19:34:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_mac_reg [2023-12-02 19:34:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-12-02 19:34:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-12-02 19:34:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_led_unregister [2023-12-02 19:34:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_led_unregister [2023-12-02 19:34:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_seq [2023-12-02 19:34:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_seq [2023-12-02 19:34:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 19:34:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 19:34:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:34:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:34:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_release_firmware [2023-12-02 19:34:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_release_firmware [2023-12-02 19:34:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_ampdu_gc [2023-12-02 19:34:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_ampdu_gc [2023-12-02 19:34:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-12-02 19:34:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-12-02 19:34:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 19:34:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_submit_data_urb [2023-12-02 19:34:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_submit_data_urb [2023-12-02 19:34:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-12-02 19:34:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-12-02 19:34:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 19:34:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 19:34:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_debugfs_write [2023-12-02 19:34:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_debugfs_write [2023-12-02 19:34:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-12-02 19:34:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-12-02 19:34:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_operating_mode [2023-12-02 19:34:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_operating_mode [2023-12-02 19:34:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump_bytes [2023-12-02 19:34:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump_bytes [2023-12-02 19:34:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-12-02 19:34:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-12-02 19:34:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_resume [2023-12-02 19:34:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_resume [2023-12-02 19:34:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-12-02 19:34:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-12-02 19:34:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-12-02 19:34:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-12-02 19:34:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_get_tsf [2023-12-02 19:34:22,664 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_get_tsf [2023-12-02 19:34:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-02 19:34:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-02 19:34:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_sta_remove [2023-12-02 19:34:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_sta_remove [2023-12-02 19:34:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-12-02 19:34:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-12-02 19:34:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 19:34:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 19:34:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-12-02 19:34:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-12-02 19:34:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-12-02 19:34:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-12-02 19:34:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_op_configure_filter [2023-12-02 19:34:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_op_configure_filter [2023-12-02 19:34:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_get_noisefloor [2023-12-02 19:34:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_get_noisefloor [2023-12-02 19:34:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_set_state_when [2023-12-02 19:34:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_set_state_when [2023-12-02 19:34:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-12-02 19:34:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-12-02 19:34:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-12-02 19:34:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-12-02 19:34:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-12-02 19:34:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-12-02 19:34:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-12-02 19:34:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-12-02 19:34:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __carl9170_get_queue [2023-12-02 19:34:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __carl9170_get_queue [2023-12-02 19:34:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-12-02 19:34:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-12-02 19:34:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_def_val [2023-12-02 19:34:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_def_val [2023-12-02 19:34:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-12-02 19:34:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-12-02 19:34:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-12-02 19:34:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-12-02 19:34:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_tx_put_skb [2023-12-02 19:34:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_tx_put_skb [2023-12-02 19:34:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 19:34:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 19:34:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 19:34:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 19:34:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-12-02 19:34:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-12-02 19:34:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:34:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure carl9170_usb_stop [2023-12-02 19:34:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure carl9170_usb_stop [2023-12-02 19:34:24,408 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:34:24,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:34:24,569 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 19:35:20,992 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:35:30,181 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:35:30,181 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 19:35:30,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:30 BoogieIcfgContainer [2023-12-02 19:35:30,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:35:30,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:35:30,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:35:30,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:35:30,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:34:11" (1/3) ... [2023-12-02 19:35:30,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3ee9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:30, skipping insertion in model container [2023-12-02 19:35:30,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:20" (2/3) ... [2023-12-02 19:35:30,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3ee9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:35:30, skipping insertion in model container [2023-12-02 19:35:30,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:35:30" (3/3) ... [2023-12-02 19:35:30,194 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-8a9f335-1-32_7a-drivers--net--wireless--ath--carl9170--carl9170.ko-entry_point.cil.out.i [2023-12-02 19:35:30,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:35:30,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:35:30,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:35:30,366 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;@1e43bf5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:35:30,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:35:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 5543 states, 3637 states have (on average 1.4250756117679406) internal successors, (5183), 3744 states have internal predecessors, (5183), 1687 states have call successors, (1687), 218 states have call predecessors, (1687), 217 states have return successors, (1640), 1631 states have call predecessors, (1640), 1640 states have call successors, (1640) [2023-12-02 19:35:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 19:35:30,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:35:30,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:35:30,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:35:30,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:35:30,428 INFO L85 PathProgramCache]: Analyzing trace with hash -996491937, now seen corresponding path program 1 times [2023-12-02 19:35:30,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:35:30,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238594594] [2023-12-02 19:35:30,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:35:30,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:37:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:37:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:37:12,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:37:12,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238594594] [2023-12-02 19:37:12,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238594594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:37:12,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:37:12,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:37:12,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277443723] [2023-12-02 19:37:12,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:37:12,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:37:12,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:37:12,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:37:12,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:12,832 INFO L87 Difference]: Start difference. First operand has 5543 states, 3637 states have (on average 1.4250756117679406) internal successors, (5183), 3744 states have internal predecessors, (5183), 1687 states have call successors, (1687), 218 states have call predecessors, (1687), 217 states have return successors, (1640), 1631 states have call predecessors, (1640), 1640 states have call successors, (1640) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 19:37:15,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:17,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:21,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:27,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:29,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:31,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:37:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:37:34,038 INFO L93 Difference]: Finished difference Result 16506 states and 25657 transitions. [2023-12-02 19:37:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:37:34,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2023-12-02 19:37:34,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:37:34,154 INFO L225 Difference]: With dead ends: 16506 [2023-12-02 19:37:34,154 INFO L226 Difference]: Without dead ends: 10854 [2023-12-02 19:37:34,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:37:34,283 INFO L413 NwaCegarLoop]: 7742 mSDtfsCounter, 8316 mSDsluCounter, 7710 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8316 SdHoareTripleChecker+Valid, 15452 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2023-12-02 19:37:34,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8316 Valid, 15452 Invalid, 1567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1557 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2023-12-02 19:37:34,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10854 states. [2023-12-02 19:37:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10854 to 10849. [2023-12-02 19:37:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10849 states, 7194 states have (on average 1.4128440366972477) internal successors, (10164), 7306 states have internal predecessors, (10164), 3224 states have call successors, (3224), 431 states have call predecessors, (3224), 430 states have return successors, (3219), 3201 states have call predecessors, (3219), 3219 states have call successors, (3219) [2023-12-02 19:37:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 16607 transitions. [2023-12-02 19:37:35,249 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 16607 transitions. Word has length 46 [2023-12-02 19:37:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:37:35,250 INFO L495 AbstractCegarLoop]: Abstraction has 10849 states and 16607 transitions. [2023-12-02 19:37:35,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 19:37:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 16607 transitions. [2023-12-02 19:37:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 19:37:35,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:37:35,262 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:37:35,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:37:35,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:37:35,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:37:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1094140381, now seen corresponding path program 1 times [2023-12-02 19:37:35,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:37:35,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746714205] [2023-12-02 19:37:35,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:37:35,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:39:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:39:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 19:39:26,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:39:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746714205] [2023-12-02 19:39:26,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746714205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:39:26,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:39:26,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:39:26,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288634937] [2023-12-02 19:39:26,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:39:26,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:39:26,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:39:26,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:39:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:39:26,614 INFO L87 Difference]: Start difference. First operand 10849 states and 16607 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:39:29,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:33,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:40,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:42,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:39:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:39:45,439 INFO L93 Difference]: Finished difference Result 32483 states and 49722 transitions. [2023-12-02 19:39:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:39:45,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2023-12-02 19:39:45,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:39:45,606 INFO L225 Difference]: With dead ends: 32483 [2023-12-02 19:39:45,606 INFO L226 Difference]: Without dead ends: 21639 [2023-12-02 19:39:45,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:39:45,664 INFO L413 NwaCegarLoop]: 7617 mSDtfsCounter, 8340 mSDsluCounter, 7601 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8340 SdHoareTripleChecker+Valid, 15218 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:39:45,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8340 Valid, 15218 Invalid, 1560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1554 Invalid, 4 Unknown, 0 Unchecked, 18.0s Time] [2023-12-02 19:39:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21639 states. [2023-12-02 19:39:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21639 to 21628. [2023-12-02 19:39:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21628 states, 14343 states have (on average 1.4129540542424877) internal successors, (20266), 14564 states have internal predecessors, (20266), 6424 states have call successors, (6424), 861 states have call predecessors, (6424), 860 states have return successors, (6419), 6382 states have call predecessors, (6419), 6419 states have call successors, (6419) [2023-12-02 19:39:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21628 states to 21628 states and 33109 transitions. [2023-12-02 19:39:46,859 INFO L78 Accepts]: Start accepts. Automaton has 21628 states and 33109 transitions. Word has length 61 [2023-12-02 19:39:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:39:46,860 INFO L495 AbstractCegarLoop]: Abstraction has 21628 states and 33109 transitions. [2023-12-02 19:39:46,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:39:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 21628 states and 33109 transitions. [2023-12-02 19:39:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 19:39:46,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:39:46,867 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:39:46,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:39:46,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:39:46,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:39:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1436227117, now seen corresponding path program 1 times [2023-12-02 19:39:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:39:46,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995890041] [2023-12-02 19:39:46,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:39:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:41:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:41:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 19:41:45,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:41:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995890041] [2023-12-02 19:41:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995890041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:41:45,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:41:45,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:41:45,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431771287] [2023-12-02 19:41:45,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:41:45,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:41:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:41:45,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:41:45,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:41:45,616 INFO L87 Difference]: Start difference. First operand 21628 states and 33109 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:41:48,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:41:52,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:41:59,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:42:01,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:42:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:42:04,412 INFO L93 Difference]: Finished difference Result 64765 states and 99141 transitions. [2023-12-02 19:42:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:42:04,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2023-12-02 19:42:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:42:04,680 INFO L225 Difference]: With dead ends: 64765 [2023-12-02 19:42:04,680 INFO L226 Difference]: Without dead ends: 43142 [2023-12-02 19:42:04,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:42:04,850 INFO L413 NwaCegarLoop]: 7619 mSDtfsCounter, 8336 mSDsluCounter, 7601 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8336 SdHoareTripleChecker+Valid, 15220 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:42:04,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8336 Valid, 15220 Invalid, 1560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1554 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2023-12-02 19:42:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43142 states. [2023-12-02 19:42:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43142 to 43130. [2023-12-02 19:42:07,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43130 states, 28603 states have (on average 1.4129986365066602) internal successors, (40416), 29042 states have internal predecessors, (40416), 12806 states have call successors, (12806), 1721 states have call predecessors, (12806), 1720 states have return successors, (12801), 12726 states have call predecessors, (12801), 12801 states have call successors, (12801) [2023-12-02 19:42:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43130 states to 43130 states and 66023 transitions. [2023-12-02 19:42:07,287 INFO L78 Accepts]: Start accepts. Automaton has 43130 states and 66023 transitions. Word has length 62 [2023-12-02 19:42:07,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:42:07,288 INFO L495 AbstractCegarLoop]: Abstraction has 43130 states and 66023 transitions. [2023-12-02 19:42:07,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:42:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43130 states and 66023 transitions. [2023-12-02 19:42:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 19:42:07,292 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:42:07,292 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:42:07,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:42:07,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:42:07,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:42:07,293 INFO L85 PathProgramCache]: Analyzing trace with hash -757447435, now seen corresponding path program 1 times [2023-12-02 19:42:07,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:42:07,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125398643] [2023-12-02 19:42:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:42:07,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:43:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:43:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 19:43:49,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:43:49,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125398643] [2023-12-02 19:43:49,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125398643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:43:49,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:43:49,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:43:49,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700988444] [2023-12-02 19:43:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:43:49,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:43:49,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:43:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:43:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:43:49,862 INFO L87 Difference]: Start difference. First operand 43130 states and 66023 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:43:52,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:43:56,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:04,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:06,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:44:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:44:09,828 INFO L93 Difference]: Finished difference Result 129161 states and 197709 transitions. [2023-12-02 19:44:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:44:09,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 63 [2023-12-02 19:44:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:44:10,199 INFO L225 Difference]: With dead ends: 129161 [2023-12-02 19:44:10,199 INFO L226 Difference]: Without dead ends: 86036 [2023-12-02 19:44:10,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:44:10,409 INFO L413 NwaCegarLoop]: 7624 mSDtfsCounter, 8332 mSDsluCounter, 7601 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8332 SdHoareTripleChecker+Valid, 15225 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:44:10,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8332 Valid, 15225 Invalid, 1560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1554 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2023-12-02 19:44:10,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86036 states. [2023-12-02 19:44:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86036 to 86022. [2023-12-02 19:44:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86022 states, 57047 states have (on average 1.4130103248198853) internal successors, (80608), 57922 states have internal predecessors, (80608), 25534 states have call successors, (25534), 3441 states have call predecessors, (25534), 3440 states have return successors, (25529), 25378 states have call predecessors, (25529), 25529 states have call successors, (25529) [2023-12-02 19:44:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86022 states to 86022 states and 131671 transitions. [2023-12-02 19:44:14,569 INFO L78 Accepts]: Start accepts. Automaton has 86022 states and 131671 transitions. Word has length 63 [2023-12-02 19:44:14,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:44:14,570 INFO L495 AbstractCegarLoop]: Abstraction has 86022 states and 131671 transitions. [2023-12-02 19:44:14,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:44:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 86022 states and 131671 transitions. [2023-12-02 19:44:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 19:44:14,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:44:14,576 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:44:14,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 19:44:14,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:44:14,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:44:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1503420133, now seen corresponding path program 1 times [2023-12-02 19:44:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:44:14,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528199140] [2023-12-02 19:44:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:45:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 19:45:54,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:45:54,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528199140] [2023-12-02 19:45:54,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528199140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:45:54,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:45:54,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:45:54,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114667396] [2023-12-02 19:45:54,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:45:54,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:45:54,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:45:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:45:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:45:54,110 INFO L87 Difference]: Start difference. First operand 86022 states and 131671 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:45:56,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:46:00,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:46:08,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:46:10,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:46:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:46:15,913 INFO L93 Difference]: Finished difference Result 257617 states and 394305 transitions. [2023-12-02 19:46:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:46:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2023-12-02 19:46:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:46:16,852 INFO L225 Difference]: With dead ends: 257617 [2023-12-02 19:46:16,852 INFO L226 Difference]: Without dead ends: 171600 [2023-12-02 19:46:17,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:46:17,309 INFO L413 NwaCegarLoop]: 7699 mSDtfsCounter, 8328 mSDsluCounter, 7601 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8328 SdHoareTripleChecker+Valid, 15300 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:46:17,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8328 Valid, 15300 Invalid, 1564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1558 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2023-12-02 19:46:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171600 states. [2023-12-02 19:46:26,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171600 to 171582. [2023-12-02 19:46:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171582 states, 113783 states have (on average 1.41300545775731) internal successors, (160776), 115530 states have internal predecessors, (160776), 50918 states have call successors, (50918), 6881 states have call predecessors, (50918), 6880 states have return successors, (50913), 50610 states have call predecessors, (50913), 50913 states have call successors, (50913) [2023-12-02 19:46:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171582 states to 171582 states and 262607 transitions. [2023-12-02 19:46:27,555 INFO L78 Accepts]: Start accepts. Automaton has 171582 states and 262607 transitions. Word has length 64 [2023-12-02 19:46:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:46:27,555 INFO L495 AbstractCegarLoop]: Abstraction has 171582 states and 262607 transitions. [2023-12-02 19:46:27,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:46:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 171582 states and 262607 transitions. [2023-12-02 19:46:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 19:46:27,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:46:27,562 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:46:27,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 19:46:27,562 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:46:27,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:46:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404615, now seen corresponding path program 1 times [2023-12-02 19:46:27,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:46:27,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766003188] [2023-12-02 19:46:27,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:46:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms