./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 cf1a7837 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_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/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_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:18:59,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:59,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:18:59,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:59,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:59,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:59,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:59,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:59,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:18:59,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:18:59,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:59,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:59,781 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:59,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:59,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:18:59,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:18:59,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:59,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:18:59,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:18:59,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:18:59,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:59,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:59,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:59,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:59,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:18:59,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:59,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:59,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:18:59,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:18:59,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:18:59,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:18:59,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:18:59,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:18:59,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:18:59,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:18:59,791 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:18:59,791 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_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2023-11-12 02:19:00,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:00,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:00,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:00,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:00,134 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:00,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:19:03,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:04,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:04,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:19:04,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/data/0a5a5b634/de7490ff12c84e67a890c34bdb306a09/FLAG9c885c7a8 [2023-11-12 02:19:04,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/data/0a5a5b634/de7490ff12c84e67a890c34bdb306a09 [2023-11-12 02:19:04,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:04,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:04,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:04,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:04,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:04,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:04" (1/1) ... [2023-11-12 02:19:04,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bfabcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:04, skipping insertion in model container [2023-11-12 02:19:04,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:04" (1/1) ... [2023-11-12 02:19:04,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:07,563 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_625b0301-9208-4bb1-b712-9e0ace66239b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-12 02:19:07,568 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_625b0301-9208-4bb1-b712-9e0ace66239b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-12 02:19:07,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:07,636 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:07,751 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] [2023-11-12 02:19:07,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5303] [2023-11-12 02:19:07,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2023-11-12 02:19:07,757 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] [2023-11-12 02:19:07,757 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] [2023-11-12 02:19:07,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2023-11-12 02:19:07,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2023-11-12 02:19:07,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2023-11-12 02:19:07,769 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] [2023-11-12 02:19:07,773 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] [2023-11-12 02:19:07,776 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] [2023-11-12 02:19:07,777 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] [2023-11-12 02:19:07,779 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] [2023-11-12 02:19:07,780 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] [2023-11-12 02:19:07,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2023-11-12 02:19:07,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-12 02:19:07,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2023-11-12 02:19:07,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2023-11-12 02:19:07,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2023-11-12 02:19:07,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2023-11-12 02:19:07,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2023-11-12 02:19:07,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2023-11-12 02:19:07,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2023-11-12 02:19:07,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2023-11-12 02:19:08,116 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_625b0301-9208-4bb1-b712-9e0ace66239b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-12 02:19:08,117 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_625b0301-9208-4bb1-b712-9e0ace66239b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-12 02:19:08,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:08,347 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:08,347 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:08,355 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:08,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08 WrapperNode [2023-11-12 02:19:08,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:08,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:08,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:08,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:08,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,754 INFO L138 Inliner]: procedures = 444, calls = 2249, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6178 [2023-11-12 02:19:08,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:08,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:08,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:08,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:08,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:08,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:09,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:09,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:09,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:09,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:09,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:09,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:09,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (1/1) ... [2023-11-12 02:19:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:09,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:09,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625b0301-9208-4bb1-b712-9e0ace66239b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 02:19:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-12 02:19:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-12 02:19:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 02:19:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 02:19:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:19:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:19:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:19:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:19:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-12 02:19:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-12 02:19:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-12 02:19:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-12 02:19:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-12 02:19:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-12 02:19:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:19:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:19:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-12 02:19:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-12 02:19:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:19:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:19:09,191 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:19:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:19:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-12 02:19:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-12 02:19:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-12 02:19:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-12 02:19:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:19:09,192 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:19:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-12 02:19:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-12 02:19:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 02:19:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 02:19:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:19:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:19:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-12 02:19:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-12 02:19:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 02:19:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 02:19:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:19:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:19:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:19:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:19:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:19:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:19:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:19:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 02:19:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 02:19:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:19:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:19:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:19:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:19:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:19:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:19:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:19:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 02:19:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 02:19:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:19:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:19:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:19:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:19:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:19:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:19:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:19:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:19:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:19:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:19:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:19:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 02:19:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 02:19:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:19:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:19:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:19:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:19:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:19:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:19:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:19:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:19:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-12 02:19:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-12 02:19:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-12 02:19:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-12 02:19:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:19:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:19:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:19:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:19:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:19:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-12 02:19:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-12 02:19:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:19:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:19:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-12 02:19:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-12 02:19:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:19:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:19:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:19:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:19:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:19:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:19:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:19:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:19:09,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:19:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:19:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:19:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 02:19:09,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 02:19:09,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:19:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:19:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 02:19:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 02:19:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:19:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:19:09,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:19:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:19:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:19:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:19:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:19:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:19:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-12 02:19:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-12 02:19:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-12 02:19:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-12 02:19:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 02:19:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 02:19:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:19:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-12 02:19:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-12 02:19:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:19:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:19:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:19:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:19:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:19:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:19:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:19:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:19:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:19:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:19:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:19:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:19:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:19:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:19:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:19:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 02:19:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 02:19:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 02:19:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 02:19:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:19:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:19:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:19:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:19:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:19:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:19:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-12 02:19:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-12 02:19:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:19:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:19:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:19:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:19:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:19:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-12 02:19:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-12 02:19:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:19:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:19:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:19:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:19:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 02:19:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 02:19:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-12 02:19:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-12 02:19:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-12 02:19:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-12 02:19:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:19:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:19:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:19:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:19:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-12 02:19:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-12 02:19:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:19:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:19:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:19:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:19:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:19:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:19:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:19:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:19:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:19:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 02:19:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 02:19:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:19:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:19:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 02:19:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 02:19:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:19:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:19:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 02:19:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 02:19:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-12 02:19:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-12 02:19:10,181 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:10,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:11,167 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:19:18,127 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:19:18,420 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:18,450 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:18,450 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:19:18,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:18 BoogieIcfgContainer [2023-11-12 02:19:18,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:18,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:18,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:18,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:18,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:04" (1/3) ... [2023-11-12 02:19:18,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:18, skipping insertion in model container [2023-11-12 02:19:18,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:08" (2/3) ... [2023-11-12 02:19:18,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:18, skipping insertion in model container [2023-11-12 02:19:18,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:18" (3/3) ... [2023-11-12 02:19:18,467 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:19:18,487 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:18,487 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:18,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:18,614 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;@5fa3e409, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:18,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:18,630 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) [2023-11-12 02:19:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:19:18,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:18,681 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] [2023-11-12 02:19:18,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:18,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash 458020744, now seen corresponding path program 1 times [2023-11-12 02:19:18,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:18,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465600645] [2023-11-12 02:19:18,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:18,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:19:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:19:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:19:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:19:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:19:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:19:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:19:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:19:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:19:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:19:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:19:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-12 02:19:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-12 02:19:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:19:19,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:19,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465600645] [2023-11-12 02:19:19,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465600645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:19,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:19,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:19:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241419401] [2023-11-12 02:19:19,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:19,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:19:19,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:19,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:19:19,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:19:19,812 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) [2023-11-12 02:19:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:27,480 INFO L93 Difference]: Finished difference Result 5209 states and 7955 transitions. [2023-11-12 02:19:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:19:27,482 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 [2023-11-12 02:19:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:27,525 INFO L225 Difference]: With dead ends: 5209 [2023-11-12 02:19:27,526 INFO L226 Difference]: Without dead ends: 2632 [2023-11-12 02:19:27,548 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 [2023-11-12 02:19:27,551 INFO L413 NwaCegarLoop]: 2394 mSDtfsCounter, 1808 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 2994 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 7.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:27,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 5180 Invalid, 4589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1595 Valid, 2994 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-12 02:19:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2023-11-12 02:19:27,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2500. [2023-11-12 02:19:27,782 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) [2023-11-12 02:19:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3708 transitions. [2023-11-12 02:19:27,811 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3708 transitions. Word has length 156 [2023-11-12 02:19:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:27,813 INFO L495 AbstractCegarLoop]: Abstraction has 2500 states and 3708 transitions. [2023-11-12 02:19:27,813 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) [2023-11-12 02:19:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3708 transitions. [2023-11-12 02:19:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-12 02:19:27,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:27,831 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] [2023-11-12 02:19:27,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:19:27,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:27,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 873605794, now seen corresponding path program 1 times [2023-11-12 02:19:27,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:27,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138957087] [2023-11-12 02:19:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:19:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:19:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:19:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:19:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:19:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:19:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:19:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:19:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:19:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:19:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:19:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-12 02:19:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:19:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:19:28,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:28,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138957087] [2023-11-12 02:19:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138957087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:28,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:19:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761070491] [2023-11-12 02:19:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:28,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:19:28,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:28,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:19:28,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:19:28,665 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) [2023-11-12 02:19:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:39,882 INFO L93 Difference]: Finished difference Result 7057 states and 10520 transitions. [2023-11-12 02:19:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:19:39,883 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 [2023-11-12 02:19:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:19:39,927 INFO L225 Difference]: With dead ends: 7057 [2023-11-12 02:19:39,927 INFO L226 Difference]: Without dead ends: 4578 [2023-11-12 02:19:39,942 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 [2023-11-12 02:19:39,944 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 5248 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 3214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s 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, 10.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:19:39,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5628 Valid, 7045 Invalid, 7990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3214 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-12 02:19:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2023-11-12 02:19:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4379. [2023-11-12 02:19:40,224 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) [2023-11-12 02:19:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 6518 transitions. [2023-11-12 02:19:40,252 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 6518 transitions. Word has length 157 [2023-11-12 02:19:40,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:19:40,253 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 6518 transitions. [2023-11-12 02:19:40,253 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) [2023-11-12 02:19:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 6518 transitions. [2023-11-12 02:19:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-12 02:19:40,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:40,262 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] [2023-11-12 02:19:40,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:19:40,262 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:40,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1731664265, now seen corresponding path program 1 times [2023-11-12 02:19:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722255799] [2023-11-12 02:19:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:19:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:19:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:19:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:19:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:19:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:19:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:19:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:19:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:19:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:19:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:19:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:19:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-12 02:19:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-12 02:19:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-12 02:19:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:19:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:19:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-12 02:19:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-12 02:19:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2023-11-12 02:19:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:41,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722255799] [2023-11-12 02:19:41,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722255799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:41,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:41,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:19:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144804674] [2023-11-12 02:19:41,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:41,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:19:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:19:41,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:19:41,033 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)