./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:08,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:08,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:38:08,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:08,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:09,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:09,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:09,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:09,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:09,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:09,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:09,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:09,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:09,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:09,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:09,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:09,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:09,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:09,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:09,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:09,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:09,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:09,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:09,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:09,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:09,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:09,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:09,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:09,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:09,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:09,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:09,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:09,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:09,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:09,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:09,034 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:09,034 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2023-11-19 07:38:09,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:09,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:09,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:09,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:09,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:09,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 07:38:12,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:13,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:13,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 07:38:13,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/data/57f5fadf2/1006f9426549489dad882d46f8bedf6a/FLAGf460d61fe [2023-11-19 07:38:13,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/data/57f5fadf2/1006f9426549489dad882d46f8bedf6a [2023-11-19 07:38:13,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:13,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:13,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:13,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:13,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:13,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:13" (1/1) ... [2023-11-19 07:38:13,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9809b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:13, skipping insertion in model container [2023-11-19 07:38:13,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:13" (1/1) ... [2023-11-19 07:38:13,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:16,793 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_a7547cff-30eb-42b9-9613-e4c3b2fb5971/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-19 07:38:16,798 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_a7547cff-30eb-42b9-9613-e4c3b2fb5971/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-19 07:38:16,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:16,887 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:17,041 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"); [5296] [2023-11-19 07:38:17,043 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)); [5303] [2023-11-19 07:38:17,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2023-11-19 07:38:17,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5365-5366] [2023-11-19 07:38:17,048 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"); [5371-5373] [2023-11-19 07:38:17,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2023-11-19 07:38:17,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2023-11-19 07:38:17,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2023-11-19 07:38:17,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5606-5607] [2023-11-19 07:38:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5640-5641] [2023-11-19 07:38:17,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5681-5682] [2023-11-19 07:38:17,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5710-5711] [2023-11-19 07:38:17,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5747-5748] [2023-11-19 07:38:17,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5784-5785] [2023-11-19 07:38:17,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2023-11-19 07:38:17,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-19 07:38:17,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2023-11-19 07:38:17,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2023-11-19 07:38:17,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2023-11-19 07:38:17,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2023-11-19 07:38:17,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2023-11-19 07:38:17,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2023-11-19 07:38:17,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2023-11-19 07:38:17,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2023-11-19 07:38:17,409 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_a7547cff-30eb-42b9-9613-e4c3b2fb5971/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-19 07:38:17,409 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_a7547cff-30eb-42b9-9613-e4c3b2fb5971/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-19 07:38:17,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:17,645 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:17,645 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:17,653 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:17,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17 WrapperNode [2023-11-19 07:38:17,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:17,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:17,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:17,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:17,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:17,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,105 INFO L138 Inliner]: procedures = 444, calls = 2249, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6178 [2023-11-19 07:38:18,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:18,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:18,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:18,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:18,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:18,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:18,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:18,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:18,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (1/1) ... [2023-11-19 07:38:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:18,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:18,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:18,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7547cff-30eb-42b9-9613-e4c3b2fb5971/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 07:38:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-19 07:38:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-19 07:38:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 07:38:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 07:38:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:38:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:38:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:38:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:38:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-19 07:38:18,680 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-19 07:38:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-19 07:38:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-19 07:38:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-19 07:38:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-19 07:38:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:38:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:38:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-19 07:38:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-19 07:38:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:38:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:38:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:38:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:38:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-19 07:38:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-19 07:38:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-19 07:38:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-19 07:38:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:38:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:38:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-19 07:38:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-19 07:38:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 07:38:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 07:38:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-19 07:38:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-19 07:38:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-19 07:38:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-19 07:38:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 07:38:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 07:38:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:38:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:38:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:38:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:38:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:38:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:38:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:38:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-19 07:38:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-19 07:38:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:38:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:38:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:38:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:38:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:38:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:38:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 07:38:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 07:38:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:38:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:38:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:38:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:38:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:38:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:38:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:38:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:38:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:38:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:38:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 07:38:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 07:38:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:38:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:38:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:38:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:38:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:38:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:38:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:38:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:38:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-19 07:38:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-19 07:38:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-19 07:38:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-19 07:38:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:38:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:38:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:38:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:38:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:38:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-19 07:38:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-19 07:38:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 07:38:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 07:38:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-19 07:38:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-19 07:38:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:38:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:38:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:38:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:38:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:38:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:38:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:38:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 07:38:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 07:38:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 07:38:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 07:38:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:38:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:38:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 07:38:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 07:38:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:38:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:38:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:38:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:38:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:38:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:38:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:38:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:38:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-19 07:38:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-19 07:38:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-19 07:38:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-19 07:38:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:38:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:38:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:38:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-19 07:38:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-19 07:38:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:38:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:38:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:38:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:38:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:38:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 07:38:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 07:38:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:38:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:38:18,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-19 07:38:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-19 07:38:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:38:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:38:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:38:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:38:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:38:18,703 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:38:18,703 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 07:38:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 07:38:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 07:38:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 07:38:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:38:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 07:38:18,704 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 07:38:18,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-19 07:38:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-19 07:38:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:38:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:38:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:38:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:38:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:38:18,705 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-19 07:38:18,705 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-19 07:38:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:38:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:38:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:38:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:38:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 07:38:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 07:38:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-19 07:38:18,706 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-19 07:38:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-19 07:38:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-19 07:38:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:38:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:38:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:38:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:38:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-19 07:38:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-19 07:38:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:38:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:38:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:38:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:38:18,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:38:18,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:38:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:38:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:38:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 07:38:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 07:38:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:38:18,709 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:38:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:18,709 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-19 07:38:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-19 07:38:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:38:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:38:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-19 07:38:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-19 07:38:18,710 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-19 07:38:18,710 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-19 07:38:19,585 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:19,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:20,450 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:38:27,544 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:38:27,830 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:27,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:27,865 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:27,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:27 BoogieIcfgContainer [2023-11-19 07:38:27,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:27,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:27,888 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:27,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:27,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:13" (1/3) ... [2023-11-19 07:38:27,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7684038f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:27, skipping insertion in model container [2023-11-19 07:38:27,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:17" (2/3) ... [2023-11-19 07:38:27,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7684038f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:27, skipping insertion in model container [2023-11-19 07:38:27,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:27" (3/3) ... [2023-11-19 07:38:27,895 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 07:38:27,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:27,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:28,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:28,074 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dbc9a5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:28,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 2551 states, 1820 states have (on average 1.4076923076923078) internal successors, (2562), 1854 states have internal predecessors, (2562), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) [2023-11-19 07:38:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:38:28,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:28,141 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:28,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:28,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:28,148 INFO L85 PathProgramCache]: Analyzing trace with hash 458020744, now seen corresponding path program 1 times [2023-11-19 07:38:28,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093781022] [2023-11-19 07:38:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:38:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:38:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:38:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:38:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:38:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:38:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:38:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 07:38:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:38:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:38:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-19 07:38:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:38:29,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:29,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093781022] [2023-11-19 07:38:29,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093781022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:29,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:29,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:38:29,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649938596] [2023-11-19 07:38:29,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:29,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:29,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:29,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:29,367 INFO L87 Difference]: Start difference. First operand has 2551 states, 1820 states have (on average 1.4076923076923078) internal successors, (2562), 1854 states have internal predecessors, (2562), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 07:38:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:36,393 INFO L93 Difference]: Finished difference Result 5209 states and 7955 transitions. [2023-11-19 07:38:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:38:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 156 [2023-11-19 07:38:36,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:36,458 INFO L225 Difference]: With dead ends: 5209 [2023-11-19 07:38:36,459 INFO L226 Difference]: Without dead ends: 2632 [2023-11-19 07:38:36,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:36,497 INFO L413 NwaCegarLoop]: 2394 mSDtfsCounter, 1808 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 2994 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 5180 SdHoareTripleChecker+Invalid, 4589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 2994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:36,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 5180 Invalid, 4589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1595 Valid, 2994 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-19 07:38:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2023-11-19 07:38:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2500. [2023-11-19 07:38:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 1799 states have (on average 1.3818788215675375) internal successors, (2486), 1832 states have internal predecessors, (2486), 611 states have call successors, (611), 89 states have call predecessors, (611), 89 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2023-11-19 07:38:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3708 transitions. [2023-11-19 07:38:36,796 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3708 transitions. Word has length 156 [2023-11-19 07:38:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:36,797 INFO L495 AbstractCegarLoop]: Abstraction has 2500 states and 3708 transitions. [2023-11-19 07:38:36,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 07:38:36,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3708 transitions. [2023-11-19 07:38:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:38:36,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:36,822 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:36,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:36,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:36,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:36,824 INFO L85 PathProgramCache]: Analyzing trace with hash 873605794, now seen corresponding path program 1 times [2023-11-19 07:38:36,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:36,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855060187] [2023-11-19 07:38:36,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:36,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:38:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:38:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:38:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:38:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:38:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:38:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:38:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-19 07:38:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:38:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:38:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-19 07:38:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:38:37,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855060187] [2023-11-19 07:38:37,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855060187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:37,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:37,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:37,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555926180] [2023-11-19 07:38:37,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:37,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:37,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:37,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:37,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:37,822 INFO L87 Difference]: Start difference. First operand 2500 states and 3708 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:38:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:48,337 INFO L93 Difference]: Finished difference Result 7057 states and 10520 transitions. [2023-11-19 07:38:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:38:48,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 157 [2023-11-19 07:38:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:48,382 INFO L225 Difference]: With dead ends: 7057 [2023-11-19 07:38:48,383 INFO L226 Difference]: Without dead ends: 4578 [2023-11-19 07:38:48,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:38:48,400 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 5248 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 3214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5628 SdHoareTripleChecker+Valid, 7045 SdHoareTripleChecker+Invalid, 7990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3214 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:48,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5628 Valid, 7045 Invalid, 7990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3214 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-19 07:38:48,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2023-11-19 07:38:48,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4379. [2023-11-19 07:38:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4379 states, 3144 states have (on average 1.3874045801526718) internal successors, (4362), 3203 states have internal predecessors, (4362), 1078 states have call successors, (1078), 156 states have call predecessors, (1078), 156 states have return successors, (1078), 1059 states have call predecessors, (1078), 1078 states have call successors, (1078) [2023-11-19 07:38:48,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 6518 transitions. [2023-11-19 07:38:48,682 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 6518 transitions. Word has length 157 [2023-11-19 07:38:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:48,683 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 6518 transitions. [2023-11-19 07:38:48,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:38:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 6518 transitions. [2023-11-19 07:38:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 07:38:48,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:48,693 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:48,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:48,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:48,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:48,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1731664265, now seen corresponding path program 1 times [2023-11-19 07:38:48,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:48,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472189775] [2023-11-19 07:38:48,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:48,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:38:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:38:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:38:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:38:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:38:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:38:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:38:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:38:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:38:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:38:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:38:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:38:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:38:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-19 07:38:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:38:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-19 07:38:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:38:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:38:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-19 07:38:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:38:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2023-11-19 07:38:49,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:49,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472189775] [2023-11-19 07:38:49,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472189775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:49,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:49,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:49,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78472096] [2023-11-19 07:38:49,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:49,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:38:49,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:49,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:38:49,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:38:49,390 INFO L87 Difference]: Start difference. First operand 4379 states and 6518 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 4 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20)