./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB --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 8afd520e35bf94161b4703cf7a8c62b5d2ce1a52da561febbd6a8e48d6e9139e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:22:48,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:22:48,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:22:48,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:22:48,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:22:48,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:22:48,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:22:48,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:22:48,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:22:48,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:22:48,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:22:48,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:22:48,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:22:48,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:22:48,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:22:48,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:22:48,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:22:48,480 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:22:48,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:22:48,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:22:48,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:22:48,482 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8afd520e35bf94161b4703cf7a8c62b5d2ce1a52da561febbd6a8e48d6e9139e [2024-11-27 23:22:48,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:22:48,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:22:48,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:22:48,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:22:48,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:22:48,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-27 23:22:51,907 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/data/3650105b5/a8b6f8cdbf8548f49621a6fe43ce09fa/FLAG693477328 [2024-11-27 23:22:52,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:22:52,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-27 23:22:52,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/data/3650105b5/a8b6f8cdbf8548f49621a6fe43ce09fa/FLAG693477328 [2024-11-27 23:22:52,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/data/3650105b5/a8b6f8cdbf8548f49621a6fe43ce09fa [2024-11-27 23:22:52,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:22:52,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:22:52,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:22:52,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:22:52,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:22:52,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:52" (1/1) ... [2024-11-27 23:22:52,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea61e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52, skipping insertion in model container [2024-11-27 23:22:52,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:52" (1/1) ... [2024-11-27 23:22:53,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:22:55,509 WARN L250 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_f09da619-e834-4e0a-9133-3b3c5ab9355f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-11-27 23:22:55,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:22:55,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:22:55,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5752-5753] [2024-11-27 23:22:55,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5760] [2024-11-27 23:22:55,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5781] [2024-11-27 23:22:55,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5784] [2024-11-27 23:22:55,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5787] [2024-11-27 23:22:55,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5790] [2024-11-27 23:22:56,041 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/media/firewire/firedtv.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/17/dscv_tempdir/dscv/ri/32_7a/drivers/media/firewire/firedtv-avc.c.prepared"), "i" (659), "i" (12UL)); [6630-6631] [2024-11-27 23:22:56,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [8238] [2024-11-27 23:22:56,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr)); [8245] [2024-11-27 23:22:56,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9121] [2024-11-27 23:22:56,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9352] [2024-11-27 23:22:56,267 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"); [9748] [2024-11-27 23:22:56,286 WARN L250 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_f09da619-e834-4e0a-9133-3b3c5ab9355f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2024-11-27 23:22:56,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:22:56,467 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:22:56,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56 WrapperNode [2024-11-27 23:22:56,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:22:56,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:22:56,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:22:56,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:22:56,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:56,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:56,880 INFO L138 Inliner]: procedures = 341, calls = 1954, calls flagged for inlining = 159, calls inlined = 155, statements flattened = 5598 [2024-11-27 23:22:56,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:22:56,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:22:56,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:22:56,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:22:56,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:56,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:56,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:57,708 INFO L175 MemorySlicer]: Split 1171 memory accesses to 25 slices as follows [4, 6, 3, 42, 17, 834, 2, 40, 1, 1, 26, 8, 24, 4, 6, 3, 1, 10, 2, 8, 2, 55, 16, 19, 37]. 71 percent of accesses are in the largest equivalence class. The 131 initializations are split as follows [0, 6, 0, 0, 0, 10, 2, 40, 0, 0, 0, 8, 24, 4, 4, 0, 0, 10, 2, 5, 0, 0, 16, 0, 0]. The 677 writes are split as follows [4, 0, 1, 27, 16, 493, 0, 0, 0, 0, 26, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 54, 0, 19, 35]. [2024-11-27 23:22:57,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:57,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:57,891 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:57,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:57,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:58,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:58,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:58,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:22:58,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:22:58,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:22:58,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:22:58,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (1/1) ... [2024-11-27 23:22:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:22:58,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:58,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:22:58,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:22:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure queue_iso [2024-11-27 23:22:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_iso [2024-11-27 23:22:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-27 23:22:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-27 23:22:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_channel [2024-11-27 23:22:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_channel [2024-11-27 23:22:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2024-11-27 23:22:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2024-11-27 23:22:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_establish_pp_connection [2024-11-27 23:22:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_establish_pp_connection [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 23:22:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure node_req [2024-11-27 23:22:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure node_req [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 23:22:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 23:22:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:22:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:22:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:22:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 23:22:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_lock [2024-11-27 23:22:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_lock [2024-11-27 23:22:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-27 23:22:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure cmp_read [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cmp_read [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_demux_mutex_of_firedtv [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 23:22:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 23:22:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 23:22:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure pad_operands [2024-11-27 23:22:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_operands [2024-11-27 23:22:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_set_pids [2024-11-27 23:22:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_set_pids [2024-11-27 23:22:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_ca_io_poll [2024-11-27 23:22:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_ca_io_poll [2024-11-27 23:22:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-27 23:22:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-27 23:22:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_release [2024-11-27 23:22:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_release [2024-11-27 23:22:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure clear_operands [2024-11-27 23:22:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_operands [2024-11-27 23:22:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 23:22:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_generic_open [2024-11-27 23:22:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_generic_open [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-27 23:22:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure avc_write [2024-11-27 23:22:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_write [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_opcr [2024-11-27 23:22:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_opcr [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:22:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:22:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 23:22:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 23:22:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 23:22:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 23:22:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 23:22:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 23:22:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 23:22:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 23:22:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 23:22:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-27 23:22:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure collect_channels [2024-11-27 23:22:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_channels [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:22:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 23:22:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_context_destroy [2024-11-27 23:22:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_context_destroy [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_unregister_rc [2024-11-27 23:22:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_unregister_rc [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:22:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure avc_tuner_status [2024-11-27 23:22:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_tuner_status [2024-11-27 23:22:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 23:22:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 23:22:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-27 23:22:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-27 23:22:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 23:22:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 23:22:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-27 23:22:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-11-27 23:22:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_avc_mutex_of_firedtv [2024-11-27 23:22:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 23:22:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-27 23:22:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2024-11-27 23:22:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:22:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:22:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:22:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 23:22:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 23:22:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2024-11-27 23:22:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure add_pid_filter [2024-11-27 23:22:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pid_filter [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:22:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:22:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 23:22:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure is_register_rc [2024-11-27 23:22:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure is_register_rc [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure dealloc_channel [2024-11-27 23:22:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dealloc_channel [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:22:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 23:22:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 23:22:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-27 23:22:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-27 23:22:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:22:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-27 23:22:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:22:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-11-27 23:22:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_avc_mutex_of_firedtv [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure debug_fcp [2024-11-27 23:22:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_fcp [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-27 23:22:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-27 23:22:58,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-27 23:22:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-27 23:22:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2024-11-27 23:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:22:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure set_opcr [2024-11-27 23:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure set_opcr [2024-11-27 23:22:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure fw_iso_buffer_destroy [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_iso_buffer_destroy [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_ca_object_pos [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ca_object_pos [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure node_update [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure node_update [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure avc_register_remote_control [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure avc_register_remote_control [2024-11-27 23:22:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-27 23:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 23:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure device_of [2024-11-27 23:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure device_of [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-11-27 23:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demux_mutex_of_firedtv [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_remove_address_handler [2024-11-27 23:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_remove_address_handler [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 23:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:22:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:22:59,571 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:22:59,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:23:22,530 INFO L? ?]: Removed 2572 outVars from TransFormulas that were not future-live. [2024-11-27 23:23:22,531 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:23:22,590 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:23:22,590 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 23:23:22,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:22 BoogieIcfgContainer [2024-11-27 23:23:22,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:23:22,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:23:22,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:23:22,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:23:22,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:22:52" (1/3) ... [2024-11-27 23:23:22,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d6137d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:22, skipping insertion in model container [2024-11-27 23:23:22,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:56" (2/3) ... [2024-11-27 23:23:22,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d6137d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:23:22, skipping insertion in model container [2024-11-27 23:23:22,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:23:22" (3/3) ... [2024-11-27 23:23:22,607 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2024-11-27 23:23:22,626 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:23:22,629 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i that has 93 procedures, 1745 locations, 1 initial locations, 52 loop locations, and 1 error locations. [2024-11-27 23:23:22,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:23:22,763 INFO L333 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, 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;@6fcfba91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:23:22,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:23:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 1625 states, 1276 states have (on average 1.402037617554859) internal successors, (1789), 1302 states have internal predecessors, (1789), 279 states have call successors, (279), 68 states have call predecessors, (279), 68 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-27 23:23:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-27 23:23:22,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:22,782 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:22,782 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:22,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:22,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1353883672, now seen corresponding path program 1 times [2024-11-27 23:23:22,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555026891] [2024-11-27 23:23:22,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:28,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555026891] [2024-11-27 23:23:28,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555026891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:28,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:28,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:23:28,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227081325] [2024-11-27 23:23:28,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:28,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:28,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:28,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:28,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:28,881 INFO L87 Difference]: Start difference. First operand has 1625 states, 1276 states have (on average 1.402037617554859) internal successors, (1789), 1302 states have internal predecessors, (1789), 279 states have call successors, (279), 68 states have call predecessors, (279), 68 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:29,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:29,458 INFO L93 Difference]: Finished difference Result 4648 states and 6821 transitions. [2024-11-27 23:23:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-27 23:23:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:29,512 INFO L225 Difference]: With dead ends: 4648 [2024-11-27 23:23:29,513 INFO L226 Difference]: Without dead ends: 3016 [2024-11-27 23:23:29,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:29,543 INFO L435 NwaCegarLoop]: 2492 mSDtfsCounter, 1975 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 4791 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:29,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 4791 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:29,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2024-11-27 23:23:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 2998. [2024-11-27 23:23:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2369 states have (on average 1.382861967074715) internal successors, (3276), 2410 states have internal predecessors, (3276), 494 states have call successors, (494), 135 states have call predecessors, (494), 134 states have return successors, (485), 484 states have call predecessors, (485), 485 states have call successors, (485) [2024-11-27 23:23:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 4255 transitions. [2024-11-27 23:23:29,879 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 4255 transitions. Word has length 17 [2024-11-27 23:23:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:29,879 INFO L471 AbstractCegarLoop]: Abstraction has 2998 states and 4255 transitions. [2024-11-27 23:23:29,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 4255 transitions. [2024-11-27 23:23:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 23:23:29,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:29,882 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:29,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:23:29,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:29,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:29,883 INFO L85 PathProgramCache]: Analyzing trace with hash 21471368, now seen corresponding path program 1 times [2024-11-27 23:23:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:29,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579341895] [2024-11-27 23:23:29,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:34,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:34,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579341895] [2024-11-27 23:23:34,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579341895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:34,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:34,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:23:34,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114251702] [2024-11-27 23:23:34,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:34,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:34,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:34,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:34,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:34,458 INFO L87 Difference]: Start difference. First operand 2998 states and 4255 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:38,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:39,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:39,122 INFO L93 Difference]: Finished difference Result 3230 states and 4573 transitions. [2024-11-27 23:23:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:39,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-27 23:23:39,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:39,145 INFO L225 Difference]: With dead ends: 3230 [2024-11-27 23:23:39,145 INFO L226 Difference]: Without dead ends: 3226 [2024-11-27 23:23:39,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:39,150 INFO L435 NwaCegarLoop]: 2303 mSDtfsCounter, 1466 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 3278 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:39,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 3278 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:23:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2024-11-27 23:23:39,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3224. [2024-11-27 23:23:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3224 states, 2573 states have (on average 1.3902059852312476) internal successors, (3577), 2614 states have internal predecessors, (3577), 498 states have call successors, (498), 153 states have call predecessors, (498), 152 states have return successors, (491), 490 states have call predecessors, (491), 491 states have call successors, (491) [2024-11-27 23:23:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 4566 transitions. [2024-11-27 23:23:39,402 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 4566 transitions. Word has length 19 [2024-11-27 23:23:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:39,402 INFO L471 AbstractCegarLoop]: Abstraction has 3224 states and 4566 transitions. [2024-11-27 23:23:39,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 4566 transitions. [2024-11-27 23:23:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-27 23:23:39,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:39,407 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:39,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:23:39,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:39,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:39,408 INFO L85 PathProgramCache]: Analyzing trace with hash 665134888, now seen corresponding path program 1 times [2024-11-27 23:23:39,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694654028] [2024-11-27 23:23:39,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:43,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:43,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694654028] [2024-11-27 23:23:43,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694654028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:43,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:43,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:23:43,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66384663] [2024-11-27 23:23:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:43,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:43,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:43,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:43,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:43,950 INFO L87 Difference]: Start difference. First operand 3224 states and 4566 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:48,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:48,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:48,564 INFO L93 Difference]: Finished difference Result 3226 states and 4567 transitions. [2024-11-27 23:23:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-27 23:23:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:48,586 INFO L225 Difference]: With dead ends: 3226 [2024-11-27 23:23:48,587 INFO L226 Difference]: Without dead ends: 3223 [2024-11-27 23:23:48,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:48,593 INFO L435 NwaCegarLoop]: 2295 mSDtfsCounter, 2279 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:48,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 2295 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:23:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2024-11-27 23:23:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3223. [2024-11-27 23:23:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 2573 states have (on average 1.3898173338515352) internal successors, (3576), 2613 states have internal predecessors, (3576), 497 states have call successors, (497), 153 states have call predecessors, (497), 152 states have return successors, (491), 490 states have call predecessors, (491), 491 states have call successors, (491) [2024-11-27 23:23:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4564 transitions. [2024-11-27 23:23:48,791 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4564 transitions. Word has length 20 [2024-11-27 23:23:48,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:48,792 INFO L471 AbstractCegarLoop]: Abstraction has 3223 states and 4564 transitions. [2024-11-27 23:23:48,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:48,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4564 transitions. [2024-11-27 23:23:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-27 23:23:48,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:48,796 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:48,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:23:48,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:48,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:48,797 INFO L85 PathProgramCache]: Analyzing trace with hash -856127605, now seen corresponding path program 1 times [2024-11-27 23:23:48,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:48,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269353735] [2024-11-27 23:23:48,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:23:53,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269353735] [2024-11-27 23:23:53,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269353735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:53,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:53,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:23:53,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363577770] [2024-11-27 23:23:53,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:53,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:23:53,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:53,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:23:53,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:53,075 INFO L87 Difference]: Start difference. First operand 3223 states and 4564 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:57,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:57,912 INFO L93 Difference]: Finished difference Result 9639 states and 13729 transitions. [2024-11-27 23:23:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:57,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-27 23:23:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:57,954 INFO L225 Difference]: With dead ends: 9639 [2024-11-27 23:23:57,955 INFO L226 Difference]: Without dead ends: 6419 [2024-11-27 23:23:57,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:23:57,970 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 2281 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:57,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4754 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:23:57,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2024-11-27 23:23:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6405. [2024-11-27 23:23:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 5120 states have (on average 1.390234375) internal successors, (7118), 5201 states have internal predecessors, (7118), 982 states have call successors, (982), 304 states have call predecessors, (982), 302 states have return successors, (1014), 967 states have call predecessors, (1014), 974 states have call successors, (1014) [2024-11-27 23:23:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9114 transitions. [2024-11-27 23:23:58,271 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9114 transitions. Word has length 21 [2024-11-27 23:23:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:58,272 INFO L471 AbstractCegarLoop]: Abstraction has 6405 states and 9114 transitions. [2024-11-27 23:23:58,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:23:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9114 transitions. [2024-11-27 23:23:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-27 23:23:58,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:58,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:58,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:23:58,274 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:58,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash -770619765, now seen corresponding path program 1 times [2024-11-27 23:23:58,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:58,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264461728] [2024-11-27 23:23:58,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:01,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264461728] [2024-11-27 23:24:01,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264461728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:01,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:01,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:01,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434987278] [2024-11-27 23:24:01,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:01,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:01,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:01,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:01,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:01,695 INFO L87 Difference]: Start difference. First operand 6405 states and 9114 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:05,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:06,326 INFO L93 Difference]: Finished difference Result 6407 states and 9115 transitions. [2024-11-27 23:24:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:06,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-27 23:24:06,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:06,367 INFO L225 Difference]: With dead ends: 6407 [2024-11-27 23:24:06,367 INFO L226 Difference]: Without dead ends: 6404 [2024-11-27 23:24:06,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:06,373 INFO L435 NwaCegarLoop]: 2293 mSDtfsCounter, 2275 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:06,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 2293 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:24:06,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6404 states. [2024-11-27 23:24:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6404 to 6404. [2024-11-27 23:24:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6404 states, 5120 states have (on average 1.3900390625) internal successors, (7117), 5200 states have internal predecessors, (7117), 981 states have call successors, (981), 304 states have call predecessors, (981), 302 states have return successors, (1014), 967 states have call predecessors, (1014), 974 states have call successors, (1014) [2024-11-27 23:24:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6404 states to 6404 states and 9112 transitions. [2024-11-27 23:24:06,750 INFO L78 Accepts]: Start accepts. Automaton has 6404 states and 9112 transitions. Word has length 22 [2024-11-27 23:24:06,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:06,751 INFO L471 AbstractCegarLoop]: Abstraction has 6404 states and 9112 transitions. [2024-11-27 23:24:06,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 6404 states and 9112 transitions. [2024-11-27 23:24:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-27 23:24:06,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:06,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:06,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:24:06,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:06,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:06,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1880128142, now seen corresponding path program 1 times [2024-11-27 23:24:06,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:06,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666158549] [2024-11-27 23:24:06,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:10,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:10,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666158549] [2024-11-27 23:24:10,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666158549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:10,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:10,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:10,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489838744] [2024-11-27 23:24:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:10,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:10,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:10,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:10,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:10,418 INFO L87 Difference]: Start difference. First operand 6404 states and 9112 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:14,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:14,700 INFO L93 Difference]: Finished difference Result 6406 states and 9113 transitions. [2024-11-27 23:24:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:15,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-27 23:24:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:15,265 INFO L225 Difference]: With dead ends: 6406 [2024-11-27 23:24:15,265 INFO L226 Difference]: Without dead ends: 6392 [2024-11-27 23:24:15,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:15,272 INFO L435 NwaCegarLoop]: 2292 mSDtfsCounter, 2272 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:15,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 2292 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:24:15,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2024-11-27 23:24:15,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6392. [2024-11-27 23:24:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6392 states, 5111 states have (on average 1.3897476032087654) internal successors, (7103), 5189 states have internal predecessors, (7103), 978 states have call successors, (978), 304 states have call predecessors, (978), 302 states have return successors, (1012), 966 states have call predecessors, (1012), 972 states have call successors, (1012) [2024-11-27 23:24:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6392 states to 6392 states and 9093 transitions. [2024-11-27 23:24:15,639 INFO L78 Accepts]: Start accepts. Automaton has 6392 states and 9093 transitions. Word has length 23 [2024-11-27 23:24:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:15,639 INFO L471 AbstractCegarLoop]: Abstraction has 6392 states and 9093 transitions. [2024-11-27 23:24:15,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:24:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 6392 states and 9093 transitions. [2024-11-27 23:24:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-27 23:24:15,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:15,650 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:15,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:24:15,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:15,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:15,651 INFO L85 PathProgramCache]: Analyzing trace with hash 151704681, now seen corresponding path program 1 times [2024-11-27 23:24:15,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:15,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110864245] [2024-11-27 23:24:15,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:24:21,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:21,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110864245] [2024-11-27 23:24:21,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110864245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:21,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:21,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:21,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150288668] [2024-11-27 23:24:21,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:21,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:21,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:21,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:21,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:21,133 INFO L87 Difference]: Start difference. First operand 6392 states and 9093 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:24:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:21,860 INFO L93 Difference]: Finished difference Result 12755 states and 18145 transitions. [2024-11-27 23:24:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:21,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2024-11-27 23:24:21,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:21,898 INFO L225 Difference]: With dead ends: 12755 [2024-11-27 23:24:21,899 INFO L226 Difference]: Without dead ends: 6366 [2024-11-27 23:24:21,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:21,921 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 2250 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 4524 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:21,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 4524 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:24:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6366 states. [2024-11-27 23:24:22,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6366 to 6366. [2024-11-27 23:24:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 5095 states have (on average 1.3901864573110894) internal successors, (7083), 5173 states have internal predecessors, (7083), 968 states have call successors, (968), 304 states have call predecessors, (968), 302 states have return successors, (1002), 956 states have call predecessors, (1002), 962 states have call successors, (1002) [2024-11-27 23:24:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 9053 transitions. [2024-11-27 23:24:22,259 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 9053 transitions. Word has length 55 [2024-11-27 23:24:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:22,261 INFO L471 AbstractCegarLoop]: Abstraction has 6366 states and 9053 transitions. [2024-11-27 23:24:22,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 23:24:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 9053 transitions. [2024-11-27 23:24:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 23:24:22,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:22,273 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:22,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:24:22,273 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:22,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2047356253, now seen corresponding path program 1 times [2024-11-27 23:24:22,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:22,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040884212] [2024-11-27 23:24:22,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:22,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:24:27,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:27,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040884212] [2024-11-27 23:24:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040884212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:27,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:27,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606085380] [2024-11-27 23:24:27,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:27,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:27,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:27,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:27,271 INFO L87 Difference]: Start difference. First operand 6366 states and 9053 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:24:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:28,050 INFO L93 Difference]: Finished difference Result 12339 states and 17533 transitions. [2024-11-27 23:24:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:24:28,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-27 23:24:28,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:28,094 INFO L225 Difference]: With dead ends: 12339 [2024-11-27 23:24:28,094 INFO L226 Difference]: Without dead ends: 5976 [2024-11-27 23:24:28,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:24:28,116 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 1970 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 5944 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:28,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 5944 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:24:28,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-27 23:24:28,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-11-27 23:24:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4805 states have (on average 1.3937565036420396) internal successors, (6697), 4883 states have internal predecessors, (6697), 872 states have call successors, (872), 300 states have call predecessors, (872), 298 states have return successors, (906), 860 states have call predecessors, (906), 866 states have call successors, (906) [2024-11-27 23:24:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8475 transitions. [2024-11-27 23:24:28,506 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8475 transitions. Word has length 68 [2024-11-27 23:24:28,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:28,506 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8475 transitions. [2024-11-27 23:24:28,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:24:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8475 transitions. [2024-11-27 23:24:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 23:24:28,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:28,518 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:28,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:24:28,518 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:28,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:28,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1975101137, now seen corresponding path program 1 times [2024-11-27 23:24:28,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:28,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066663217] [2024-11-27 23:24:28,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:28,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:24:32,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:32,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066663217] [2024-11-27 23:24:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066663217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:32,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:32,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492002887] [2024-11-27 23:24:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:32,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:32,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:32,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:32,827 INFO L87 Difference]: Start difference. First operand 5976 states and 8475 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:24:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:33,268 INFO L93 Difference]: Finished difference Result 11949 states and 16947 transitions. [2024-11-27 23:24:33,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:33,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-27 23:24:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:33,306 INFO L225 Difference]: With dead ends: 11949 [2024-11-27 23:24:33,306 INFO L226 Difference]: Without dead ends: 5976 [2024-11-27 23:24:33,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:33,334 INFO L435 NwaCegarLoop]: 1987 mSDtfsCounter, 0 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:33,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3966 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-27 23:24:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2024-11-27 23:24:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4805 states have (on average 1.3933402705515088) internal successors, (6695), 4883 states have internal predecessors, (6695), 872 states have call successors, (872), 300 states have call predecessors, (872), 298 states have return successors, (906), 860 states have call predecessors, (906), 866 states have call successors, (906) [2024-11-27 23:24:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8473 transitions. [2024-11-27 23:24:33,680 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8473 transitions. Word has length 72 [2024-11-27 23:24:33,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:33,682 INFO L471 AbstractCegarLoop]: Abstraction has 5976 states and 8473 transitions. [2024-11-27 23:24:33,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:24:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8473 transitions. [2024-11-27 23:24:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 23:24:33,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:33,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:33,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:24:33,689 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:33,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1663288278, now seen corresponding path program 1 times [2024-11-27 23:24:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:33,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619106185] [2024-11-27 23:24:33,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:38,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:38,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619106185] [2024-11-27 23:24:38,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619106185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:38,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:38,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:38,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087704985] [2024-11-27 23:24:38,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:38,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:38,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:38,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:38,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:38,193 INFO L87 Difference]: Start difference. First operand 5976 states and 8473 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:38,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:38,895 INFO L93 Difference]: Finished difference Result 13496 states and 19147 transitions. [2024-11-27 23:24:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:38,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2024-11-27 23:24:38,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:38,928 INFO L225 Difference]: With dead ends: 13496 [2024-11-27 23:24:38,928 INFO L226 Difference]: Without dead ends: 7523 [2024-11-27 23:24:38,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:38,944 INFO L435 NwaCegarLoop]: 2186 mSDtfsCounter, 576 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 4156 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:38,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 4156 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:24:38,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2024-11-27 23:24:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 7514. [2024-11-27 23:24:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7514 states, 6125 states have (on average 1.409795918367347) internal successors, (8635), 6223 states have internal predecessors, (8635), 998 states have call successors, (998), 392 states have call predecessors, (998), 390 states have return successors, (1032), 984 states have call predecessors, (1032), 992 states have call successors, (1032) [2024-11-27 23:24:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7514 states to 7514 states and 10665 transitions. [2024-11-27 23:24:39,289 INFO L78 Accepts]: Start accepts. Automaton has 7514 states and 10665 transitions. Word has length 82 [2024-11-27 23:24:39,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:39,289 INFO L471 AbstractCegarLoop]: Abstraction has 7514 states and 10665 transitions. [2024-11-27 23:24:39,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:24:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 7514 states and 10665 transitions. [2024-11-27 23:24:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-27 23:24:39,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:39,296 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:39,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:24:39,297 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:39,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1136029983, now seen corresponding path program 1 times [2024-11-27 23:24:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359539214] [2024-11-27 23:24:39,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:24:43,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:43,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359539214] [2024-11-27 23:24:43,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359539214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:43,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:43,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:43,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765245466] [2024-11-27 23:24:43,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:43,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:43,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:43,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:43,191 INFO L87 Difference]: Start difference. First operand 7514 states and 10665 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:24:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:43,569 INFO L93 Difference]: Finished difference Result 15229 states and 21805 transitions. [2024-11-27 23:24:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:43,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-27 23:24:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:43,604 INFO L225 Difference]: With dead ends: 15229 [2024-11-27 23:24:43,604 INFO L226 Difference]: Without dead ends: 7718 [2024-11-27 23:24:43,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:43,626 INFO L435 NwaCegarLoop]: 1986 mSDtfsCounter, 39 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:43,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3970 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:24:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2024-11-27 23:24:43,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7520. [2024-11-27 23:24:43,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7520 states, 6131 states have (on average 1.4093948784863808) internal successors, (8641), 6229 states have internal predecessors, (8641), 998 states have call successors, (998), 392 states have call predecessors, (998), 390 states have return successors, (1032), 984 states have call predecessors, (1032), 992 states have call successors, (1032) [2024-11-27 23:24:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7520 states to 7520 states and 10671 transitions. [2024-11-27 23:24:43,994 INFO L78 Accepts]: Start accepts. Automaton has 7520 states and 10671 transitions. Word has length 77 [2024-11-27 23:24:43,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:43,995 INFO L471 AbstractCegarLoop]: Abstraction has 7520 states and 10671 transitions. [2024-11-27 23:24:43,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 23:24:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7520 states and 10671 transitions. [2024-11-27 23:24:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:24:44,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:44,008 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:44,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:24:44,008 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2104251442, now seen corresponding path program 1 times [2024-11-27 23:24:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:44,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644432774] [2024-11-27 23:24:44,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:24:48,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644432774] [2024-11-27 23:24:48,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644432774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:48,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:48,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:48,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40232615] [2024-11-27 23:24:48,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:48,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:48,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:48,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:48,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:48,704 INFO L87 Difference]: Start difference. First operand 7520 states and 10671 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:24:52,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:54,090 INFO L93 Difference]: Finished difference Result 20978 states and 29749 transitions. [2024-11-27 23:24:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-27 23:24:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:54,171 INFO L225 Difference]: With dead ends: 20978 [2024-11-27 23:24:54,171 INFO L226 Difference]: Without dead ends: 13461 [2024-11-27 23:24:54,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:54,200 INFO L435 NwaCegarLoop]: 3300 mSDtfsCounter, 1964 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:54,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 5265 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-27 23:24:54,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13461 states. [2024-11-27 23:24:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13461 to 13440. [2024-11-27 23:24:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13440 states, 10903 states have (on average 1.401357424562047) internal successors, (15279), 11081 states have internal predecessors, (15279), 1848 states have call successors, (1848), 690 states have call predecessors, (1848), 688 states have return successors, (1914), 1822 states have call predecessors, (1914), 1842 states have call successors, (1914) [2024-11-27 23:24:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13440 states to 13440 states and 19041 transitions. [2024-11-27 23:24:54,894 INFO L78 Accepts]: Start accepts. Automaton has 13440 states and 19041 transitions. Word has length 94 [2024-11-27 23:24:54,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:54,895 INFO L471 AbstractCegarLoop]: Abstraction has 13440 states and 19041 transitions. [2024-11-27 23:24:54,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:24:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 13440 states and 19041 transitions. [2024-11-27 23:24:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 23:24:54,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:54,907 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:24:54,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:24:54,907 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:54,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1389845747, now seen corresponding path program 1 times [2024-11-27 23:24:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:54,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47918162] [2024-11-27 23:24:54,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:24:59,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:59,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47918162] [2024-11-27 23:24:59,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47918162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:59,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:59,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286271672] [2024-11-27 23:24:59,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:59,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:59,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:59,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:59,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:59,633 INFO L87 Difference]: Start difference. First operand 13440 states and 19041 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-27 23:25:00,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:00,575 INFO L93 Difference]: Finished difference Result 27307 states and 38975 transitions. [2024-11-27 23:25:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:25:00,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 97 [2024-11-27 23:25:00,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:00,644 INFO L225 Difference]: With dead ends: 27307 [2024-11-27 23:25:00,644 INFO L226 Difference]: Without dead ends: 13870 [2024-11-27 23:25:00,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:25:00,688 INFO L435 NwaCegarLoop]: 1999 mSDtfsCounter, 50 mSDsluCounter, 5982 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 7981 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:00,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 7981 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:25:00,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2024-11-27 23:25:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13480. [2024-11-27 23:25:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13480 states, 10933 states have (on average 1.400256105369066) internal successors, (15309), 11111 states have internal predecessors, (15309), 1848 states have call successors, (1848), 690 states have call predecessors, (1848), 698 states have return successors, (1980), 1832 states have call predecessors, (1980), 1842 states have call successors, (1980) [2024-11-27 23:25:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13480 states to 13480 states and 19137 transitions. [2024-11-27 23:25:01,562 INFO L78 Accepts]: Start accepts. Automaton has 13480 states and 19137 transitions. Word has length 97 [2024-11-27 23:25:01,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:01,563 INFO L471 AbstractCegarLoop]: Abstraction has 13480 states and 19137 transitions. [2024-11-27 23:25:01,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-27 23:25:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 13480 states and 19137 transitions. [2024-11-27 23:25:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:25:01,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:01,573 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:25:01,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:25:01,574 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:01,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1697351439, now seen corresponding path program 1 times [2024-11-27 23:25:01,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:01,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230798002] [2024-11-27 23:25:01,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:01,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:25:07,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:07,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230798002] [2024-11-27 23:25:07,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230798002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:07,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:07,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:25:07,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723909222] [2024-11-27 23:25:07,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:07,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:25:07,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:07,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:25:07,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:07,267 INFO L87 Difference]: Start difference. First operand 13480 states and 19137 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:25:11,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:12,511 INFO L93 Difference]: Finished difference Result 13482 states and 19138 transitions. [2024-11-27 23:25:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:25:12,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2024-11-27 23:25:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:12,588 INFO L225 Difference]: With dead ends: 13482 [2024-11-27 23:25:12,588 INFO L226 Difference]: Without dead ends: 13479 [2024-11-27 23:25:12,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:12,600 INFO L435 NwaCegarLoop]: 2132 mSDtfsCounter, 781 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:12,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 3471 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-27 23:25:12,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13479 states. [2024-11-27 23:25:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13479 to 13479. [2024-11-27 23:25:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13479 states, 10933 states have (on average 1.399341443336687) internal successors, (15299), 11110 states have internal predecessors, (15299), 1847 states have call successors, (1847), 690 states have call predecessors, (1847), 698 states have return successors, (1980), 1832 states have call predecessors, (1980), 1842 states have call successors, (1980) [2024-11-27 23:25:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13479 states to 13479 states and 19126 transitions. [2024-11-27 23:25:13,276 INFO L78 Accepts]: Start accepts. Automaton has 13479 states and 19126 transitions. Word has length 99 [2024-11-27 23:25:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:13,276 INFO L471 AbstractCegarLoop]: Abstraction has 13479 states and 19126 transitions. [2024-11-27 23:25:13,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:25:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 13479 states and 19126 transitions. [2024-11-27 23:25:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 23:25:13,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:13,291 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:13,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:25:13,291 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:13,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:13,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1219274225, now seen corresponding path program 1 times [2024-11-27 23:25:13,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:13,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172489695] [2024-11-27 23:25:13,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:13,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:25:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172489695] [2024-11-27 23:25:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172489695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:18,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:18,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:25:18,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622633973] [2024-11-27 23:25:18,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:18,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:25:18,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:18,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:25:18,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:25:18,990 INFO L87 Difference]: Start difference. First operand 13479 states and 19126 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-27 23:25:23,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:27,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:33,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:36,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:36,854 INFO L93 Difference]: Finished difference Result 27202 states and 38688 transitions. [2024-11-27 23:25:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:25:36,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-11-27 23:25:36,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:36,931 INFO L225 Difference]: With dead ends: 27202 [2024-11-27 23:25:36,932 INFO L226 Difference]: Without dead ends: 13726 [2024-11-27 23:25:36,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:25:36,979 INFO L435 NwaCegarLoop]: 2017 mSDtfsCounter, 55 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:36,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 5742 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 296 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2024-11-27 23:25:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13726 states. [2024-11-27 23:25:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13726 to 13575. [2024-11-27 23:25:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13575 states, 11013 states have (on average 1.3986198129483338) internal successors, (15403), 11190 states have internal predecessors, (15403), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-27 23:25:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13575 states to 13575 states and 19270 transitions. [2024-11-27 23:25:37,655 INFO L78 Accepts]: Start accepts. Automaton has 13575 states and 19270 transitions. Word has length 126 [2024-11-27 23:25:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:37,655 INFO L471 AbstractCegarLoop]: Abstraction has 13575 states and 19270 transitions. [2024-11-27 23:25:37,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-27 23:25:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 13575 states and 19270 transitions. [2024-11-27 23:25:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 23:25:37,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:37,672 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:37,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:25:37,673 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:37,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:37,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1230325905, now seen corresponding path program 1 times [2024-11-27 23:25:37,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:37,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997455115] [2024-11-27 23:25:37,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:37,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:25:42,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:42,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997455115] [2024-11-27 23:25:42,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997455115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:42,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:42,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:25:42,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650427314] [2024-11-27 23:25:42,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:42,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:25:42,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:42,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:25:42,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:42,162 INFO L87 Difference]: Start difference. First operand 13575 states and 19270 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:25:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:42,828 INFO L93 Difference]: Finished difference Result 27187 states and 38665 transitions. [2024-11-27 23:25:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:25:42,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2024-11-27 23:25:42,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:42,890 INFO L225 Difference]: With dead ends: 27187 [2024-11-27 23:25:42,890 INFO L226 Difference]: Without dead ends: 13615 [2024-11-27 23:25:42,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:42,930 INFO L435 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:42,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3962 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:25:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13615 states. [2024-11-27 23:25:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13615 to 13583. [2024-11-27 23:25:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13583 states, 11021 states have (on average 1.3983304600308502) internal successors, (15411), 11198 states have internal predecessors, (15411), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-27 23:25:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13583 states to 13583 states and 19278 transitions. [2024-11-27 23:25:43,574 INFO L78 Accepts]: Start accepts. Automaton has 13583 states and 19278 transitions. Word has length 126 [2024-11-27 23:25:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:43,574 INFO L471 AbstractCegarLoop]: Abstraction has 13583 states and 19278 transitions. [2024-11-27 23:25:43,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-27 23:25:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 13583 states and 19278 transitions. [2024-11-27 23:25:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:25:43,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:43,588 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:43,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:25:43,588 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:43,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash -390389011, now seen corresponding path program 1 times [2024-11-27 23:25:43,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:43,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037485709] [2024-11-27 23:25:43,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:43,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:25:48,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:48,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037485709] [2024-11-27 23:25:48,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037485709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:48,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:48,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:25:48,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988235068] [2024-11-27 23:25:48,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:48,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:25:48,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:48,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:25:48,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:48,759 INFO L87 Difference]: Start difference. First operand 13583 states and 19278 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:25:49,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:49,266 INFO L93 Difference]: Finished difference Result 27203 states and 38689 transitions. [2024-11-27 23:25:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:25:49,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-27 23:25:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:49,323 INFO L225 Difference]: With dead ends: 27203 [2024-11-27 23:25:49,323 INFO L226 Difference]: Without dead ends: 13623 [2024-11-27 23:25:49,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:49,358 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 4 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3964 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:49,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3964 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:25:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13623 states. [2024-11-27 23:25:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13623 to 13591. [2024-11-27 23:25:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13591 states, 11029 states have (on average 1.3980415268836703) internal successors, (15419), 11206 states have internal predecessors, (15419), 1863 states have call successors, (1863), 690 states have call predecessors, (1863), 698 states have return successors, (2004), 1848 states have call predecessors, (2004), 1858 states have call successors, (2004) [2024-11-27 23:25:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13591 states to 13591 states and 19286 transitions. [2024-11-27 23:25:50,207 INFO L78 Accepts]: Start accepts. Automaton has 13591 states and 19286 transitions. Word has length 128 [2024-11-27 23:25:50,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:50,208 INFO L471 AbstractCegarLoop]: Abstraction has 13591 states and 19286 transitions. [2024-11-27 23:25:50,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:25:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 13591 states and 19286 transitions. [2024-11-27 23:25:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:25:50,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:50,219 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:50,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:25:50,219 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:50,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash 536573745, now seen corresponding path program 1 times [2024-11-27 23:25:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:25:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756773709] [2024-11-27 23:25:50,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:25:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:25:54,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:25:54,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756773709] [2024-11-27 23:25:54,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756773709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:54,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:54,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:25:54,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628288616] [2024-11-27 23:25:54,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:54,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:25:54,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:25:54,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:25:54,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:25:54,816 INFO L87 Difference]: Start difference. First operand 13591 states and 19286 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:25:58,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:59,968 INFO L93 Difference]: Finished difference Result 27181 states and 38598 transitions. [2024-11-27 23:25:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:25:59,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-27 23:25:59,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:00,033 INFO L225 Difference]: With dead ends: 27181 [2024-11-27 23:26:00,033 INFO L226 Difference]: Without dead ends: 13593 [2024-11-27 23:26:00,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:26:00,071 INFO L435 NwaCegarLoop]: 3745 mSDtfsCounter, 1948 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 5711 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:00,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 5711 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:26:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13593 states. [2024-11-27 23:26:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13593 to 13517. [2024-11-27 23:26:00,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13517 states, 10978 states have (on average 1.3984332300965567) internal successors, (15352), 11148 states have internal predecessors, (15352), 1843 states have call successors, (1843), 684 states have call predecessors, (1843), 695 states have return successors, (1942), 1838 states have call predecessors, (1942), 1836 states have call successors, (1942) [2024-11-27 23:26:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13517 states to 13517 states and 19137 transitions. [2024-11-27 23:26:00,536 INFO L78 Accepts]: Start accepts. Automaton has 13517 states and 19137 transitions. Word has length 128 [2024-11-27 23:26:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:00,536 INFO L471 AbstractCegarLoop]: Abstraction has 13517 states and 19137 transitions. [2024-11-27 23:26:00,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:26:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 13517 states and 19137 transitions. [2024-11-27 23:26:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:26:00,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:00,544 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:00,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:26:00,544 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:00,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:00,544 INFO L85 PathProgramCache]: Analyzing trace with hash 281837200, now seen corresponding path program 1 times [2024-11-27 23:26:00,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:00,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71191410] [2024-11-27 23:26:00,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:00,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:26:05,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:05,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71191410] [2024-11-27 23:26:05,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71191410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:05,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:26:05,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:26:05,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817772570] [2024-11-27 23:26:05,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:05,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:26:05,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:05,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:26:05,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:26:05,157 INFO L87 Difference]: Start difference. First operand 13517 states and 19137 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:26:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:05,809 INFO L93 Difference]: Finished difference Result 27087 states and 38387 transitions. [2024-11-27 23:26:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:26:05,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-27 23:26:05,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:05,894 INFO L225 Difference]: With dead ends: 27087 [2024-11-27 23:26:05,894 INFO L226 Difference]: Without dead ends: 13573 [2024-11-27 23:26:05,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:26:05,937 INFO L435 NwaCegarLoop]: 1975 mSDtfsCounter, 2 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3941 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:05,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3941 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:26:05,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13573 states. [2024-11-27 23:26:06,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13573 to 13573. [2024-11-27 23:26:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13573 states, 11034 states have (on average 1.3956860612651802) internal successors, (15400), 11204 states have internal predecessors, (15400), 1843 states have call successors, (1843), 684 states have call predecessors, (1843), 695 states have return successors, (1942), 1838 states have call predecessors, (1942), 1836 states have call successors, (1942) [2024-11-27 23:26:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13573 states to 13573 states and 19185 transitions. [2024-11-27 23:26:06,693 INFO L78 Accepts]: Start accepts. Automaton has 13573 states and 19185 transitions. Word has length 128 [2024-11-27 23:26:06,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:06,693 INFO L471 AbstractCegarLoop]: Abstraction has 13573 states and 19185 transitions. [2024-11-27 23:26:06,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:26:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13573 states and 19185 transitions. [2024-11-27 23:26:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:26:06,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:06,705 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:06,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:26:06,706 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:06,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash 442351000, now seen corresponding path program 1 times [2024-11-27 23:26:06,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:06,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963574456] [2024-11-27 23:26:06,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:26:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963574456] [2024-11-27 23:26:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963574456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:26:12,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:26:12,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834979449] [2024-11-27 23:26:12,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:12,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:26:12,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:12,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:26:12,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:26:12,721 INFO L87 Difference]: Start difference. First operand 13573 states and 19185 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:26:13,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:13,379 INFO L93 Difference]: Finished difference Result 14462 states and 20341 transitions. [2024-11-27 23:26:13,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:26:13,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 128 [2024-11-27 23:26:13,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:13,433 INFO L225 Difference]: With dead ends: 14462 [2024-11-27 23:26:13,433 INFO L226 Difference]: Without dead ends: 13287 [2024-11-27 23:26:13,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:26:13,443 INFO L435 NwaCegarLoop]: 1987 mSDtfsCounter, 0 mSDsluCounter, 7933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9920 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:13,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9920 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:26:13,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13287 states. [2024-11-27 23:26:13,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13287 to 13275. [2024-11-27 23:26:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 10809 states have (on average 1.397261541308169) internal successors, (15103), 10966 states have internal predecessors, (15103), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 691 states have return successors, (1870), 1778 states have call predecessors, (1870), 1768 states have call successors, (1870) [2024-11-27 23:26:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18747 transitions. [2024-11-27 23:26:13,858 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18747 transitions. Word has length 128 [2024-11-27 23:26:13,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:13,859 INFO L471 AbstractCegarLoop]: Abstraction has 13275 states and 18747 transitions. [2024-11-27 23:26:13,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 23:26:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18747 transitions. [2024-11-27 23:26:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:26:13,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:13,866 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:13,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:26:13,867 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:13,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1864413241, now seen corresponding path program 1 times [2024-11-27 23:26:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:13,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280586088] [2024-11-27 23:26:13,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:13,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:26:17,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280586088] [2024-11-27 23:26:17,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280586088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:17,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416618286] [2024-11-27 23:26:17,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:17,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:17,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:17,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:18,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:26:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:24,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:26:24,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 23:26:25,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:26:25,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416618286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:25,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:26:25,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-27 23:26:25,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238450737] [2024-11-27 23:26:25,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:25,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:26:25,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:25,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:26:25,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:26:25,111 INFO L87 Difference]: Start difference. First operand 13275 states and 18747 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-27 23:26:29,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:26:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:30,226 INFO L93 Difference]: Finished difference Result 26578 states and 37527 transitions. [2024-11-27 23:26:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:26:30,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-11-27 23:26:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:30,286 INFO L225 Difference]: With dead ends: 26578 [2024-11-27 23:26:30,286 INFO L226 Difference]: Without dead ends: 13294 [2024-11-27 23:26:30,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:26:30,329 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 7 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5941 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:30,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5941 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:26:30,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2024-11-27 23:26:30,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 13277. [2024-11-27 23:26:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13277 states, 10811 states have (on average 1.3966330589214688) internal successors, (15099), 10968 states have internal predecessors, (15099), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 691 states have return successors, (1870), 1778 states have call predecessors, (1870), 1768 states have call successors, (1870) [2024-11-27 23:26:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13277 states to 13277 states and 18743 transitions. [2024-11-27 23:26:30,921 INFO L78 Accepts]: Start accepts. Automaton has 13277 states and 18743 transitions. Word has length 136 [2024-11-27 23:26:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:30,921 INFO L471 AbstractCegarLoop]: Abstraction has 13277 states and 18743 transitions. [2024-11-27 23:26:30,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-27 23:26:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 13277 states and 18743 transitions. [2024-11-27 23:26:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-27 23:26:30,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:30,934 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:30,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:26:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:31,135 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2093948558, now seen corresponding path program 1 times [2024-11-27 23:26:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060360389] [2024-11-27 23:26:31,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 23:26:35,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:35,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060360389] [2024-11-27 23:26:35,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060360389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:35,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514860846] [2024-11-27 23:26:35,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:35,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:35,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:35,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:26:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:41,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 3707 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:26:41,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:26:42,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:26:42,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514860846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:42,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:26:42,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-27 23:26:42,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076644003] [2024-11-27 23:26:42,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:42,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:26:42,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:42,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:26:42,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:26:42,160 INFO L87 Difference]: Start difference. First operand 13277 states and 18743 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:26:46,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:26:47,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:47,656 INFO L93 Difference]: Finished difference Result 32463 states and 45803 transitions. [2024-11-27 23:26:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:26:47,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-11-27 23:26:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:47,750 INFO L225 Difference]: With dead ends: 32463 [2024-11-27 23:26:47,750 INFO L226 Difference]: Without dead ends: 19189 [2024-11-27 23:26:47,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:26:47,786 INFO L435 NwaCegarLoop]: 3949 mSDtfsCounter, 1969 mSDsluCounter, 9871 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 13820 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:47,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 13820 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 23:26:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19189 states. [2024-11-27 23:26:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19189 to 13297. [2024-11-27 23:26:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13297 states, 10825 states have (on average 1.396120092378753) internal successors, (15113), 10984 states have internal predecessors, (15113), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 697 states have return successors, (1880), 1782 states have call predecessors, (1880), 1768 states have call successors, (1880) [2024-11-27 23:26:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13297 states to 13297 states and 18767 transitions. [2024-11-27 23:26:48,347 INFO L78 Accepts]: Start accepts. Automaton has 13297 states and 18767 transitions. Word has length 139 [2024-11-27 23:26:48,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:48,347 INFO L471 AbstractCegarLoop]: Abstraction has 13297 states and 18767 transitions. [2024-11-27 23:26:48,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:26:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 13297 states and 18767 transitions. [2024-11-27 23:26:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-27 23:26:48,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:48,359 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:48,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:26:48,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:48,559 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:48,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash 437677337, now seen corresponding path program 1 times [2024-11-27 23:26:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:48,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317709996] [2024-11-27 23:26:48,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 23:26:52,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:52,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317709996] [2024-11-27 23:26:52,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317709996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:52,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:26:52,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:26:52,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325319909] [2024-11-27 23:26:52,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:52,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:26:52,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:52,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:26:52,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:26:52,872 INFO L87 Difference]: Start difference. First operand 13297 states and 18767 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-27 23:26:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:53,620 INFO L93 Difference]: Finished difference Result 26647 states and 37695 transitions. [2024-11-27 23:26:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:26:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 186 [2024-11-27 23:26:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:53,669 INFO L225 Difference]: With dead ends: 26647 [2024-11-27 23:26:53,669 INFO L226 Difference]: Without dead ends: 13353 [2024-11-27 23:26:53,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:26:53,695 INFO L435 NwaCegarLoop]: 1980 mSDtfsCounter, 6 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:53,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5934 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:26:53,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13353 states. [2024-11-27 23:26:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13353 to 13313. [2024-11-27 23:26:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13313 states, 10841 states have (on average 1.3955354672078222) internal successors, (15129), 11000 states have internal predecessors, (15129), 1774 states have call successors, (1774), 680 states have call predecessors, (1774), 697 states have return successors, (1880), 1782 states have call predecessors, (1880), 1768 states have call successors, (1880) [2024-11-27 23:26:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13313 states to 13313 states and 18783 transitions. [2024-11-27 23:26:54,104 INFO L78 Accepts]: Start accepts. Automaton has 13313 states and 18783 transitions. Word has length 186 [2024-11-27 23:26:54,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:54,104 INFO L471 AbstractCegarLoop]: Abstraction has 13313 states and 18783 transitions. [2024-11-27 23:26:54,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-27 23:26:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 13313 states and 18783 transitions. [2024-11-27 23:26:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-27 23:26:54,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:54,112 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:54,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:26:54,112 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:54,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash 686858462, now seen corresponding path program 1 times [2024-11-27 23:26:54,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:54,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51229025] [2024-11-27 23:26:54,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 23:26:58,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:58,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51229025] [2024-11-27 23:26:58,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51229025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:58,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553164190] [2024-11-27 23:26:58,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:26:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:26:58,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:26:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:27:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:04,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 4167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:27:04,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 23:27:05,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:05,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553164190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:05,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:05,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-27 23:27:05,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157604147] [2024-11-27 23:27:05,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:05,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:27:05,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:05,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:27:05,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:27:05,579 INFO L87 Difference]: Start difference. First operand 13313 states and 18783 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-27 23:27:09,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:27:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:12,253 INFO L93 Difference]: Finished difference Result 32603 states and 46105 transitions. [2024-11-27 23:27:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:27:12,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 189 [2024-11-27 23:27:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:12,321 INFO L225 Difference]: With dead ends: 32603 [2024-11-27 23:27:12,321 INFO L226 Difference]: Without dead ends: 19293 [2024-11-27 23:27:12,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:27:12,349 INFO L435 NwaCegarLoop]: 3942 mSDtfsCounter, 1973 mSDsluCounter, 17717 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 21659 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:12,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 21659 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-27 23:27:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-11-27 23:27:12,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 13341. [2024-11-27 23:27:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13341 states, 10863 states have (on average 1.394734419589432) internal successors, (15151), 11022 states have internal predecessors, (15151), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-27 23:27:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13341 states to 13341 states and 18817 transitions. [2024-11-27 23:27:13,007 INFO L78 Accepts]: Start accepts. Automaton has 13341 states and 18817 transitions. Word has length 189 [2024-11-27 23:27:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:13,008 INFO L471 AbstractCegarLoop]: Abstraction has 13341 states and 18817 transitions. [2024-11-27 23:27:13,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-27 23:27:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 13341 states and 18817 transitions. [2024-11-27 23:27:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 23:27:13,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:13,018 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:13,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:27:13,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:13,218 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:13,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash 204124330, now seen corresponding path program 1 times [2024-11-27 23:27:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649400339] [2024-11-27 23:27:13,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-27 23:27:17,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:17,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649400339] [2024-11-27 23:27:17,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649400339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:17,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004553293] [2024-11-27 23:27:17,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:17,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:17,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:27:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:24,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:27:24,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 23:27:25,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:25,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004553293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:25,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:25,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-27 23:27:25,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853292193] [2024-11-27 23:27:25,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:25,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:27:25,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:25,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:27:25,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:27:25,663 INFO L87 Difference]: Start difference. First operand 13341 states and 18817 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 23:27:29,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:27:32,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:32,879 INFO L93 Difference]: Finished difference Result 32699 states and 46217 transitions. [2024-11-27 23:27:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:27:32,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 199 [2024-11-27 23:27:32,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:32,961 INFO L225 Difference]: With dead ends: 32699 [2024-11-27 23:27:32,962 INFO L226 Difference]: Without dead ends: 19361 [2024-11-27 23:27:32,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:27:32,994 INFO L435 NwaCegarLoop]: 3940 mSDtfsCounter, 1975 mSDsluCounter, 21640 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 25580 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:32,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 25580 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-27 23:27:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19361 states. [2024-11-27 23:27:33,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19361 to 13357. [2024-11-27 23:27:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13357 states, 10879 states have (on average 1.3941538744369888) internal successors, (15167), 11030 states have internal predecessors, (15167), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-27 23:27:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 18833 transitions. [2024-11-27 23:27:33,508 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 18833 transitions. Word has length 199 [2024-11-27 23:27:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:33,508 INFO L471 AbstractCegarLoop]: Abstraction has 13357 states and 18833 transitions. [2024-11-27 23:27:33,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 23:27:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 18833 transitions. [2024-11-27 23:27:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 23:27:33,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:33,520 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:33,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:27:33,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:33,721 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:33,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:33,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1374074787, now seen corresponding path program 1 times [2024-11-27 23:27:33,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:33,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453391604] [2024-11-27 23:27:33,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:33,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-27 23:27:37,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:37,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453391604] [2024-11-27 23:27:37,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453391604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:37,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:37,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:37,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365605602] [2024-11-27 23:27:37,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:37,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:37,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:37,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:37,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:37,574 INFO L87 Difference]: Start difference. First operand 13357 states and 18833 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:27:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:38,258 INFO L93 Difference]: Finished difference Result 26727 states and 37743 transitions. [2024-11-27 23:27:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:27:38,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 201 [2024-11-27 23:27:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:38,324 INFO L225 Difference]: With dead ends: 26727 [2024-11-27 23:27:38,324 INFO L226 Difference]: Without dead ends: 13373 [2024-11-27 23:27:38,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:38,357 INFO L435 NwaCegarLoop]: 1983 mSDtfsCounter, 0 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:38,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5934 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:27:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13373 states. [2024-11-27 23:27:39,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13373 to 13373. [2024-11-27 23:27:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13373 states, 10895 states have (on average 1.3935750344194584) internal successors, (15183), 11046 states have internal predecessors, (15183), 1780 states have call successors, (1780), 680 states have call predecessors, (1780), 697 states have return successors, (1886), 1788 states have call predecessors, (1886), 1774 states have call successors, (1886) [2024-11-27 23:27:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13373 states to 13373 states and 18849 transitions. [2024-11-27 23:27:39,183 INFO L78 Accepts]: Start accepts. Automaton has 13373 states and 18849 transitions. Word has length 201 [2024-11-27 23:27:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:39,184 INFO L471 AbstractCegarLoop]: Abstraction has 13373 states and 18849 transitions. [2024-11-27 23:27:39,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:27:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 13373 states and 18849 transitions. [2024-11-27 23:27:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-27 23:27:39,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:39,195 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:39,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 23:27:39,197 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:39,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:39,198 INFO L85 PathProgramCache]: Analyzing trace with hash 786817203, now seen corresponding path program 1 times [2024-11-27 23:27:39,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:39,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733567819] [2024-11-27 23:27:39,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-27 23:27:43,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:43,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733567819] [2024-11-27 23:27:43,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733567819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:43,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987133227] [2024-11-27 23:27:43,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:43,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:43,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:43,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:43,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:27:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:50,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 4331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:27:50,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 23:27:51,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:27:51,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987133227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:51,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:27:51,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2024-11-27 23:27:51,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006489793] [2024-11-27 23:27:51,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:51,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:51,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:51,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:51,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:51,377 INFO L87 Difference]: Start difference. First operand 13373 states and 18849 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:27:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:52,082 INFO L93 Difference]: Finished difference Result 14083 states and 19782 transitions. [2024-11-27 23:27:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:52,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 208 [2024-11-27 23:27:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:52,146 INFO L225 Difference]: With dead ends: 14083 [2024-11-27 23:27:52,146 INFO L226 Difference]: Without dead ends: 13188 [2024-11-27 23:27:52,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:52,155 INFO L435 NwaCegarLoop]: 1985 mSDtfsCounter, 0 mSDsluCounter, 7925 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9910 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:52,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9910 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:27:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13188 states. [2024-11-27 23:27:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13188 to 13188. [2024-11-27 23:27:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13188 states, 10772 states have (on average 1.3950984032677312) internal successors, (15028), 10915 states have internal predecessors, (15028), 1734 states have call successors, (1734), 663 states have call predecessors, (1734), 681 states have return successors, (1838), 1747 states have call predecessors, (1838), 1730 states have call successors, (1838) [2024-11-27 23:27:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13188 states to 13188 states and 18600 transitions. [2024-11-27 23:27:52,632 INFO L78 Accepts]: Start accepts. Automaton has 13188 states and 18600 transitions. Word has length 208 [2024-11-27 23:27:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:52,633 INFO L471 AbstractCegarLoop]: Abstraction has 13188 states and 18600 transitions. [2024-11-27 23:27:52,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-27 23:27:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 13188 states and 18600 transitions. [2024-11-27 23:27:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-27 23:27:52,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:52,655 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:52,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:27:52,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f09da619-e834-4e0a-9133-3b3c5ab9355f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:52,856 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:27:52,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash -615298236, now seen corresponding path program 1 times [2024-11-27 23:27:52,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:52,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365593990] [2024-11-27 23:27:52,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:52,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-27 23:27:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:57,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365593990] [2024-11-27 23:27:57,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365593990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:57,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:57,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:27:57,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090940632] [2024-11-27 23:27:57,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:57,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:27:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:57,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:27:57,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:27:57,662 INFO L87 Difference]: Start difference. First operand 13188 states and 18600 transitions. Second operand has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:28:01,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:28:05,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:05,004 INFO L93 Difference]: Finished difference Result 32242 states and 45586 transitions. [2024-11-27 23:28:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:28:05,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 257 [2024-11-27 23:28:05,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:05,095 INFO L225 Difference]: With dead ends: 32242 [2024-11-27 23:28:05,096 INFO L226 Difference]: Without dead ends: 19057 [2024-11-27 23:28:05,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:28:05,137 INFO L435 NwaCegarLoop]: 3918 mSDtfsCounter, 1962 mSDsluCounter, 21517 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 25435 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:05,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 25435 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-27 23:28:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2024-11-27 23:28:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 13172. [2024-11-27 23:28:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13172 states, 10756 states have (on average 1.3949423577538118) internal successors, (15004), 10905 states have internal predecessors, (15004), 1732 states have call successors, (1732), 663 states have call predecessors, (1732), 683 states have return successors, (1844), 1745 states have call predecessors, (1844), 1728 states have call successors, (1844) [2024-11-27 23:28:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18580 transitions. [2024-11-27 23:28:05,659 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18580 transitions. Word has length 257 [2024-11-27 23:28:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:05,659 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18580 transitions. [2024-11-27 23:28:05,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:28:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18580 transitions. [2024-11-27 23:28:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-27 23:28:05,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:05,677 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:05,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 23:28:05,678 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:05,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:05,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1259776263, now seen corresponding path program 1 times [2024-11-27 23:28:05,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:05,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020575659] [2024-11-27 23:28:05,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:05,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-27 23:28:10,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:10,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020575659] [2024-11-27 23:28:10,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020575659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:10,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:10,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:28:10,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238127949] [2024-11-27 23:28:10,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:10,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:10,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:10,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:10,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:10,786 INFO L87 Difference]: Start difference. First operand 13172 states and 18580 transitions. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 23:28:11,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:11,437 INFO L93 Difference]: Finished difference Result 19441 states and 27458 transitions. [2024-11-27 23:28:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:11,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 334 [2024-11-27 23:28:11,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:11,499 INFO L225 Difference]: With dead ends: 19441 [2024-11-27 23:28:11,499 INFO L226 Difference]: Without dead ends: 13172 [2024-11-27 23:28:11,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:11,518 INFO L435 NwaCegarLoop]: 1979 mSDtfsCounter, 0 mSDsluCounter, 7909 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9888 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:11,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9888 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:28:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2024-11-27 23:28:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 13172. [2024-11-27 23:28:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13172 states, 10756 states have (on average 1.3945704722945333) internal successors, (15000), 10905 states have internal predecessors, (15000), 1732 states have call successors, (1732), 663 states have call predecessors, (1732), 683 states have return successors, (1844), 1745 states have call predecessors, (1844), 1728 states have call successors, (1844) [2024-11-27 23:28:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13172 states to 13172 states and 18576 transitions. [2024-11-27 23:28:12,027 INFO L78 Accepts]: Start accepts. Automaton has 13172 states and 18576 transitions. Word has length 334 [2024-11-27 23:28:12,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:12,027 INFO L471 AbstractCegarLoop]: Abstraction has 13172 states and 18576 transitions. [2024-11-27 23:28:12,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 5 states have internal predecessors, (215), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 23:28:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 13172 states and 18576 transitions. [2024-11-27 23:28:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-27 23:28:12,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:12,048 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:12,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 23:28:12,048 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:12,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -678055311, now seen corresponding path program 1 times [2024-11-27 23:28:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:12,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682573354] [2024-11-27 23:28:12,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:12,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-27 23:28:16,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:16,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682573354] [2024-11-27 23:28:16,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682573354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:16,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:16,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:28:16,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974257325] [2024-11-27 23:28:16,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:16,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:16,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:16,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:16,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:16,490 INFO L87 Difference]: Start difference. First operand 13172 states and 18576 transitions. Second operand has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 23:28:17,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:17,196 INFO L93 Difference]: Finished difference Result 13892 states and 19516 transitions. [2024-11-27 23:28:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:17,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 335 [2024-11-27 23:28:17,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:17,226 INFO L225 Difference]: With dead ends: 13892 [2024-11-27 23:28:17,226 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:28:17,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:17,252 INFO L435 NwaCegarLoop]: 1964 mSDtfsCounter, 0 mSDsluCounter, 7849 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9813 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:17,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9813 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:28:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:28:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:28:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:28:17,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2024-11-27 23:28:17,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:17,278 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:28:17,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-27 23:28:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:28:17,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:28:17,282 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:28:17,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:28:17,286 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:17,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:28:38,624 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 122 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:29:00,292 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 170 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:29:58,924 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification. DAG size of input: 145 DAG size of output: 22 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:30:18,195 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 170 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:30:46,131 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 122 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:31:12,376 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 183 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:32:28,398 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 122 DAG size of output: 19 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:32:52,321 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:33:09,513 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 124 DAG size of output: 20 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:34:03,936 WARN L286 SmtUtils]: Spent 8.93s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:34:59,332 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:35:13,745 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 174 DAG size of output: 21 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:35:30,523 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 145 DAG size of output: 22 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:36:03,679 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 145 DAG size of output: 22 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)