./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya --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 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:15:23,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:15:23,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 00:15:23,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:15:23,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:15:23,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:15:23,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:15:23,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:15:23,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:15:23,984 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:15:23,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:15:23,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:15:23,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:15:23,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:15:23,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:15:23,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:15:23,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:15:23,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:15:23,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:15:23,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:15:23,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:15:23,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:15:23,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:15:23,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:15:23,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:15:23,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:15:23,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:15:23,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:15:23,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:15:23,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:15:23,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:15:23,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:15:23,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:15:23,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:15:23,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:15:23,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:15:23,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:15:23,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:15:23,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:15:23,997 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_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2023-11-29 00:15:24,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:15:24,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:15:24,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:15:24,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:15:24,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:15:24,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-29 00:15:27,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:15:27,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:15:27,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-29 00:15:27,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/data/c21c1ad84/82ca4d9f529f4bbf94cb2604e4ea8ebd/FLAG0f686267c [2023-11-29 00:15:27,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/data/c21c1ad84/82ca4d9f529f4bbf94cb2604e4ea8ebd [2023-11-29 00:15:27,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:15:27,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:15:27,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:15:27,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:15:27,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:15:27,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:15:27" (1/1) ... [2023-11-29 00:15:27,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aba5136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:27, skipping insertion in model container [2023-11-29 00:15:27,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:15:27" (1/1) ... [2023-11-29 00:15:27,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:15:29,392 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_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-29 00:15:29,431 WARN L638 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-29 00:15:29,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:15:29,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:15:29,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-29 00:15:29,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6373] [2023-11-29 00:15:29,562 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"); [6383] [2023-11-29 00:15:29,562 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)); [6390] [2023-11-29 00:15:29,566 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6520] [2023-11-29 00:15:29,567 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6527] [2023-11-29 00:15:29,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6534] [2023-11-29 00:15:29,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6545] [2023-11-29 00:15:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6548] [2023-11-29 00:15:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6551] [2023-11-29 00:15:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6554] [2023-11-29 00:15:29,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6637] [2023-11-29 00:15:29,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6644] [2023-11-29 00:15:29,610 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)); [6838-6839] [2023-11-29 00:15:29,612 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)); [6867-6868] [2023-11-29 00:15:29,613 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" (108), "i" (12UL)); [6897-6898] [2023-11-29 00:15:29,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (& ((pool_levels *)arg)->buftype), "i" (4UL)); [10046-10047] [2023-11-29 00:15:29,821 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_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-29 00:15:29,826 WARN L638 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-29 00:15:29,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:15:29,886 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:15:29,887 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:15:29,887 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:15:29,894 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:15:29,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29 WrapperNode [2023-11-29 00:15:29,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:15:29,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:15:29,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:15:29,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:15:29,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:29,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:30,171 INFO L138 Inliner]: procedures = 252, calls = 2387, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 7036 [2023-11-29 00:15:30,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:15:30,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:15:30,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:15:30,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:15:30,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:30,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:30,214 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,409 INFO L175 MemorySlicer]: Split 1290 memory accesses to 25 slices as follows [8, 2, 3, 14, 3, 3, 9, 8, 1, 2, 8, 1017, 40, 17, 21, 9, 14, 9, 7, 4, 41, 31, 8, 8, 3]. 79 percent of accesses are in the largest equivalence class. The 154 initializations are split as follows [0, 0, 3, 0, 3, 3, 0, 0, 0, 2, 8, 22, 0, 16, 17, 4, 14, 0, 4, 0, 41, 0, 8, 8, 1]. The 335 writes are split as follows [4, 1, 0, 9, 0, 0, 1, 4, 0, 0, 0, 258, 17, 0, 0, 3, 0, 7, 0, 4, 0, 27, 0, 0, 0]. [2023-11-29 00:15:31,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:15:31,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:15:31,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:15:31,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:15:31,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (1/1) ... [2023-11-29 00:15:31,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:15:31,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:15:31,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:15:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:15:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-29 00:15:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-29 00:15:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-29 00:15:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-29 00:15:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2023-11-29 00:15:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2023-11-29 00:15:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 00:15:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 00:15:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 00:15:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 00:15:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 00:15:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 00:15:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 00:15:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 00:15:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 00:15:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 00:15:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-29 00:15:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 00:15:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 00:15:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 00:15:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 00:15:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 00:15:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 00:15:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 00:15:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 00:15:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 00:15:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 00:15:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 00:15:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 00:15:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-29 00:15:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-29 00:15:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2023-11-29 00:15:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2023-11-29 00:15:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-29 00:15:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-29 00:15:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-29 00:15:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-29 00:15:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2023-11-29 00:15:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2023-11-29 00:15:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2023-11-29 00:15:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2023-11-29 00:15:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 00:15:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 00:15:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2023-11-29 00:15:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2023-11-29 00:15:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-29 00:15:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-29 00:15:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 00:15:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 00:15:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-29 00:15:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-29 00:15:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-29 00:15:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-29 00:15:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-29 00:15:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 00:15:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 00:15:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 00:15:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 00:15:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 00:15:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 00:15:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 00:15:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 00:15:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 00:15:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 00:15:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:15:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:15:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-29 00:15:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-29 00:15:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2023-11-29 00:15:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2023-11-29 00:15:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-29 00:15:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-29 00:15:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:15:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 00:15:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 00:15:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2023-11-29 00:15:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 00:15:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 00:15:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-29 00:15:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 00:15:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 00:15:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-11-29 00:15:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-29 00:15:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-29 00:15:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 00:15:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 00:15:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 00:15:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2023-11-29 00:15:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 00:15:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 00:15:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-29 00:15:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-29 00:15:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 00:15:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2023-11-29 00:15:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 00:15:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 00:15:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2023-11-29 00:15:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-29 00:15:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-29 00:15:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-29 00:15:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-29 00:15:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-29 00:15:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-29 00:15:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 00:15:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 00:15:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 00:15:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 00:15:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 00:15:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 00:15:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2023-11-29 00:15:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-29 00:15:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-29 00:15:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 00:15:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 00:15:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 00:15:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-29 00:15:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2023-11-29 00:15:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 00:15:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-29 00:15:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-29 00:15:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-29 00:15:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-29 00:15:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 00:15:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-29 00:15:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2023-11-29 00:15:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2023-11-29 00:15:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-29 00:15:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2023-11-29 00:15:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-29 00:15:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 00:15:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 00:15:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 00:15:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 00:15:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-29 00:15:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-29 00:15:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-29 00:15:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-29 00:15:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2023-11-29 00:15:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2023-11-29 00:15:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-29 00:15:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-29 00:15:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-29 00:15:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-29 00:15:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-29 00:15:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-29 00:15:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 00:15:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 00:15:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-29 00:15:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-29 00:15:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 00:15:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 00:15:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:15:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-29 00:15:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-29 00:15:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-29 00:15:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-29 00:15:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-29 00:15:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-29 00:15:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-29 00:15:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-29 00:15:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:15:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-29 00:15:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-29 00:15:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-29 00:15:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-29 00:15:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 00:15:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 00:15:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 00:15:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-11-29 00:15:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-11-29 00:15:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-29 00:15:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2023-11-29 00:15:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-29 00:15:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-29 00:15:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-29 00:15:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2023-11-29 00:15:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-29 00:15:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 00:15:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 00:15:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 00:15:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-29 00:15:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-29 00:15:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-29 00:15:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-29 00:15:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-29 00:15:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-29 00:15:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:15:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:15:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-29 00:15:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-29 00:15:32,848 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:15:32,852 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:15:40,641 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 00:15:42,706 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:15:42,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:15:42,985 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 00:15:42,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:15:42 BoogieIcfgContainer [2023-11-29 00:15:42,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:15:42,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:15:42,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:15:42,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:15:42,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:15:27" (1/3) ... [2023-11-29 00:15:42,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110486d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:15:42, skipping insertion in model container [2023-11-29 00:15:42,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:15:29" (2/3) ... [2023-11-29 00:15:42,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110486d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:15:42, skipping insertion in model container [2023-11-29 00:15:42,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:15:42" (3/3) ... [2023-11-29 00:15:42,995 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-29 00:15:43,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:15:43,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:15:43,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:15:43,148 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;@2afd5874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:15:43,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:15:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 2213 states, 1503 states have (on average 1.4644045242847639) internal successors, (2201), 1574 states have internal predecessors, (2201), 621 states have call successors, (621), 92 states have call predecessors, (621), 91 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) [2023-11-29 00:15:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 00:15:43,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:15:43,184 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:15:43,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:15:43,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:43,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1426288406, now seen corresponding path program 1 times [2023-11-29 00:15:43,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:43,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404721539] [2023-11-29 00:15:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:43,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:15:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:15:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:15:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:15:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:15:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:15:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:15:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:15:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:15:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:15:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:15:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:15:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:15:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:15:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:15:44,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:44,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404721539] [2023-11-29 00:15:44,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404721539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:44,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:44,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:15:44,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863828639] [2023-11-29 00:15:44,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:44,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:15:44,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:44,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:15:44,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:15:44,052 INFO L87 Difference]: Start difference. First operand has 2213 states, 1503 states have (on average 1.4644045242847639) internal successors, (2201), 1574 states have internal predecessors, (2201), 621 states have call successors, (621), 92 states have call predecessors, (621), 91 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 00:16:02,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:03,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:05,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:06,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:07,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:16:07,862 INFO L93 Difference]: Finished difference Result 6662 states and 10808 transitions. [2023-11-29 00:16:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:16:07,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2023-11-29 00:16:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:16:07,920 INFO L225 Difference]: With dead ends: 6662 [2023-11-29 00:16:07,920 INFO L226 Difference]: Without dead ends: 4424 [2023-11-29 00:16:07,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:16:07,957 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 7590 mSDsluCounter, 1610 mSDsCounter, 0 mSdLazyCounter, 8314 mSolverCounterSat, 5089 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7999 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 13404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5089 IncrementalHoareTripleChecker+Valid, 8314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:16:07,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7999 Valid, 2445 Invalid, 13404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5089 Valid, 8314 Invalid, 1 Unknown, 0 Unchecked, 23.0s Time] [2023-11-29 00:16:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2023-11-29 00:16:08,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 3783. [2023-11-29 00:16:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2574 states have (on average 1.442113442113442) internal successors, (3712), 2684 states have internal predecessors, (3712), 1037 states have call successors, (1037), 172 states have call predecessors, (1037), 171 states have return successors, (1036), 1014 states have call predecessors, (1036), 1036 states have call successors, (1036) [2023-11-29 00:16:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5785 transitions. [2023-11-29 00:16:08,368 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5785 transitions. Word has length 127 [2023-11-29 00:16:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:16:08,369 INFO L495 AbstractCegarLoop]: Abstraction has 3783 states and 5785 transitions. [2023-11-29 00:16:08,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-29 00:16:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5785 transitions. [2023-11-29 00:16:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 00:16:08,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:16:08,378 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:16:08,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:16:08,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:16:08,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:08,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1219507230, now seen corresponding path program 1 times [2023-11-29 00:16:08,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821599812] [2023-11-29 00:16:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:16:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:16:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:16:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:16:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:16:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:16:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:16:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:16:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 00:16:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:16:08,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:08,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821599812] [2023-11-29 00:16:08,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821599812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:08,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:08,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:16:08,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423057315] [2023-11-29 00:16:08,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:08,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:16:08,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:08,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:16:08,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:16:08,846 INFO L87 Difference]: Start difference. First operand 3783 states and 5785 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 00:16:17,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:18,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:20,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:29,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:16:29,764 INFO L93 Difference]: Finished difference Result 11417 states and 17780 transitions. [2023-11-29 00:16:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:16:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 137 [2023-11-29 00:16:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:16:29,826 INFO L225 Difference]: With dead ends: 11417 [2023-11-29 00:16:29,826 INFO L226 Difference]: Without dead ends: 7668 [2023-11-29 00:16:29,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:16:29,849 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 8104 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 7831 mSolverCounterSat, 5517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8632 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 13348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5517 IncrementalHoareTripleChecker+Valid, 7831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:16:29,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8632 Valid, 2375 Invalid, 13348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5517 Valid, 7831 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2023-11-29 00:16:29,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7668 states. [2023-11-29 00:16:30,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7668 to 6603. [2023-11-29 00:16:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6603 states, 4474 states have (on average 1.4351810460438086) internal successors, (6421), 4670 states have internal predecessors, (6421), 1819 states have call successors, (1819), 306 states have call predecessors, (1819), 309 states have return successors, (1840), 1772 states have call predecessors, (1840), 1818 states have call successors, (1840) [2023-11-29 00:16:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6603 states to 6603 states and 10080 transitions. [2023-11-29 00:16:30,301 INFO L78 Accepts]: Start accepts. Automaton has 6603 states and 10080 transitions. Word has length 137 [2023-11-29 00:16:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:16:30,302 INFO L495 AbstractCegarLoop]: Abstraction has 6603 states and 10080 transitions. [2023-11-29 00:16:30,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 00:16:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6603 states and 10080 transitions. [2023-11-29 00:16:30,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 00:16:30,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:16:30,307 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2023-11-29 00:16:30,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:16:30,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:16:30,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2142663411, now seen corresponding path program 1 times [2023-11-29 00:16:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:30,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272324561] [2023-11-29 00:16:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:16:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:16:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:16:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:16:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:16:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:16:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:16:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:16:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 00:16:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:16:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:16:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-29 00:16:30,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:30,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272324561] [2023-11-29 00:16:30,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272324561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:30,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:30,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:16:30,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988254236] [2023-11-29 00:16:30,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:30,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:16:30,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:30,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:16:30,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:16:30,828 INFO L87 Difference]: Start difference. First operand 6603 states and 10080 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 00:16:44,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:46,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:49,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:53,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:55,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:16:59,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:16:59,162 INFO L93 Difference]: Finished difference Result 7666 states and 12038 transitions. [2023-11-29 00:16:59,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:16:59,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 153 [2023-11-29 00:16:59,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:16:59,220 INFO L225 Difference]: With dead ends: 7666 [2023-11-29 00:16:59,220 INFO L226 Difference]: Without dead ends: 7663 [2023-11-29 00:16:59,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:16:59,228 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 3089 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 9512 mSolverCounterSat, 1483 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 10997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 9512 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:16:59,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3461 Valid, 2867 Invalid, 10997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1483 Valid, 9512 Invalid, 2 Unknown, 0 Unchecked, 27.9s Time] [2023-11-29 00:16:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7663 states. [2023-11-29 00:16:59,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7663 to 6607. [2023-11-29 00:16:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6607 states, 4478 states have (on average 1.4347923179991067) internal successors, (6425), 4674 states have internal predecessors, (6425), 1819 states have call successors, (1819), 306 states have call predecessors, (1819), 309 states have return successors, (1840), 1772 states have call predecessors, (1840), 1818 states have call successors, (1840) [2023-11-29 00:16:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6607 states to 6607 states and 10084 transitions. [2023-11-29 00:16:59,666 INFO L78 Accepts]: Start accepts. Automaton has 6607 states and 10084 transitions. Word has length 153 [2023-11-29 00:16:59,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:16:59,667 INFO L495 AbstractCegarLoop]: Abstraction has 6607 states and 10084 transitions. [2023-11-29 00:16:59,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 00:16:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6607 states and 10084 transitions. [2023-11-29 00:16:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-29 00:16:59,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:16:59,672 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 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] [2023-11-29 00:16:59,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:16:59,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:16:59,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1246129528, now seen corresponding path program 1 times [2023-11-29 00:16:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:59,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265688744] [2023-11-29 00:16:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:17:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:17:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:17:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:17:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:17:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:17:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:17:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:17:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-29 00:17:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-29 00:17:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:17:00,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265688744] [2023-11-29 00:17:00,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265688744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:17:00,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:17:00,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:17:00,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535699504] [2023-11-29 00:17:00,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:17:00,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:17:00,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:17:00,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:17:00,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:17:00,337 INFO L87 Difference]: Start difference. First operand 6607 states and 10084 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 00:17:14,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:16,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:19,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:21,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:24,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:17:29,194 INFO L93 Difference]: Finished difference Result 18372 states and 28802 transitions. [2023-11-29 00:17:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:17:29,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 155 [2023-11-29 00:17:29,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:17:29,273 INFO L225 Difference]: With dead ends: 18372 [2023-11-29 00:17:29,273 INFO L226 Difference]: Without dead ends: 11799 [2023-11-29 00:17:29,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:17:29,314 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 5984 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 13365 mSolverCounterSat, 3364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6427 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 16729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3364 IncrementalHoareTripleChecker+Valid, 13365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:17:29,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6427 Valid, 2916 Invalid, 16729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3364 Valid, 13365 Invalid, 0 Unknown, 0 Unchecked, 28.0s Time] [2023-11-29 00:17:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11799 states. [2023-11-29 00:17:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11799 to 10295. [2023-11-29 00:17:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10295 states, 6852 states have (on average 1.4198774080560421) internal successors, (9729), 7184 states have internal predecessors, (9729), 2881 states have call successors, (2881), 526 states have call predecessors, (2881), 561 states have return successors, (3164), 2798 states have call predecessors, (3164), 2880 states have call successors, (3164) [2023-11-29 00:17:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10295 states to 10295 states and 15774 transitions. [2023-11-29 00:17:29,839 INFO L78 Accepts]: Start accepts. Automaton has 10295 states and 15774 transitions. Word has length 155 [2023-11-29 00:17:29,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:17:29,840 INFO L495 AbstractCegarLoop]: Abstraction has 10295 states and 15774 transitions. [2023-11-29 00:17:29,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 00:17:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 10295 states and 15774 transitions. [2023-11-29 00:17:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-29 00:17:29,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:17:29,845 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:17:29,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:17:29,846 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:17:29,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:17:29,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1284213532, now seen corresponding path program 1 times [2023-11-29 00:17:29,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:17:29,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962641317] [2023-11-29 00:17:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:17:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:17:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:17:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:17:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:17:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:17:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:17:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:17:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:17:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:17:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:17:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:17:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 00:17:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 00:17:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 00:17:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 00:17:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:17:30,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:17:30,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962641317] [2023-11-29 00:17:30,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962641317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:17:30,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:17:30,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:17:30,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839397845] [2023-11-29 00:17:30,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:17:30,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:17:30,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:17:30,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:17:30,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:17:30,388 INFO L87 Difference]: Start difference. First operand 10295 states and 15774 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:17:43,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:47,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:50,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:54,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:56,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:17:58,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:00,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:16,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:18,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:20,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:18:21,164 INFO L93 Difference]: Finished difference Result 36941 states and 58570 transitions. [2023-11-29 00:18:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:18:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 168 [2023-11-29 00:18:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:18:21,360 INFO L225 Difference]: With dead ends: 36941 [2023-11-29 00:18:21,360 INFO L226 Difference]: Without dead ends: 26680 [2023-11-29 00:18:21,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:18:21,432 INFO L413 NwaCegarLoop]: 986 mSDtfsCounter, 11770 mSDsluCounter, 4033 mSDsCounter, 0 mSdLazyCounter, 18151 mSolverCounterSat, 9810 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12266 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 27963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9810 IncrementalHoareTripleChecker+Valid, 18151 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:18:21,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12266 Valid, 5019 Invalid, 27963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9810 Valid, 18151 Invalid, 2 Unknown, 0 Unchecked, 48.7s Time] [2023-11-29 00:18:21,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26680 states. [2023-11-29 00:18:22,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26680 to 23297. [2023-11-29 00:18:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23297 states, 15481 states have (on average 1.4153478457463988) internal successors, (21911), 16281 states have internal predecessors, (21911), 6677 states have call successors, (6677), 1051 states have call predecessors, (6677), 1138 states have return successors, (7618), 6456 states have call predecessors, (7618), 6676 states have call successors, (7618) [2023-11-29 00:18:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23297 states to 23297 states and 36206 transitions. [2023-11-29 00:18:23,054 INFO L78 Accepts]: Start accepts. Automaton has 23297 states and 36206 transitions. Word has length 168 [2023-11-29 00:18:23,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:18:23,055 INFO L495 AbstractCegarLoop]: Abstraction has 23297 states and 36206 transitions. [2023-11-29 00:18:23,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:18:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 23297 states and 36206 transitions. [2023-11-29 00:18:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 00:18:23,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:18:23,062 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:18:23,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:18:23,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:18:23,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:18:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1997074223, now seen corresponding path program 1 times [2023-11-29 00:18:23,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:18:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942828983] [2023-11-29 00:18:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:18:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:18:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:18:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:18:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:18:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:18:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:18:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:18:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:18:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:18:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:18:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:18:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:18:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:18:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:18:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:18:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-29 00:18:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 00:18:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 00:18:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-29 00:18:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:18:23,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:18:23,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942828983] [2023-11-29 00:18:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942828983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:18:23,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:18:23,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:18:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810902328] [2023-11-29 00:18:23,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:18:23,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:18:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:18:23,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:18:23,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:18:23,764 INFO L87 Difference]: Start difference. First operand 23297 states and 36206 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:18:39,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:43,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:49,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:51,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:52,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:18:54,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:12,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:16,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:19:16,261 INFO L93 Difference]: Finished difference Result 76617 states and 122028 transitions. [2023-11-29 00:19:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:19:16,261 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 169 [2023-11-29 00:19:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:19:16,624 INFO L225 Difference]: With dead ends: 76617 [2023-11-29 00:19:16,624 INFO L226 Difference]: Without dead ends: 53354 [2023-11-29 00:19:16,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:19:16,721 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 13454 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 14824 mSolverCounterSat, 10894 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13943 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 25720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10894 IncrementalHoareTripleChecker+Valid, 14824 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:19:16,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13943 Valid, 4212 Invalid, 25720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10894 Valid, 14824 Invalid, 2 Unknown, 0 Unchecked, 49.3s Time] [2023-11-29 00:19:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53354 states. [2023-11-29 00:19:19,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53354 to 46595. [2023-11-29 00:19:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46595 states, 30973 states have (on average 1.4147160430051982) internal successors, (43818), 32573 states have internal predecessors, (43818), 13341 states have call successors, (13341), 2105 states have call predecessors, (13341), 2280 states have return successors, (15364), 12900 states have call predecessors, (15364), 13340 states have call successors, (15364) [2023-11-29 00:19:19,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46595 states to 46595 states and 72523 transitions. [2023-11-29 00:19:19,742 INFO L78 Accepts]: Start accepts. Automaton has 46595 states and 72523 transitions. Word has length 169 [2023-11-29 00:19:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:19:19,743 INFO L495 AbstractCegarLoop]: Abstraction has 46595 states and 72523 transitions. [2023-11-29 00:19:19,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:19:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46595 states and 72523 transitions. [2023-11-29 00:19:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 00:19:19,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:19:19,748 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:19:19,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:19:19,748 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:19:19,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:19:19,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1887059212, now seen corresponding path program 1 times [2023-11-29 00:19:19,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:19:19,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284119726] [2023-11-29 00:19:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:19:19,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:19:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:19:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:19:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:19:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:19:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:19:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:19:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:19:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:19:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:19:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:19:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:19:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:19:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:19:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:19:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 00:19:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 00:19:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-29 00:19:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 00:19:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:19:20,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:19:20,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284119726] [2023-11-29 00:19:20,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284119726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:19:20,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:19:20,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:19:20,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920010066] [2023-11-29 00:19:20,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:19:20,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:19:20,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:19:20,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:19:20,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:19:20,190 INFO L87 Difference]: Start difference. First operand 46595 states and 72523 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:19:45,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:47,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:51,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:52,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:56,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:57,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:19:59,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:02,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:05,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:09,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:12,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:13,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:17,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:20,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:20:34,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:20:34,606 INFO L93 Difference]: Finished difference Result 153283 states and 244605 transitions. [2023-11-29 00:20:34,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:20:34,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 167 [2023-11-29 00:20:34,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:20:35,225 INFO L225 Difference]: With dead ends: 153283 [2023-11-29 00:20:35,225 INFO L226 Difference]: Without dead ends: 106722 [2023-11-29 00:20:35,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:20:35,451 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 10754 mSDsluCounter, 5287 mSDsCounter, 0 mSdLazyCounter, 21780 mSolverCounterSat, 8125 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11252 SdHoareTripleChecker+Valid, 6689 SdHoareTripleChecker+Invalid, 29907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8125 IncrementalHoareTripleChecker+Valid, 21780 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:20:35,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11252 Valid, 6689 Invalid, 29907 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8125 Valid, 21780 Invalid, 2 Unknown, 0 Unchecked, 68.0s Time] [2023-11-29 00:20:35,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106722 states. [2023-11-29 00:20:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106722 to 93051. [2023-11-29 00:20:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93051 states, 61841 states have (on average 1.414821881922996) internal successors, (87494), 65089 states have internal predecessors, (87494), 26653 states have call successors, (26653), 4205 states have call predecessors, (26653), 4556 states have return successors, (30964), 25724 states have call predecessors, (30964), 26652 states have call successors, (30964) [2023-11-29 00:20:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93051 states to 93051 states and 145111 transitions. [2023-11-29 00:20:41,088 INFO L78 Accepts]: Start accepts. Automaton has 93051 states and 145111 transitions. Word has length 167 [2023-11-29 00:20:41,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:20:41,088 INFO L495 AbstractCegarLoop]: Abstraction has 93051 states and 145111 transitions. [2023-11-29 00:20:41,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:20:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 93051 states and 145111 transitions. [2023-11-29 00:20:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 00:20:41,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:20:41,098 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:20:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:20:41,098 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:20:41,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:20:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 850692761, now seen corresponding path program 1 times [2023-11-29 00:20:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:20:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209947997] [2023-11-29 00:20:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:20:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:20:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:20:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:20:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:20:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:20:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:20:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:20:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:20:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:20:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:20:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:20:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:20:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:20:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:20:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:20:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 00:20:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 00:20:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 00:20:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-29 00:20:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:20:41,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:20:41,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209947997] [2023-11-29 00:20:41,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209947997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:20:41,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:20:41,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 00:20:41,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337415691] [2023-11-29 00:20:41,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:20:41,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:20:41,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:20:41,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:20:41,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:20:41,688 INFO L87 Difference]: Start difference. First operand 93051 states and 145111 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:21:01,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:03,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:05,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:07,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:11,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:15,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:17,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:42,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:43,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:21:44,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:21:44,351 INFO L93 Difference]: Finished difference Result 303707 states and 485722 transitions. [2023-11-29 00:21:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 00:21:44,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 170 [2023-11-29 00:21:44,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:21:45,925 INFO L225 Difference]: With dead ends: 303707 [2023-11-29 00:21:45,925 INFO L226 Difference]: Without dead ends: 210690 [2023-11-29 00:21:46,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:21:46,411 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 12386 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 16540 mSolverCounterSat, 9047 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12874 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 25590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9047 IncrementalHoareTripleChecker+Valid, 16540 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:21:46,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12874 Valid, 4653 Invalid, 25590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9047 Valid, 16540 Invalid, 3 Unknown, 0 Unchecked, 50.6s Time] [2023-11-29 00:21:46,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210690 states. [2023-11-29 00:21:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210690 to 184013. [2023-11-29 00:21:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184013 states, 122251 states have (on average 1.4136244284300332) internal successors, (172817), 128673 states have internal predecessors, (172817), 52726 states have call successors, (52726), 8337 states have call predecessors, (52726), 9035 states have return successors, (61760), 50899 states have call predecessors, (61760), 52725 states have call successors, (61760) [2023-11-29 00:21:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184013 states to 184013 states and 287303 transitions. [2023-11-29 00:21:59,055 INFO L78 Accepts]: Start accepts. Automaton has 184013 states and 287303 transitions. Word has length 170 [2023-11-29 00:21:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:21:59,056 INFO L495 AbstractCegarLoop]: Abstraction has 184013 states and 287303 transitions. [2023-11-29 00:21:59,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-29 00:21:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 184013 states and 287303 transitions. [2023-11-29 00:21:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-29 00:21:59,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:21:59,067 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 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] [2023-11-29 00:21:59,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:21:59,067 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:21:59,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:21:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash 649106501, now seen corresponding path program 1 times [2023-11-29 00:21:59,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:21:59,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201190621] [2023-11-29 00:21:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:21:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:21:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:21:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:21:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:21:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:21:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:21:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:21:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:21:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:21:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:21:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:21:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:21:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:21:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:21:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:21:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 00:22:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 00:22:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 00:22:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 00:22:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 00:22:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-29 00:22:00,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:22:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201190621] [2023-11-29 00:22:00,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201190621] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:22:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179070843] [2023-11-29 00:22:00,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:00,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:22:00,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:22:00,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:22:00,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:22:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:01,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 1981 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:22:01,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:22:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:22:01,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:22:01,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179070843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:22:01,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:22:01,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2023-11-29 00:22:01,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642025710] [2023-11-29 00:22:01,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:22:01,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:22:01,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:22:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:22:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:22:01,298 INFO L87 Difference]: Start difference. First operand 184013 states and 287303 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 00:22:05,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:09,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:11,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:13,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:15,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:17,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:21,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:25,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:27,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:30,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:22:44,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:22:44,711 INFO L93 Difference]: Finished difference Result 459697 states and 717823 transitions. [2023-11-29 00:22:44,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:22:44,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 180 [2023-11-29 00:22:44,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:22:46,758 INFO L225 Difference]: With dead ends: 459697 [2023-11-29 00:22:46,758 INFO L226 Difference]: Without dead ends: 275718 [2023-11-29 00:22:47,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:22:47,733 INFO L413 NwaCegarLoop]: 5185 mSDtfsCounter, 3395 mSDsluCounter, 23917 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 29102 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:22:47,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 29102 Invalid, 1364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1355 Invalid, 2 Unknown, 0 Unchecked, 28.8s Time] [2023-11-29 00:22:47,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275718 states. [2023-11-29 00:23:03,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275718 to 275085. [2023-11-29 00:23:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275085 states, 182771 states have (on average 1.4136104743093816) internal successors, (258367), 192415 states have internal predecessors, (258367), 78783 states have call successors, (78783), 12453 states have call predecessors, (78783), 13530 states have return successors, (92568), 76042 states have call predecessors, (92568), 78782 states have call successors, (92568) [2023-11-29 00:23:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275085 states to 275085 states and 429718 transitions. [2023-11-29 00:23:05,995 INFO L78 Accepts]: Start accepts. Automaton has 275085 states and 429718 transitions. Word has length 180 [2023-11-29 00:23:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:23:05,995 INFO L495 AbstractCegarLoop]: Abstraction has 275085 states and 429718 transitions. [2023-11-29 00:23:05,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 00:23:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 275085 states and 429718 transitions. [2023-11-29 00:23:06,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 00:23:06,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:23:06,003 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2023-11-29 00:23:06,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:23:06,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:23:06,204 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:23:06,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:06,205 INFO L85 PathProgramCache]: Analyzing trace with hash -20225288, now seen corresponding path program 1 times [2023-11-29 00:23:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:06,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773540334] [2023-11-29 00:23:06,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:23:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:23:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:23:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:23:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:23:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:23:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:23:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:23:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:23:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:23:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:23:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:23:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:23:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:06,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:23:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 00:23:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-29 00:23:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 00:23:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 00:23:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 00:23:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:23:07,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:23:07,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773540334] [2023-11-29 00:23:07,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773540334] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:23:07,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503370327] [2023-11-29 00:23:07,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:07,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:23:07,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:07,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:23:07,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:23:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:08,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:23:08,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:23:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:23:08,212 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:23:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503370327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:23:08,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:23:08,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2023-11-29 00:23:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591877242] [2023-11-29 00:23:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:23:08,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:23:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:23:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:23:08,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:23:08,215 INFO L87 Difference]: Start difference. First operand 275085 states and 429718 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 00:23:13,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:17,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:18,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:20,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:23,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:26,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:29,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:31,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:35,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:37,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:39,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:23:59,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:23:59,528 INFO L93 Difference]: Finished difference Result 642053 states and 1002837 transitions. [2023-11-29 00:23:59,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:23:59,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 181 [2023-11-29 00:23:59,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:24:02,287 INFO L225 Difference]: With dead ends: 642053 [2023-11-29 00:24:02,287 INFO L226 Difference]: Without dead ends: 367002 [2023-11-29 00:24:04,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:24:04,029 INFO L413 NwaCegarLoop]: 5199 mSDtfsCounter, 3396 mSDsluCounter, 23960 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 29159 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:24:04,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 29159 Invalid, 1362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 30.8s Time] [2023-11-29 00:24:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367002 states. [2023-11-29 00:24:24,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367002 to 366293. [2023-11-29 00:24:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366293 states, 243379 states have (on average 1.4134539134436415) internal successors, (344005), 256301 states have internal predecessors, (344005), 104840 states have call successors, (104840), 16569 states have call predecessors, (104840), 18073 states have return successors, (123424), 101177 states have call predecessors, (123424), 104839 states have call successors, (123424) [2023-11-29 00:24:27,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366293 states to 366293 states and 572269 transitions. [2023-11-29 00:24:27,587 INFO L78 Accepts]: Start accepts. Automaton has 366293 states and 572269 transitions. Word has length 181 [2023-11-29 00:24:27,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:24:27,587 INFO L495 AbstractCegarLoop]: Abstraction has 366293 states and 572269 transitions. [2023-11-29 00:24:27,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 00:24:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 366293 states and 572269 transitions. [2023-11-29 00:24:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-29 00:24:27,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:24:27,599 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2023-11-29 00:24:27,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:24:27,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 00:24:27,800 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:24:27,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:27,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1755554110, now seen corresponding path program 1 times [2023-11-29 00:24:27,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:27,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001486783] [2023-11-29 00:24:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:27,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:24:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:24:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:24:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:24:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:24:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 00:24:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:24:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 00:24:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 00:24:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 00:24:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 00:24:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-29 00:24:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 00:24:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:24:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 00:24:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 00:24:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 00:24:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 00:24:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 00:24:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:24:28,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:24:28,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001486783] [2023-11-29 00:24:28,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001486783] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:24:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696302693] [2023-11-29 00:24:28,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:24:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:24:28,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:24:28,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885e2bd0-4d65-4ebe-9bfb-e732e5d11ed2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:24:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:29,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:24:29,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:24:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-29 00:24:29,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:24:29,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696302693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:24:29,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:24:29,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2023-11-29 00:24:29,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552195942] [2023-11-29 00:24:29,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:24:29,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:24:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:24:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:24:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:24:29,873 INFO L87 Difference]: Start difference. First operand 366293 states and 572269 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 00:24:35,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:37,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:41,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:43,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:47,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:51,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:53,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:55,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:56,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 00:24:59,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []