./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/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_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/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_6073026a-5060-40da-8126-391b98530c6a/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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:27,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:27,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:36:27,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:27,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:27,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:27,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:27,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:27,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:27,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:27,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:27,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:27,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:27,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:27,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:27,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:27,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:27,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:27,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:27,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:27,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:27,830 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:27,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:27,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:27,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:27,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:27,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:27,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:27,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:27,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:27,836 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_6073026a-5060-40da-8126-391b98530c6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-21 18:36:28,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:28,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:28,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:28,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:28,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:28,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 18:36:31,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:32,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:32,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 18:36:32,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/data/53081db26/584b29132b194a40bec9306bd0c0b012/FLAG70541fc1a [2023-11-21 18:36:32,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/data/53081db26/584b29132b194a40bec9306bd0c0b012 [2023-11-21 18:36:32,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:32,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:32,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:32,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:32,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:32,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:32" (1/1) ... [2023-11-21 18:36:32,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4d4df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:32, skipping insertion in model container [2023-11-21 18:36:32,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:32" (1/1) ... [2023-11-21 18:36:32,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:37,531 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 18:36:37,537 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 18:36:37,538 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 18:36:37,539 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 18:36:37,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:37,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:37,750 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"); [5595] [2023-11-21 18:36:37,753 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)); [5602] [2023-11-21 18:36:37,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-21 18:36:37,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5648-5649] [2023-11-21 18:36:37,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5654-5656] [2023-11-21 18:36:37,757 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)); [5683] [2023-11-21 18:36:37,758 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)); [5690] [2023-11-21 18:36:37,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-21 18:36:37,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-21 18:36:37,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5988-5989] [2023-11-21 18:36:37,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6022-6023] [2023-11-21 18:36:37,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6063-6064] [2023-11-21 18:36:37,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6092-6093] [2023-11-21 18:36:37,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6445-6446] [2023-11-21 18:36:37,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-21 18:36:37,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-21 18:36:37,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-21 18:36:37,924 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-21 18:36:37,926 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-21 18:36:37,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-21 18:36:37,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-21 18:36:37,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-21 18:36:37,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-21 18:36:38,097 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 18:36:38,098 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 18:36:38,098 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 18:36:38,099 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_6073026a-5060-40da-8126-391b98530c6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 18:36:38,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:38,501 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:38,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38 WrapperNode [2023-11-21 18:36:38,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:38,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:38,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:38,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:38,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:38,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,171 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-21 18:36:39,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:39,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:39,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:39,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:39,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:39,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:39,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:39,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:39,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:38" (1/1) ... [2023-11-21 18:36:39,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:39,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:39,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6073026a-5060-40da-8126-391b98530c6a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-21 18:36:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-21 18:36:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 18:36:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 18:36:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 18:36:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 18:36:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:36:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:36:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 18:36:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 18:36:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-21 18:36:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-21 18:36:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-21 18:36:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-21 18:36:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:36:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:36:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 18:36:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 18:36:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-21 18:36:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-21 18:36:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 18:36:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 18:36:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-21 18:36:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-21 18:36:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-21 18:36:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-21 18:36:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 18:36:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 18:36:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 18:36:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 18:36:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 18:36:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 18:36:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-21 18:36:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-21 18:36:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-21 18:36:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-21 18:36:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 18:36:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 18:36:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 18:36:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 18:36:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 18:36:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 18:36:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-21 18:36:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-21 18:36:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-21 18:36:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-21 18:36:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 18:36:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 18:36:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-21 18:36:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-21 18:36:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 18:36:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 18:36:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 18:36:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 18:36:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-21 18:36:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-21 18:36:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 18:36:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 18:36:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:36:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:36:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 18:36:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 18:36:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 18:36:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 18:36:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-21 18:36:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-21 18:36:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-21 18:36:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-21 18:36:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:36:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:36:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 18:36:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 18:36:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-21 18:36:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-21 18:36:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:36:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 18:36:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 18:36:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 18:36:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 18:36:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:36:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 18:36:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 18:36:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-21 18:36:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-21 18:36:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 18:36:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 18:36:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 18:36:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 18:36:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 18:36:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 18:36:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 18:36:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 18:36:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 18:36:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 18:36:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-21 18:36:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-21 18:36:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 18:36:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 18:36:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 18:36:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 18:36:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-21 18:36:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-21 18:36:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 18:36:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 18:36:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-21 18:36:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-21 18:36:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-21 18:36:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-21 18:36:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 18:36:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 18:36:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-21 18:36:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-21 18:36:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:36:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-21 18:36:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-21 18:36:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 18:36:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 18:36:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 18:36:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 18:36:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 18:36:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 18:36:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-21 18:36:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-21 18:36:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-21 18:36:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-21 18:36:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-21 18:36:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-21 18:36:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 18:36:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 18:36:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 18:36:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 18:36:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:36:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-21 18:36:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-21 18:36:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:36:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:36:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-21 18:36:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-21 18:36:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 18:36:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 18:36:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-21 18:36:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-21 18:36:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 18:36:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 18:36:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-21 18:36:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-21 18:36:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 18:36:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 18:36:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 18:36:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 18:36:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 18:36:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 18:36:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 18:36:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 18:36:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-21 18:36:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-21 18:36:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 18:36:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 18:36:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-21 18:36:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-21 18:36:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-21 18:36:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-21 18:36:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-21 18:36:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-21 18:36:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 18:36:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 18:36:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 18:36:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 18:36:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-21 18:36:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-21 18:36:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 18:36:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 18:36:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-21 18:36:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-21 18:36:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:36:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:36:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:36:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:36:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 18:36:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 18:36:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 18:36:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 18:36:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 18:36:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 18:36:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-21 18:36:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-21 18:36:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 18:36:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 18:36:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 18:36:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 18:36:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 18:36:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 18:36:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-21 18:36:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-21 18:36:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 18:36:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 18:36:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-21 18:36:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-21 18:36:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:36:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:36:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-21 18:36:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-21 18:36:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 18:36:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 18:36:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 18:36:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 18:36:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 18:36:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 18:36:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-21 18:36:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-21 18:36:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 18:36:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 18:36:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-21 18:36:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-21 18:36:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 18:36:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 18:36:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:36:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:36:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:36:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:36:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 18:36:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 18:36:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 18:36:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 18:36:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 18:36:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 18:36:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:36:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:36:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 18:36:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 18:36:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 18:36:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 18:36:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-21 18:36:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-21 18:36:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 18:36:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 18:36:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 18:36:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 18:36:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-21 18:36:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-21 18:36:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-21 18:36:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-21 18:36:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:36:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:36:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-21 18:36:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-21 18:36:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-21 18:36:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-21 18:36:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-21 18:36:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-21 18:36:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 18:36:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 18:36:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-21 18:36:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-21 18:36:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-21 18:36:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-21 18:36:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:36:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:36:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-21 18:36:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-21 18:36:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:36:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:36:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-21 18:36:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-21 18:36:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-21 18:36:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-21 18:36:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 18:36:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 18:36:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-21 18:36:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-21 18:36:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 18:36:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 18:36:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-21 18:36:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-21 18:36:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-21 18:36:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-21 18:36:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 18:36:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 18:36:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 18:36:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 18:36:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-21 18:36:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-21 18:36:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-21 18:36:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-21 18:36:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 18:36:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 18:36:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-21 18:36:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-21 18:36:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-21 18:36:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 18:36:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 18:36:41,199 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:41,206 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:41,534 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:36:48,240 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 18:36:48,505 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:54,719 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:54,719 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:54,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:54 BoogieIcfgContainer [2023-11-21 18:36:54,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:54,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:54,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:54,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:54,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:54" (1/1) ... [2023-11-21 18:36:54,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2196 states and 3162 transitions. [2023-11-21 18:36:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 3162 transitions. [2023-11-21 18:36:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 18:36:54,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:36:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 2201 states and 3173 transitions. [2023-11-21 18:36:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 3173 transitions. [2023-11-21 18:36:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 18:36:56,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:36:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2210 states and 3192 transitions. [2023-11-21 18:36:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3192 transitions. [2023-11-21 18:36:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 18:36:57,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:36:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2217 states and 3209 transitions. [2023-11-21 18:36:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 3209 transitions. [2023-11-21 18:36:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:36:58,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:36:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2218 states and 3209 transitions. [2023-11-21 18:36:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 3209 transitions. [2023-11-21 18:36:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:36:58,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:36:59,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2224 states and 3227 transitions. [2023-11-21 18:36:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3227 transitions. [2023-11-21 18:36:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-21 18:36:59,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-21 18:36:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 2229 states and 3238 transitions. [2023-11-21 18:36:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 3238 transitions. [2023-11-21 18:36:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:36:59,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-21 18:37:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2234 states and 3250 transitions. [2023-11-21 18:37:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3250 transitions. [2023-11-21 18:37:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-21 18:37:00,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-21 18:37:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 2240 states and 3276 transitions. [2023-11-21 18:37:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 3276 transitions. [2023-11-21 18:37:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-21 18:37:00,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 2244 states and 3279 transitions. [2023-11-21 18:37:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3279 transitions. [2023-11-21 18:37:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 18:37:01,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-21 18:37:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 2248 states and 3286 transitions. [2023-11-21 18:37:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 3286 transitions. [2023-11-21 18:37:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:37:01,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2255 states and 3303 transitions. [2023-11-21 18:37:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3303 transitions. [2023-11-21 18:37:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-21 18:37:02,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 2257 states and 3305 transitions. [2023-11-21 18:37:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3305 transitions. [2023-11-21 18:37:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-21 18:37:02,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-21 18:37:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 2260 states and 3310 transitions. [2023-11-21 18:37:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3310 transitions. [2023-11-21 18:37:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-21 18:37:03,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2261 states and 3311 transitions. [2023-11-21 18:37:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 3311 transitions. [2023-11-21 18:37:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:37:03,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-21 18:37:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2266 states and 3321 transitions. [2023-11-21 18:37:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3321 transitions. [2023-11-21 18:37:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:37:04,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:04,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-21 18:37:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2270 states and 3329 transitions. [2023-11-21 18:37:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3329 transitions. [2023-11-21 18:37:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:37:04,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:04,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-21 18:37:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 2274 states and 3340 transitions. [2023-11-21 18:37:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3340 transitions. [2023-11-21 18:37:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 18:37:05,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-11-21 18:37:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 2280 states and 3360 transitions. [2023-11-21 18:37:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3360 transitions. [2023-11-21 18:37:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:37:06,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 2288 states and 3380 transitions. [2023-11-21 18:37:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3380 transitions. [2023-11-21 18:37:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:37:06,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-21 18:37:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2292 states and 3387 transitions. [2023-11-21 18:37:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3387 transitions. [2023-11-21 18:37:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-21 18:37:07,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-21 18:37:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 2298 states and 3407 transitions. [2023-11-21 18:37:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 3407 transitions. [2023-11-21 18:37:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:37:08,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-21 18:37:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 2302 states and 3411 transitions. [2023-11-21 18:37:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3411 transitions. [2023-11-21 18:37:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 18:37:08,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-11-21 18:37:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 2306 states and 3418 transitions. [2023-11-21 18:37:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3418 transitions. [2023-11-21 18:37:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-21 18:37:08,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:08,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2023-11-21 18:37:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 2312 states and 3434 transitions. [2023-11-21 18:37:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3434 transitions. [2023-11-21 18:37:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:37:09,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:09,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-21 18:37:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 2319 states and 3459 transitions. [2023-11-21 18:37:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 3459 transitions. [2023-11-21 18:37:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:37:10,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked.