./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:44,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:44,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:43:44,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:44,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:44,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:44,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:44,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:44,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:44,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:44,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:44,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:44,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:44,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:44,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:44,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:44,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:44,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:44,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:44,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:44,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:44,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:44,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:44,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:44,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:44,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:44,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:44,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:44,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:44,196 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_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ddf607d1745197f42ec93d91371fe3b581377117340b3a7d449f25d43cdec16 [2023-11-21 18:43:44,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:44,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:44,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:44,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:44,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:44,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-21 18:43:48,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:49,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:49,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2023-11-21 18:43:49,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/data/910be7378/dd5fc2e600a84ee88cf56ded9af0ac86/FLAGe5bf22ec5 [2023-11-21 18:43:49,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/data/910be7378/dd5fc2e600a84ee88cf56ded9af0ac86 [2023-11-21 18:43:49,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:49,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:49,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:49,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:49,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:49,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:49" (1/1) ... [2023-11-21 18:43:49,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d828b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:49, skipping insertion in model container [2023-11-21 18:43:49,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:49" (1/1) ... [2023-11-21 18:43:49,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:54,435 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_cabe4cba-a262-4d52-abe9-cdcaf7f76101/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2023-11-21 18:43:54,440 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_cabe4cba-a262-4d52-abe9-cdcaf7f76101/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2023-11-21 18:43:54,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:54,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:54,744 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"); [6124] [2023-11-21 18:43:54,746 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)); [6131] [2023-11-21 18:43:54,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6138] [2023-11-21 18:43:54,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6242-6243] [2023-11-21 18:43:54,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6248-6250] [2023-11-21 18:43:54,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [6275-6276] [2023-11-21 18:43:54,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6281-6283] [2023-11-21 18:43:54,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/dfaa16b/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [6307-6308] [2023-11-21 18:43:54,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6313-6315] [2023-11-21 18:43:54,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6350] [2023-11-21 18:43:54,766 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" (488), "i" (12UL)); [6550-6551] [2023-11-21 18:43:54,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6934-6935] [2023-11-21 18:43:54,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6941] [2023-11-21 18:43:54,834 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 *)"drivers/net/xen-netfront.c"), "i" (317), "i" (12UL)); [7633-7634] [2023-11-21 18:43:54,835 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 *)"drivers/net/xen-netfront.c"), "i" (321), "i" (12UL)); [7647-7648] [2023-11-21 18:43:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7671] [2023-11-21 18:43:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7676] [2023-11-21 18:43:54,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7678] [2023-11-21 18:43:54,841 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 *)"drivers/net/xen-netfront.c"), "i" (374), "i" (12UL)); [7752-7753] [2023-11-21 18:43:54,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7760] [2023-11-21 18:43:54,845 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 *)"drivers/net/xen-netfront.c"), "i" (393), "i" (12UL)); [7779-7780] [2023-11-21 18:43:54,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7802] [2023-11-21 18:43:54,853 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 *)"drivers/net/xen-netfront.c"), "i" (451), "i" (12UL)); [7883-7884] [2023-11-21 18:43:54,855 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 *)"drivers/net/xen-netfront.c"), "i" (473), "i" (12UL)); [7924-7925] [2023-11-21 18:43:54,856 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 *)"drivers/net/xen-netfront.c"), "i" (482), "i" (12UL)); [7939-7940] [2023-11-21 18:43:54,858 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 *)"drivers/net/xen-netfront.c"), "i" (496), "i" (12UL)); [7965-7966] [2023-11-21 18:43:54,860 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 *)"drivers/net/xen-netfront.c"), "i" (514), "i" (12UL)); [7992-7993] [2023-11-21 18:43:54,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8108] [2023-11-21 18:43:54,935 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 *)"drivers/net/xen-netfront.c"), "i" (599), "i" (12UL)); [8222-8223] [2023-11-21 18:43:54,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8274] [2023-11-21 18:43:54,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8276] [2023-11-21 18:43:54,946 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 *)"drivers/net/xen-netfront.c"), "i" (678), "i" (12UL)); [8339-8340] [2023-11-21 18:43:54,957 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 *)"drivers/net/xen-netfront.c"), "i" (775), "i" (12UL)); [8522-8523] [2023-11-21 18:43:54,967 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 *)"drivers/net/xen-netfront.c"), "i" (855), "i" (12UL)); [8672-8673] [2023-11-21 18:43:54,969 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 *)"drivers/net/xen-netfront.c"), "i" (858), "i" (12UL)); [8689-8690] [2023-11-21 18:43:54,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("add %%gs:%P1, %0": "=r" (tcp_ptr__): "m" (this_cpu_off), "0" (np->stats)); [8767] [2023-11-21 18:43:54,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8855] [2023-11-21 18:43:54,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8970] [2023-11-21 18:43:54,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9042] [2023-11-21 18:43:55,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "=r" (__ptr): "0" (np->stats)); [9412] [2023-11-21 18:43:55,241 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_cabe4cba-a262-4d52-abe9-cdcaf7f76101/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402050,402063] [2023-11-21 18:43:55,242 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_cabe4cba-a262-4d52-abe9-cdcaf7f76101/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[402195,402208] [2023-11-21 18:43:55,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:55,564 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:55,572 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:55,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55 WrapperNode [2023-11-21 18:43:55,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:55,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:55,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:55,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:55,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:55,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,092 INFO L138 Inliner]: procedures = 547, calls = 2370, calls flagged for inlining = 260, calls inlined = 202, statements flattened = 5195 [2023-11-21 18:43:56,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:56,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:56,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:56,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:56,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:56,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:56,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:55" (1/1) ... [2023-11-21 18:43:56,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:56,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:56,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cabe4cba-a262-4d52-abe9-cdcaf7f76101/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2023-11-21 18:43:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2023-11-21 18:43:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 18:43:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 18:43:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 18:43:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 18:43:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 18:43:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 18:43:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:43:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:43:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-21 18:43:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-21 18:43:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-21 18:43:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2023-11-21 18:43:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2023-11-21 18:43:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2023-11-21 18:43:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 18:43:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 18:43:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2023-11-21 18:43:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2023-11-21 18:43:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 18:43:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 18:43:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2023-11-21 18:43:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2023-11-21 18:43:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2023-11-21 18:43:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2023-11-21 18:43:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2023-11-21 18:43:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2023-11-21 18:43:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2023-11-21 18:43:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2023-11-21 18:43:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2023-11-21 18:43:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2023-11-21 18:43:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 18:43:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 18:43:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2023-11-21 18:43:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2023-11-21 18:43:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 18:43:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2023-11-21 18:43:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2023-11-21 18:43:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 18:43:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 18:43:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 18:43:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 18:43:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 18:43:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 18:43:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2023-11-21 18:43:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2023-11-21 18:43:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 18:43:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 18:43:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2023-11-21 18:43:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2023-11-21 18:43:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2023-11-21 18:43:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2023-11-21 18:43:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:43:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:43:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:43:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2023-11-21 18:43:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2023-11-21 18:43:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-21 18:43:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-21 18:43:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-21 18:43:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-21 18:43:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 18:43:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 18:43:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:43:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 18:43:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 18:43:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2023-11-21 18:43:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2023-11-21 18:43:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 18:43:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 18:43:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 18:43:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 18:43:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 18:43:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 18:43:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2023-11-21 18:43:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2023-11-21 18:43:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 18:43:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 18:43:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2023-11-21 18:43:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2023-11-21 18:43:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 18:43:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 18:43:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2023-11-21 18:43:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2023-11-21 18:43:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-21 18:43:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2023-11-21 18:43:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 18:43:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 18:43:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_uninit [2023-11-21 18:43:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_uninit [2023-11-21 18:43:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-21 18:43:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-21 18:43:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:43:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 18:43:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 18:43:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:43:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-21 18:43:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-21 18:43:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:43:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 18:43:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 18:43:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 18:43:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-21 18:43:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-21 18:43:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2023-11-21 18:43:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2023-11-21 18:43:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 18:43:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 18:43:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 18:43:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 18:43:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 18:43:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 18:43:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-21 18:43:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-21 18:43:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 18:43:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 18:43:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-21 18:43:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-21 18:43:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2023-11-21 18:43:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2023-11-21 18:43:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 18:43:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 18:43:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:43:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:43:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 18:43:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 18:43:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2023-11-21 18:43:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2023-11-21 18:43:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-21 18:43:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-21 18:43:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2023-11-21 18:43:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2023-11-21 18:43:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 18:43:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 18:43:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 18:43:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 18:43:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2023-11-21 18:43:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2023-11-21 18:43:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2023-11-21 18:43:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2023-11-21 18:43:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:43:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:43:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 18:43:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 18:43:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-21 18:43:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-21 18:43:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2023-11-21 18:43:56,591 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2023-11-21 18:43:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 18:43:56,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 18:43:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-21 18:43:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-21 18:43:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2023-11-21 18:43:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2023-11-21 18:43:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-21 18:43:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-21 18:43:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-21 18:43:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2023-11-21 18:43:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2023-11-21 18:43:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2023-11-21 18:43:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:43:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-21 18:43:56,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-21 18:43:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2023-11-21 18:43:56,594 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2023-11-21 18:43:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2023-11-21 18:43:56,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2023-11-21 18:43:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:43:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:43:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:43:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-21 18:43:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-21 18:43:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2023-11-21 18:43:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2023-11-21 18:43:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2023-11-21 18:43:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2023-11-21 18:43:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:43:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:43:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 18:43:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 18:43:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-11-21 18:43:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-11-21 18:43:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2023-11-21 18:43:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2023-11-21 18:43:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-21 18:43:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-21 18:43:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2023-11-21 18:43:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2023-11-21 18:43:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2023-11-21 18:43:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2023-11-21 18:43:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2023-11-21 18:43:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-21 18:43:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-21 18:43:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 18:43:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 18:43:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2023-11-21 18:43:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2023-11-21 18:43:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2023-11-21 18:43:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2023-11-21 18:43:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 18:43:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 18:43:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-21 18:43:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-21 18:43:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-21 18:43:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-21 18:43:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2023-11-21 18:43:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2023-11-21 18:43:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2023-11-21 18:43:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2023-11-21 18:43:57,726 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:57,732 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:58,010 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 18:44:05,584 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:07,827 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:07,828 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:44:07,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:07 BoogieIcfgContainer [2023-11-21 18:44:07,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:07,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:07,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:07,846 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:07,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:07" (1/1) ... [2023-11-21 18:44:07,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1318 states and 1841 transitions. [2023-11-21 18:44:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1841 transitions. [2023-11-21 18:44:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:08,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-21 18:44:12,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:12,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-21 18:44:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:15,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:17,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-21 18:44:20,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-21 18:44:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:21,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:23,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:24,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-21 18:44:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1325 states and 1852 transitions. [2023-11-21 18:44:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1852 transitions. [2023-11-21 18:44:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 18:44:26,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat