./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-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL --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 c92cf9b42919bd0ad39ed67eff3f7cfedcded9ddd3bd80f0a39950ee91c5e90b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:38,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:38,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:53:38,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:38,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:38,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:38,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:38,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:39,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:39,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:39,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:39,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:39,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:39,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:39,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:39,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:39,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:39,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:39,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:39,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:39,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:39,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:39,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:39,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:39,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:39,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:39,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:39,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:39,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:39,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:39,022 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_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92cf9b42919bd0ad39ed67eff3f7cfedcded9ddd3bd80f0a39950ee91c5e90b [2023-11-19 02:53:39,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:39,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:39,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:39,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:39,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:39,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2023-11-19 02:53:42,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:43,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:43,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2023-11-19 02:53:43,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/data/766cf0e94/52863aa60c5c48a29e95866bbb9a7fd4/FLAG6971b0748 [2023-11-19 02:53:43,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/data/766cf0e94/52863aa60c5c48a29e95866bbb9a7fd4 [2023-11-19 02:53:43,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:43,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:43,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:43,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:43,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:43,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a5ef9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:43, skipping insertion in model container [2023-11-19 02:53:43,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:44,652 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-19 02:53:44,653 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-19 02:53:46,687 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_5d3120b2-3aef-4a85-b26f-a385c32af57a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319906,319919] [2023-11-19 02:53:46,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:46,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:47,116 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"); [6278] [2023-11-19 02:53:47,119 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)); [6285] [2023-11-19 02:53:47,119 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"); [6293-6294] [2023-11-19 02:53:47,125 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-19 02:53:47,126 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-19 02:53:47,130 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)); [6519] [2023-11-19 02:53:47,140 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)); [6705-6706] [2023-11-19 02:53:47,165 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)); [7074-7075] [2023-11-19 02:53:47,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7080] [2023-11-19 02:53:47,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (303), "i" (12UL)); [7567-7568] [2023-11-19 02:53:47,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (307), "i" (12UL)); [7578-7579] [2023-11-19 02:53:47,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7607] [2023-11-19 02:53:47,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7610] [2023-11-19 02:53:47,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7612] [2023-11-19 02:53:47,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (369), "i" (12UL)); [7683-7684] [2023-11-19 02:53:47,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7691] [2023-11-19 02:53:47,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (388), "i" (12UL)); [7707-7708] [2023-11-19 02:53:47,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7729] [2023-11-19 02:53:47,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (431), "i" (12UL)); [7765-7766] [2023-11-19 02:53:47,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->tx_stats)); [7916] [2023-11-19 02:53:47,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8051] [2023-11-19 02:53:47,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8053] [2023-11-19 02:53:47,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (659), "i" (12UL)); [8116-8117] [2023-11-19 02:53:47,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (756), "i" (12UL)); [8256-8257] [2023-11-19 02:53:47,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (836), "i" (12UL)); [8373-8374] [2023-11-19 02:53:47,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/12156/dscv_tempdir/dscv/ri/43_2a/drivers/net/xen-netfront.c"), "i" (839), "i" (12UL)); [8385-8386] [2023-11-19 02:53:47,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" ((queue->info)->rx_stats)); [8448] [2023-11-19 02:53:47,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8520] [2023-11-19 02:53:47,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8602] [2023-11-19 02:53:47,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->rx_stats)); [8656] [2023-11-19 02:53:47,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (np->tx_stats)); [8659] [2023-11-19 02:53:47,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (pcpu_stats)); [8981] [2023-11-19 02:53:47,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (pcpu_stats___0)); [9005] [2023-11-19 02:53:47,628 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_5d3120b2-3aef-4a85-b26f-a385c32af57a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319906,319919] [2023-11-19 02:53:47,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:47,859 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:47,860 WARN L675 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:47,868 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:47,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47 WrapperNode [2023-11-19 02:53:47,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:47,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:47,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:47,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:47,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:47,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,149 INFO L138 Inliner]: procedures = 337, calls = 1940, calls flagged for inlining = 167, calls inlined = 140, statements flattened = 4841 [2023-11-19 02:53:48,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:48,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:48,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:48,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:48,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:48,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:48,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:48,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:48,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:47" (1/1) ... [2023-11-19 02:53:48,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:48,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:48,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:48,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d3120b2-3aef-4a85-b26f-a385c32af57a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:53:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-19 02:53:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-19 02:53:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:53:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 02:53:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 02:53:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 02:53:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 02:53:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-19 02:53:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-19 02:53:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2023-11-19 02:53:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2023-11-19 02:53:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 02:53:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 02:53:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-19 02:53:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-19 02:53:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 02:53:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 02:53:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 02:53:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 02:53:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:53:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:53:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 02:53:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 02:53:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-19 02:53:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-19 02:53:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2023-11-19 02:53:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2023-11-19 02:53:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-19 02:53:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-19 02:53:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-19 02:53:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-19 02:53:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2023-11-19 02:53:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2023-11-19 02:53:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2023-11-19 02:53:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2023-11-19 02:53:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 02:53:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 02:53:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2023-11-19 02:53:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2023-11-19 02:53:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2023-11-19 02:53:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2023-11-19 02:53:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 02:53:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 02:53:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 02:53:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 02:53:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-19 02:53:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-19 02:53:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-19 02:53:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-19 02:53:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 02:53:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 02:53:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-19 02:53:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-19 02:53:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:53:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:53:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:53:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:53:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2023-11-19 02:53:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2023-11-19 02:53:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-19 02:53:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-19 02:53:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-19 02:53:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-19 02:53:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2023-11-19 02:53:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2023-11-19 02:53:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 02:53:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 02:53:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-19 02:53:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-19 02:53:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 02:53:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 02:53:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-19 02:53:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-19 02:53:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 02:53:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 02:53:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-19 02:53:48,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-19 02:53:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 02:53:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-19 02:53:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-19 02:53:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-19 02:53:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-19 02:53:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-19 02:53:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-19 02:53:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 02:53:48,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 02:53:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 02:53:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 02:53:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2023-11-19 02:53:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2023-11-19 02:53:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:53:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 02:53:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 02:53:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 02:53:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 02:53:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 02:53:48,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 02:53:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-19 02:53:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-19 02:53:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 02:53:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 02:53:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 02:53:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 02:53:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2023-11-19 02:53:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2023-11-19 02:53:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 02:53:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 02:53:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:53:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2023-11-19 02:53:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2023-11-19 02:53:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:53:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:53:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-19 02:53:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-19 02:53:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 02:53:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 02:53:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-19 02:53:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-19 02:53:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-19 02:53:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-19 02:53:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-19 02:53:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-19 02:53:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 02:53:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 02:53:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 02:53:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 02:53:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2023-11-19 02:53:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2023-11-19 02:53:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 02:53:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 02:53:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-19 02:53:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-19 02:53:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-19 02:53:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-19 02:53:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:53:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2023-11-19 02:53:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2023-11-19 02:53:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 02:53:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 02:53:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-19 02:53:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-19 02:53:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-19 02:53:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-19 02:53:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 02:53:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 02:53:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 02:53:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 02:53:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:53:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-19 02:53:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-19 02:53:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 02:53:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-19 02:53:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-19 02:53:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2023-11-19 02:53:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2023-11-19 02:53:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2023-11-19 02:53:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2023-11-19 02:53:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2023-11-19 02:53:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2023-11-19 02:53:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-19 02:53:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-19 02:53:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 02:53:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 02:53:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2023-11-19 02:53:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2023-11-19 02:53:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-19 02:53:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-19 02:53:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 02:53:48,733 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 02:53:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 02:53:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 02:53:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 02:53:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 02:53:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2023-11-19 02:53:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2023-11-19 02:53:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 02:53:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 02:53:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-19 02:53:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-19 02:53:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 02:53:48,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 02:53:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 02:53:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 02:53:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 02:53:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 02:53:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 02:53:48,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 02:53:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 02:53:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 02:53:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2023-11-19 02:53:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2023-11-19 02:53:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:53:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 02:53:48,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 02:53:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2023-11-19 02:53:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2023-11-19 02:53:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 02:53:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 02:53:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-19 02:53:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-19 02:53:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 02:53:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 02:53:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:53:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 02:53:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 02:53:48,739 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 02:53:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 02:53:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2023-11-19 02:53:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2023-11-19 02:53:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-19 02:53:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-19 02:53:48,740 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 02:53:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 02:53:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-19 02:53:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-19 02:53:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 02:53:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 02:53:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2023-11-19 02:53:48,741 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2023-11-19 02:53:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 02:53:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 02:53:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2023-11-19 02:53:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2023-11-19 02:53:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 02:53:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 02:53:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-19 02:53:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-19 02:53:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-19 02:53:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-19 02:53:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-19 02:53:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-19 02:53:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 02:53:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 02:53:48,744 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 02:53:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 02:53:49,577 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:49,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:50,855 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 02:53:56,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:57,538 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:57,538 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:53:57,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:57 BoogieIcfgContainer [2023-11-19 02:53:57,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:57,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:57,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:57,580 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:57,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:57" (1/1) ... [2023-11-19 02:53:57,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1318 states and 1864 transitions. [2023-11-19 02:53:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1864 transitions. [2023-11-19 02:53:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-11-19 02:53:57,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-19 02:54:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1323 states and 1936 transitions. [2023-11-19 02:54:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1936 transitions. [2023-11-19 02:54:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-19 02:54:00,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-19 02:54:01,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1328 states and 1998 transitions. [2023-11-19 02:54:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1998 transitions. [2023-11-19 02:54:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-19 02:54:01,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-19 02:54:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1329 states and 2001 transitions. [2023-11-19 02:54:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2001 transitions. [2023-11-19 02:54:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-19 02:54:02,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-19 02:54:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1330 states and 2002 transitions. [2023-11-19 02:54:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2002 transitions. [2023-11-19 02:54:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-19 02:54:03,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2023-11-19 02:54:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1331 states and 2005 transitions. [2023-11-19 02:54:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2005 transitions. [2023-11-19 02:54:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-11-19 02:54:04,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2023-11-19 02:54:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1332 states and 2006 transitions. [2023-11-19 02:54:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 2006 transitions. [2023-11-19 02:54:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-19 02:54:04,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-19 02:54:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1335 states and 2061 transitions. [2023-11-19 02:54:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2061 transitions. [2023-11-19 02:54:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-19 02:54:06,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2023-11-19 02:54:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1336 states and 2061 transitions. [2023-11-19 02:54:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 2061 transitions. [2023-11-19 02:54:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-19 02:54:06,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1338 states and 2063 transitions. [2023-11-19 02:54:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 2063 transitions. [2023-11-19 02:54:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-11-19 02:54:07,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-19 02:54:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1342 states and 2120 transitions. [2023-11-19 02:54:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2120 transitions. [2023-11-19 02:54:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-19 02:54:08,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-19 02:54:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1349 states and 2187 transitions. [2023-11-19 02:54:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2187 transitions. [2023-11-19 02:54:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-11-19 02:54:10,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:10,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-19 02:54:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1352 states and 2193 transitions. [2023-11-19 02:54:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2193 transitions. [2023-11-19 02:54:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-19 02:54:11,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:11,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1355 states and 2199 transitions. [2023-11-19 02:54:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2199 transitions. [2023-11-19 02:54:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-19 02:54:11,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:11,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-19 02:54:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1357 states and 2202 transitions. [2023-11-19 02:54:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2202 transitions. [2023-11-19 02:54:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-11-19 02:54:12,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-19 02:54:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1366 states and 2272 transitions. [2023-11-19 02:54:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 2272 transitions. [2023-11-19 02:54:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-19 02:54:13,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:13,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-19 02:54:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 1368 states and 2277 transitions. [2023-11-19 02:54:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 2277 transitions. [2023-11-19 02:54:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-19 02:54:14,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:14,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-19 02:54:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 1369 states and 2277 transitions. [2023-11-19 02:54:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2277 transitions. [2023-11-19 02:54:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-19 02:54:15,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-19 02:54:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1371 states and 2281 transitions. [2023-11-19 02:54:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2281 transitions. [2023-11-19 02:54:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-11-19 02:54:15,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-19 02:54:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1375 states and 2295 transitions. [2023-11-19 02:54:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2295 transitions. [2023-11-19 02:54:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-19 02:54:16,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:16,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1379 states and 2309 transitions. [2023-11-19 02:54:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2309 transitions. [2023-11-19 02:54:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-19 02:54:16,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:16,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1382 states and 2317 transitions. [2023-11-19 02:54:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2317 transitions. [2023-11-19 02:54:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-11-19 02:54:17,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:17,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-19 02:54:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1385 states and 2323 transitions. [2023-11-19 02:54:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2323 transitions. [2023-11-19 02:54:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-19 02:54:18,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-19 02:54:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1393 states and 2386 transitions. [2023-11-19 02:54:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2386 transitions. [2023-11-19 02:54:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-19 02:54:19,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:19,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-19 02:54:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1394 states and 2386 transitions. [2023-11-19 02:54:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2386 transitions. [2023-11-19 02:54:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-19 02:54:20,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-19 02:54:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1396 states and 2389 transitions. [2023-11-19 02:54:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2389 transitions. [2023-11-19 02:54:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-19 02:54:21,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1398 states and 2392 transitions. [2023-11-19 02:54:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2392 transitions. [2023-11-19 02:54:21,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-19 02:54:21,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-19 02:54:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available