./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/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_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-12 00:01:41,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:41,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-12 00:01:41,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:41,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:42,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:42,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:42,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:42,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:42,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:42,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:42,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:42,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:42,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:42,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:42,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:42,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:42,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:42,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:42,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:42,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:42,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:42,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:42,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:42,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:42,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:42,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:42,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:42,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:42,019 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_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92cf9b42919bd0ad39ed67eff3f7cfedcded9ddd3bd80f0a39950ee91c5e90b [2023-11-12 00:01:42,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:42,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:42,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:42,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:42,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:42,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/../../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 [2023-11-12 00:01:45,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:46,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:46,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/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 [2023-11-12 00:01:46,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/data/c5da4daf6/20893997c56b48ed9fbbaac0fdbdc297/FLAG75d58f867 [2023-11-12 00:01:46,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/data/c5da4daf6/20893997c56b48ed9fbbaac0fdbdc297 [2023-11-12 00:01:46,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:46,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:46,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:46,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:46,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:46,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:46" (1/1) ... [2023-11-12 00:01:46,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7c60f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:46, skipping insertion in model container [2023-11-12 00:01:46,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:46" (1/1) ... [2023-11-12 00:01:46,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:47,262 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-12 00:01:47,266 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-12 00:01:49,187 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_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/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] [2023-11-12 00:01:49,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:49,309 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:49,456 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] [2023-11-12 00:01:49,459 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] [2023-11-12 00:01:49,459 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] [2023-11-12 00:01:49,462 WARN L635 FunctionHandler]: implicit declaration of function ldv_undef_int [2023-11-12 00:01:49,463 WARN L635 FunctionHandler]: implicit declaration of function ldv_assume [2023-11-12 00:01:49,468 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] [2023-11-12 00:01:49,479 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] [2023-11-12 00:01:49,507 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] [2023-11-12 00:01:49,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7080] [2023-11-12 00:01:49,554 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] [2023-11-12 00:01:49,555 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] [2023-11-12 00:01:49,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7607] [2023-11-12 00:01:49,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7610] [2023-11-12 00:01:49,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7612] [2023-11-12 00:01:49,620 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] [2023-11-12 00:01:49,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7691] [2023-11-12 00:01:49,623 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] [2023-11-12 00:01:49,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7729] [2023-11-12 00:01:49,628 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] [2023-11-12 00:01:49,635 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] [2023-11-12 00:01:49,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8051] [2023-11-12 00:01:49,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8053] [2023-11-12 00:01:49,648 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] [2023-11-12 00:01:49,658 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] [2023-11-12 00:01:49,665 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] [2023-11-12 00:01:49,666 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] [2023-11-12 00:01:49,674 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] [2023-11-12 00:01:49,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8520] [2023-11-12 00:01:49,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8602] [2023-11-12 00:01:49,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->rx_stats)); [8656] [2023-11-12 00:01:49,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (np->tx_stats)); [8659] [2023-11-12 00:01:49,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (pcpu_stats)); [8981] [2023-11-12 00:01:49,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr___0): "0" (pcpu_stats___0)); [9005] [2023-11-12 00:01:49,812 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_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/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] [2023-11-12 00:01:49,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:50,039 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:50,039 WARN L672 CHandler]: The function ldv_assume is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:50,047 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:50,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50 WrapperNode [2023-11-12 00:01:50,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:50,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:50,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:50,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:50,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,413 INFO L138 Inliner]: procedures = 337, calls = 1940, calls flagged for inlining = 167, calls inlined = 140, statements flattened = 4841 [2023-11-12 00:01:50,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:50,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:50,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:50,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:50,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:50,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:50,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:50,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:50,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:50" (1/1) ... [2023-11-12 00:01:50,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:50,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:50,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b01a2f1c-1cab-4cd1-a30c-27bdc4414cad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:01:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-12 00:01:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-12 00:01:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:01:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:01:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:01:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:01:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:01:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-12 00:01:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-12 00:01:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2023-11-12 00:01:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2023-11-12 00:01:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-12 00:01:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-12 00:01:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-12 00:01:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-12 00:01:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:01:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:01:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:01:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:01:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:01:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:01:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 00:01:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 00:01:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-12 00:01:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-12 00:01:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2023-11-12 00:01:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2023-11-12 00:01:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-12 00:01:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-12 00:01:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-12 00:01:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-12 00:01:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2023-11-12 00:01:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2023-11-12 00:01:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2023-11-12 00:01:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2023-11-12 00:01:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:01:50,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:01:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2023-11-12 00:01:50,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2023-11-12 00:01:50,851 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2023-11-12 00:01:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2023-11-12 00:01:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:01:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:01:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:01:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:01:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-12 00:01:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-12 00:01:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-12 00:01:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-12 00:01:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:01:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:01:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-12 00:01:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-12 00:01:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:01:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:01:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:01:50,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:01:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2023-11-12 00:01:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2023-11-12 00:01:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-12 00:01:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-12 00:01:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-12 00:01:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-12 00:01:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2023-11-12 00:01:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2023-11-12 00:01:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:01:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:01:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-12 00:01:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-12 00:01:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:01:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:01:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-12 00:01:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-12 00:01:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-12 00:01:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-12 00:01:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-12 00:01:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-12 00:01:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:01:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-12 00:01:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-12 00:01:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-12 00:01:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-12 00:01:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-12 00:01:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-12 00:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:01:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:01:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 00:01:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 00:01:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2023-11-12 00:01:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2023-11-12 00:01:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:01:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:01:50,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:01:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:01:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:01:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:01:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:01:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-12 00:01:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-12 00:01:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:01:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:01:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:01:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:01:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2023-11-12 00:01:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2023-11-12 00:01:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-12 00:01:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-12 00:01:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:01:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2023-11-12 00:01:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2023-11-12 00:01:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:01:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:01:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-12 00:01:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-12 00:01:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-12 00:01:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-12 00:01:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-12 00:01:50,867 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-12 00:01:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-12 00:01:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-12 00:01:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-12 00:01:50,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-12 00:01:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:01:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:01:50,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:01:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:01:50,873 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2023-11-12 00:01:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2023-11-12 00:01:50,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:01:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:01:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-12 00:01:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-12 00:01:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-12 00:01:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-12 00:01:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:01:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2023-11-12 00:01:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2023-11-12 00:01:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:01:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:01:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-12 00:01:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-12 00:01:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-12 00:01:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-12 00:01:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 00:01:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 00:01:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:01:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:01:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:01:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-12 00:01:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-12 00:01:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:01:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-12 00:01:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-12 00:01:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2023-11-12 00:01:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2023-11-12 00:01:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2023-11-12 00:01:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2023-11-12 00:01:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2023-11-12 00:01:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2023-11-12 00:01:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-12 00:01:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-12 00:01:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:01:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:01:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2023-11-12 00:01:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2023-11-12 00:01:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-12 00:01:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-12 00:01:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:01:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:01:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:01:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:01:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-12 00:01:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-12 00:01:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2023-11-12 00:01:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2023-11-12 00:01:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:01:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:01:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-12 00:01:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-12 00:01:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 00:01:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 00:01:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 00:01:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 00:01:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:01:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:01:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:01:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:01:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:01:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:01:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2023-11-12 00:01:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2023-11-12 00:01:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:01:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:01:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2023-11-12 00:01:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2023-11-12 00:01:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 00:01:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 00:01:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-12 00:01:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-12 00:01:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:01:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:01:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:01:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 00:01:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 00:01:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 00:01:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 00:01:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2023-11-12 00:01:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2023-11-12 00:01:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-12 00:01:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-12 00:01:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:01:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:01:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-12 00:01:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-12 00:01:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:01:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:01:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2023-11-12 00:01:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2023-11-12 00:01:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-12 00:01:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-12 00:01:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2023-11-12 00:01:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2023-11-12 00:01:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:01:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:01:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-12 00:01:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-12 00:01:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-12 00:01:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-12 00:01:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-12 00:01:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-12 00:01:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:01:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:01:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:01:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:01:51,798 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:51,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:52,847 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:01:57,718 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:59,061 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:59,062 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:01:59,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:59 BoogieIcfgContainer [2023-11-12 00:01:59,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:59,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:59,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:59,079 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:59,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:59" (1/1) ... [2023-11-12 00:01:59,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1318 states and 1864 transitions. [2023-11-12 00:01:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1864 transitions. [2023-11-12 00:01:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-11-12 00:01:59,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-12 00:02:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1323 states and 1936 transitions. [2023-11-12 00:02:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1936 transitions. [2023-11-12 00:02:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-12 00:02:01,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-12 00:02:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1328 states and 1998 transitions. [2023-11-12 00:02:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1998 transitions. [2023-11-12 00:02:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-11-12 00:02:03,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-12 00:02:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1329 states and 1999 transitions. [2023-11-12 00:02:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1999 transitions. [2023-11-12 00:02:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-12 00:02:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:03,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-12 00:02:04,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1330 states and 2000 transitions. [2023-11-12 00:02:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2000 transitions. [2023-11-12 00:02:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-12 00:02:04,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:04,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2023-11-12 00:02:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1331 states and 2003 transitions. [2023-11-12 00:02:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2003 transitions. [2023-11-12 00:02:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-12 00:02:05,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:05,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2023-11-12 00:02:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1332 states and 2004 transitions. [2023-11-12 00:02:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 2004 transitions. [2023-11-12 00:02:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-12 00:02:06,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:06,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-12 00:02:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1335 states and 2059 transitions. [2023-11-12 00:02:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2059 transitions. [2023-11-12 00:02:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-12 00:02:06,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:06,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2023-11-12 00:02:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1336 states and 2059 transitions. [2023-11-12 00:02:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 2059 transitions. [2023-11-12 00:02:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-12 00:02:07,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:07,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1338 states and 2061 transitions. [2023-11-12 00:02:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 2061 transitions. [2023-11-12 00:02:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-11-12 00:02:08,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:08,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1461 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-12 00:02:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1342 states and 2118 transitions. [2023-11-12 00:02:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2118 transitions. [2023-11-12 00:02:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2023-11-12 00:02:09,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-12 00:02:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1349 states and 2185 transitions. [2023-11-12 00:02:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2185 transitions. [2023-11-12 00:02:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-11-12 00:02:10,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-12 00:02:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1352 states and 2191 transitions. [2023-11-12 00:02:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2191 transitions. [2023-11-12 00:02:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:11,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1355 states and 2197 transitions. [2023-11-12 00:02:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2197 transitions. [2023-11-12 00:02:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2023-11-12 00:02:12,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:12,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-12 00:02:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1357 states and 2200 transitions. [2023-11-12 00:02:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2200 transitions. [2023-11-12 00:02:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-11-12 00:02:13,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:13,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2023-11-12 00:02:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1366 states and 2270 transitions. [2023-11-12 00:02:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 2270 transitions. [2023-11-12 00:02:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2023-11-12 00:02:14,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:14,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-12 00:02:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1368 states and 2275 transitions. [2023-11-12 00:02:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 2275 transitions. [2023-11-12 00:02:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-11-12 00:02:15,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-12 00:02:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1369 states and 2275 transitions. [2023-11-12 00:02:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2275 transitions. [2023-11-12 00:02:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:16,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2023-11-12 00:02:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1371 states and 2279 transitions. [2023-11-12 00:02:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2279 transitions. [2023-11-12 00:02:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-12 00:02:16,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:16,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1375 states and 2295 transitions. [2023-11-12 00:02:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2295 transitions. [2023-11-12 00:02:17,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:17,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-12 00:02:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1379 states and 2309 transitions. [2023-11-12 00:02:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2309 transitions. [2023-11-12 00:02:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-12 00:02:18,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:18,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1382 states and 2317 transitions. [2023-11-12 00:02:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2317 transitions. [2023-11-12 00:02:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:18,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-12 00:02:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1385 states and 2323 transitions. [2023-11-12 00:02:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2323 transitions. [2023-11-12 00:02:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-11-12 00:02:19,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-12 00:02:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1393 states and 2386 transitions. [2023-11-12 00:02:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2386 transitions. [2023-11-12 00:02:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-12 00:02:21,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1466 trivial. 0 not checked. [2023-11-12 00:02:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1394 states and 2386 transitions. [2023-11-12 00:02:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2386 transitions. [2023-11-12 00:02:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:21,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:21,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-12 00:02:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 1397 states and 2399 transitions. [2023-11-12 00:02:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2399 transitions. [2023-11-12 00:02:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-12 00:02:22,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 1399 states and 2402 transitions. [2023-11-12 00:02:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2402 transitions. [2023-11-12 00:02:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-11-12 00:02:22,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2023-11-12 00:02:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 1402 states and 2408 transitions. [2023-11-12 00:02:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 2408 transitions. [2023-11-12 00:02:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-12 00:02:23,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2023-11-12 00:02:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 1405 states and 2413 transitions. [2023-11-12 00:02:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2413 transitions. [2023-11-12 00:02:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-11-12 00:02:24,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:24,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-12 00:02:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:24,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1404 states and 2404 transitions. [2023-11-12 00:02:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2404 transitions. [2023-11-12 00:02:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-12 00:02:24,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:24,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1475 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2023-11-12 00:02:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 1406 states and 2409 transitions. [2023-11-12 00:02:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2409 transitions. [2023-11-12 00:02:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-11-12 00:02:25,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:25,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat