./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:38:18,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:38:18,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:38:18,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:38:18,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:38:18,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:38:18,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:38:18,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:38:18,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:38:18,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:38:18,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:38:18,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:38:18,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:38:18,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:38:18,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:38:18,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:38:18,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:38:18,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:38:18,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:38:18,639 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:38:18,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:38:18,640 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:38:18,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:38:18,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:18,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:38:18,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:38:18,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:38:18,644 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:38:18,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:38:18,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:38:18,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2023-11-21 18:38:18,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:38:19,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:38:19,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:38:19,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:38:19,010 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:38:19,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2023-11-21 18:38:22,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:22,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:22,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2023-11-21 18:38:23,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/data/a297c78ff/66db1209560f4280b2bb24dc894458dc/FLAGa489b789e [2023-11-21 18:38:23,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/data/a297c78ff/66db1209560f4280b2bb24dc894458dc [2023-11-21 18:38:23,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:23,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:23,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:23,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:23,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:23,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:23" (1/1) ... [2023-11-21 18:38:23,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43660530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:23, skipping insertion in model container [2023-11-21 18:38:23,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:23" (1/1) ... [2023-11-21 18:38:23,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:26,638 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_f74e532c-835d-4a9e-aa76-52735999a229/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2023-11-21 18:38:26,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:26,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:26,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6485] [2023-11-21 18:38:26,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6493-6494] [2023-11-21 18:38:27,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6528] [2023-11-21 18:38:27,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6531] [2023-11-21 18:38:27,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6534] [2023-11-21 18:38:27,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6537] [2023-11-21 18:38:27,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6580] [2023-11-21 18:38:27,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6833] [2023-11-21 18:38:27,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (543), "i" (12UL)); [6884-6885] [2023-11-21 18:38:27,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1696), "i" (12UL)); [7111-7112] [2023-11-21 18:38:27,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7569] [2023-11-21 18:38:27,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (281), "i" (12UL)); [7710-7711] [2023-11-21 18:38:27,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (292), "i" (12UL)); [7723-7724] [2023-11-21 18:38:27,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (293), "i" (12UL)); [7731-7732] [2023-11-21 18:38:27,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (333), "i" (12UL)); [7778-7779] [2023-11-21 18:38:27,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (525), "i" (12UL)); [8078-8079] [2023-11-21 18:38:27,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (530), "i" (12UL)); [8090-8091] [2023-11-21 18:38:27,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8149] [2023-11-21 18:38:27,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8151] [2023-11-21 18:38:27,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8186] [2023-11-21 18:38:27,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (827), "i" (12UL)); [8472-8473] [2023-11-21 18:38:27,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (879), "i" (12UL)); [8552-8553] [2023-11-21 18:38:27,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (892), "i" (12UL)); [8571-8572] [2023-11-21 18:38:27,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8992] [2023-11-21 18:38:27,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1359), "i" (12UL)); [9180-9181] [2023-11-21 18:38:27,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1374), "i" (12UL)); [9210-9211] [2023-11-21 18:38:27,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1530), "i" (12UL)); [9424-9425] [2023-11-21 18:38:27,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9432] [2023-11-21 18:38:27,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9469] [2023-11-21 18:38:27,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1569), "i" (12UL)); [9475-9476] [2023-11-21 18:38:27,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1606), "i" (12UL)); [9523-9524] [2023-11-21 18:38:27,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1636), "i" (12UL)); [9572-9573] [2023-11-21 18:38:27,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9633] [2023-11-21 18:38:27,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9635] [2023-11-21 18:38:27,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/netback.c"), "i" (1740), "i" (12UL)); [9681-9682] [2023-11-21 18:38:27,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (506), "i" (12UL)); [10924-10925] [2023-11-21 18:38:27,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (520), "i" (12UL)); [10942-10943] [2023-11-21 18:38:27,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (532), "i" (12UL)); [10958-10959] [2023-11-21 18:38:27,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (543), "i" (12UL)); [10973-10974] [2023-11-21 18:38:27,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c"), "i" (547), "i" (12UL)); [10981-10982] [2023-11-21 18:38:27,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [11798] [2023-11-21 18:38:27,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [11806-11807] [2023-11-21 18:38:27,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [11825] [2023-11-21 18:38:27,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [11833-11834] [2023-11-21 18:38:27,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); [11889-11890] [2023-11-21 18:38:27,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [11895] [2023-11-21 18:38:27,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (147), "i" (12UL)); [12122-12123] [2023-11-21 18:38:27,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (523), "i" (12UL)); [12641-12642] [2023-11-21 18:38:27,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (524), "i" (12UL)); [12650-12651] [2023-11-21 18:38:27,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/interface.c"), "i" (525), "i" (12UL)); [12659-12660] [2023-11-21 18:38:27,736 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_f74e532c-835d-4a9e-aa76-52735999a229/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2023-11-21 18:38:27,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:27,943 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:27,943 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:27,943 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:27,951 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:27,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27 WrapperNode [2023-11-21 18:38:27,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:27,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:27,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:27,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:27,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,311 INFO L138 Inliner]: procedures = 426, calls = 3561, calls flagged for inlining = 208, calls inlined = 117, statements flattened = 4726 [2023-11-21 18:38:28,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:28,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:28,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:28,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:28,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:28,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:28,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:28,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:28,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:27" (1/1) ... [2023-11-21 18:38:28,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:28,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:28,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:28,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f74e532c-835d-4a9e-aa76-52735999a229/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 18:38:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-11-21 18:38:28,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-11-21 18:38:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2023-11-21 18:38:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2023-11-21 18:38:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-11-21 18:38:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-11-21 18:38:28,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:38:28,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:38:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2023-11-21 18:38:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2023-11-21 18:38:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 18:38:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 18:38:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2023-11-21 18:38:28,745 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2023-11-21 18:38:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:38:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:38:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2023-11-21 18:38:28,746 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2023-11-21 18:38:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-21 18:38:28,747 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-21 18:38:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2023-11-21 18:38:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2023-11-21 18:38:28,749 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 18:38:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 18:38:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2023-11-21 18:38:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2023-11-21 18:38:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 18:38:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 18:38:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2023-11-21 18:38:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2023-11-21 18:38:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 18:38:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 18:38:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2023-11-21 18:38:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2023-11-21 18:38:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-21 18:38:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-21 18:38:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-21 18:38:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-21 18:38:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 18:38:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 18:38:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:38:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:38:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2023-11-21 18:38:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2023-11-21 18:38:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 18:38:28,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 18:38:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2023-11-21 18:38:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2023-11-21 18:38:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-21 18:38:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-21 18:38:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 18:38:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 18:38:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:38:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:38:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:38:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-21 18:38:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-21 18:38:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 18:38:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 18:38:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 18:38:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 18:38:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:38:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2023-11-21 18:38:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2023-11-21 18:38:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:38:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 18:38:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 18:38:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2023-11-21 18:38:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2023-11-21 18:38:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-21 18:38:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2023-11-21 18:38:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2023-11-21 18:38:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2023-11-21 18:38:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2023-11-21 18:38:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2023-11-21 18:38:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 18:38:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 18:38:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 18:38:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 18:38:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2023-11-21 18:38:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2023-11-21 18:38:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:38:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2023-11-21 18:38:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2023-11-21 18:38:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:38:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2023-11-21 18:38:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2023-11-21 18:38:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-21 18:38:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-21 18:38:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2023-11-21 18:38:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2023-11-21 18:38:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2023-11-21 18:38:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2023-11-21 18:38:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2023-11-21 18:38:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2023-11-21 18:38:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-21 18:38:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-21 18:38:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 18:38:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 18:38:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-21 18:38:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-21 18:38:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 18:38:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 18:38:28,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:38:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:38:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2023-11-21 18:38:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2023-11-21 18:38:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:38:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:38:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-21 18:38:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-21 18:38:28,777 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2023-11-21 18:38:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2023-11-21 18:38:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 18:38:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 18:38:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2023-11-21 18:38:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2023-11-21 18:38:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-21 18:38:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-21 18:38:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-21 18:38:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-21 18:38:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-21 18:38:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-21 18:38:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 18:38:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 18:38:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2023-11-21 18:38:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2023-11-21 18:38:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-21 18:38:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-21 18:38:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 18:38:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 18:38:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:38:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:38:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:38:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:38:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-11-21 18:38:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-11-21 18:38:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 18:38:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 18:38:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2023-11-21 18:38:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2023-11-21 18:38:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2023-11-21 18:38:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2023-11-21 18:38:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 18:38:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 18:38:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-21 18:38:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-21 18:38:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 18:38:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 18:38:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2023-11-21 18:38:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2023-11-21 18:38:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:38:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2023-11-21 18:38:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2023-11-21 18:38:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-21 18:38:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-21 18:38:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2023-11-21 18:38:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2023-11-21 18:38:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-21 18:38:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-21 18:38:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:38:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:38:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:38:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 18:38:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 18:38:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 18:38:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 18:38:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 18:38:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 18:38:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:38:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:38:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-21 18:38:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-21 18:38:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:38:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:38:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2023-11-21 18:38:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2023-11-21 18:38:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 18:38:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 18:38:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:38:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:38:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:38:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 18:38:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 18:38:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:38:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:38:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_gather [2023-11-21 18:38:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_gather [2023-11-21 18:38:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-21 18:38:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-21 18:38:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2023-11-21 18:38:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2023-11-21 18:38:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 18:38:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 18:38:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 18:38:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 18:38:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 18:38:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 18:38:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 18:38:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 18:38:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 18:38:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 18:38:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 18:38:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 18:38:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2023-11-21 18:38:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2023-11-21 18:38:29,567 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:29,572 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:29,911 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:38:39,520 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:41,123 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:41,123 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 18:38:41,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:41 BoogieIcfgContainer [2023-11-21 18:38:41,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:41,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:41,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:41,137 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:41,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:41" (1/1) ... [2023-11-21 18:38:41,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1166 states and 1639 transitions. [2023-11-21 18:38:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1639 transitions. [2023-11-21 18:38:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:38:41,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1179 states and 1674 transitions. [2023-11-21 18:38:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1674 transitions. [2023-11-21 18:38:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:38:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:42,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1186 states and 1698 transitions. [2023-11-21 18:38:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1698 transitions. [2023-11-21 18:38:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:38:43,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:43,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:38:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:43,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1187 states and 1699 transitions. [2023-11-21 18:38:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1699 transitions. [2023-11-21 18:38:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:38:43,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:43,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1190 states and 1704 transitions. [2023-11-21 18:38:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1704 transitions. [2023-11-21 18:38:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:38:43,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:38:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:44,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1191 states and 1705 transitions. [2023-11-21 18:38:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1705 transitions. [2023-11-21 18:38:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:38:44,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:44,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1193 states and 1708 transitions. [2023-11-21 18:38:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1708 transitions. [2023-11-21 18:38:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:38:44,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:44,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1195 states and 1710 transitions. [2023-11-21 18:38:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1710 transitions. [2023-11-21 18:38:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:38:45,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:45,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1197 states and 1713 transitions. [2023-11-21 18:38:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1713 transitions. [2023-11-21 18:38:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:38:45,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:38:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1198 states and 1713 transitions. [2023-11-21 18:38:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1713 transitions. [2023-11-21 18:38:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:38:45,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1200 states and 1716 transitions. [2023-11-21 18:38:46,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1716 transitions. [2023-11-21 18:38:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:38:46,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:46,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1202 states and 1719 transitions. [2023-11-21 18:38:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1719 transitions. [2023-11-21 18:38:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:38:46,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:46,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1204 states and 1722 transitions. [2023-11-21 18:38:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1722 transitions. [2023-11-21 18:38:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:38:47,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1203 states and 1718 transitions. [2023-11-21 18:38:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1718 transitions. [2023-11-21 18:38:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:38:47,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1202 states and 1714 transitions. [2023-11-21 18:38:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1714 transitions. [2023-11-21 18:38:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:48,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:48,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:38:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1204 states and 1717 transitions. [2023-11-21 18:38:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1717 transitions. [2023-11-21 18:38:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:48,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:48,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1206 states and 1719 transitions. [2023-11-21 18:38:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1719 transitions. [2023-11-21 18:38:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:38:48,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:48,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1207 states and 1720 transitions. [2023-11-21 18:38:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1720 transitions. [2023-11-21 18:38:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:38:49,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1209 states and 1721 transitions. [2023-11-21 18:38:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1721 transitions. [2023-11-21 18:38:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:38:49,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:38:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1211 states and 1724 transitions. [2023-11-21 18:38:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1724 transitions. [2023-11-21 18:38:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:38:50,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:38:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1214 states and 1737 transitions. [2023-11-21 18:38:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1737 transitions. [2023-11-21 18:38:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:38:51,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:38:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1216 states and 1738 transitions. [2023-11-21 18:38:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1738 transitions. [2023-11-21 18:38:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:38:52,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:38:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1217 states and 1739 transitions. [2023-11-21 18:38:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1739 transitions. [2023-11-21 18:38:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:38:52,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:38:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1220 states and 1744 transitions. [2023-11-21 18:38:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1744 transitions. [2023-11-21 18:38:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:38:52,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:52,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:38:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1222 states and 1747 transitions. [2023-11-21 18:38:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1747 transitions. [2023-11-21 18:38:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:38:52,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:52,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:38:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1225 states and 1750 transitions. [2023-11-21 18:38:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1750 transitions. [2023-11-21 18:38:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:38:53,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:53,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:53,628 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:38:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1227 states and 1753 transitions. [2023-11-21 18:38:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1753 transitions. [2023-11-21 18:38:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:38:53,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:38:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1234 states and 1773 transitions. [2023-11-21 18:38:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1773 transitions. [2023-11-21 18:38:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:38:54,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-21 18:38:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1235 states and 1773 transitions. [2023-11-21 18:38:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1773 transitions. [2023-11-21 18:38:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:38:54,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:38:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1241 states and 1792 transitions. [2023-11-21 18:38:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1792 transitions. [2023-11-21 18:38:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:38:56,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:56,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:38:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1242 states and 1792 transitions. [2023-11-21 18:38:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1792 transitions. [2023-11-21 18:38:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:38:56,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:56,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-21 18:38:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1243 states and 1792 transitions. [2023-11-21 18:38:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1792 transitions. [2023-11-21 18:38:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:38:56,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:38:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1246 states and 1795 transitions. [2023-11-21 18:38:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1795 transitions. [2023-11-21 18:38:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:38:57,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:38:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1248 states and 1798 transitions. [2023-11-21 18:38:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1798 transitions. [2023-11-21 18:38:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:38:57,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:57,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:38:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1249 states and 1797 transitions. [2023-11-21 18:38:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1797 transitions. [2023-11-21 18:38:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:38:58,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:38:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1251 states and 1799 transitions. [2023-11-21 18:38:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1799 transitions. [2023-11-21 18:38:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:38:58,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-21 18:38:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1254 states and 1802 transitions. [2023-11-21 18:38:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1802 transitions. [2023-11-21 18:38:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:38:58,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:58,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:38:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1256 states and 1805 transitions. [2023-11-21 18:38:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1805 transitions. [2023-11-21 18:38:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-21 18:38:59,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:39:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1264 states and 1827 transitions. [2023-11-21 18:39:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1827 transitions. [2023-11-21 18:39:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:39:00,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:39:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1283 states and 1854 transitions. [2023-11-21 18:39:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1854 transitions. [2023-11-21 18:39:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-21 18:39:00,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:00,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:39:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1284 states and 1855 transitions. [2023-11-21 18:39:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1855 transitions. [2023-11-21 18:39:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 18:39:01,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-21 18:39:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1292 states and 1877 transitions. [2023-11-21 18:39:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1877 transitions. [2023-11-21 18:39:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:39:02,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-21 18:39:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1293 states and 1877 transitions. [2023-11-21 18:39:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1877 transitions. [2023-11-21 18:39:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:39:02,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:02,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:39:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1297 states and 1882 transitions. [2023-11-21 18:39:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1882 transitions. [2023-11-21 18:39:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-21 18:39:03,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.